Bricked A2017U - ZTE Axon 7 Questions & Answers

I'm not sure exactly what I did wrong, but in the process of trying to root my B15 A2017U, it ended up in a state of, I'm guessing, permanent EDL mode. The phone gives absolutely no response to any buttons or attempts to boot it (no vibration, no lights, just a black screen, whether I try to boot normally, boot to recovery, or boot to EDL), it does show up in device manager as Qualcomm HS-USB QDLoader 9008 (COM10), but adb won't recognise it, and it shows up in MiFlash but any attempt to flash anything results in "cannot receive hello packet", "try to reset status" and eventually "error:The write timed out."
I've been reading through a lot of threads here, but at this point I'm pretty much out of ideas, and I'd really like to have a phone for work in 6 hours. Can anyone help, please?
Not sure how useful it will be, but here's everything I can remember about what I've done just so there's something to go on. First, I tried a few days ago as detailed in this post, and put it aside after that post. Aside from not being able to get to recovery at that point, the phone was working perfectly. Today, seeing the new Axon7Toolkit, I decided to give it a try. I managed to unlock the bootloader and get into TWRP recovery (during the process, it asked me for a decryption password and I hit cancel). I've done a lot of reading and searching since then so I can't recall the exact steps I took after that, but I wiped the device (I didn't change the filesystem or anything) and got errors, and then after seeing the "your device can't be checked for corruption" message I searched and found that I need to mount system, so I did so (not in read-only), and wiped again, this time with no error messages. I can't remember if I did anything else in TWRP aside from looking through the options available. After that, I think what I did was "Flash TWRP and/or root" again in Axon7Toolkit, and I think something went wrong at that point. That's pretty much all I know.

Aspoehro said:
I'm not sure exactly what I did wrong, but in the process of trying to root my B15 A2017U, it ended up in a state of, I'm guessing, permanent EDL mode. The phone gives absolutely no response to any buttons or attempts to boot it (no vibration, no lights, just a black screen, whether I try to boot normally, boot to recovery, or boot to EDL), it does show up in device manager as Qualcomm HS-USB QDLoader 9008 (COM10), but adb won't recognise it, and it shows up in MiFlash but any attempt to flash anything results in "cannot receive hello packet", "try to reset status" and eventually "error:The write timed out."
I've been reading through a lot of threads here, but at this point I'm pretty much out of ideas, and I'd really like to have a phone for work in 6 hours. Can anyone help, please?
Not sure how useful it will be, but here's everything I can remember about what I've done just so there's something to go on. First, I tried a few days ago as detailed in this post, and put it aside after that post. Aside from not being able to get to recovery at that point, the phone was working perfectly. Today, seeing the new Axon7Toolkit, I decided to give it a try. I managed to unlock the bootloader and get into TWRP recovery (during the process, it asked me for a decryption password and I hit cancel). I've done a lot of reading and searching since then so I can't recall the exact steps I took after that, but I wiped the device (I didn't change the filesystem or anything) and got errors, and then after seeing the "your device can't be checked for corruption" message I searched and found that I need to mount system, so I did so (not in read-only), and wiped again, this time with no error messages. I can't remember if I did anything else in TWRP aside from looking through the options available. After that, I think what I did was "Flash TWRP and/or root" again in Axon7Toolkit, and I think something went wrong at that point. That's pretty much all I know.
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Click to collapse
I think you got the "cannot receive hello packet", because your bootloader is locked. Using this method https://forum.xda-developers.com/axon-7/development/axon7tool-flash-backup-boot-recovery-t3514254 to unlock it, then flash twrp, then firmware

The bootloader was unlocked (though it may have been unintentionally re-locked somehow?), and MiFlash works with a locked bootloader, so I don't think that's the issue. Axon7tool also doesn't help, because just like adb it can't find the device.
Now, trying again today, MiFlash is working for some reason. I haven't done anything differently, but I can flash whatever I want with MiFlash now. But it doesn't really make a difference, because the phone is still entirely unresponsive, I can't enter recovery or boot in any way. Any suggestions for what else to try?

Aspoehro said:
I'm not sure exactly what I did wrong, but in the process of trying to root my B15 A2017U, it ended up in a state of, I'm guessing, permanent EDL mode. The phone gives absolutely no response to any buttons or attempts to boot it (no vibration, no lights, just a black screen, whether I try to boot normally, boot to recovery, or boot to EDL), it does show up in device manager as Qualcomm HS-USB QDLoader 9008 (COM10), but adb won't recognise it, and it shows up in MiFlash but any attempt to flash anything results in "cannot receive hello packet", "try to reset status" and eventually "error:The write timed out."
I've been reading through a lot of threads here, but at this point I'm pretty much out of ideas, and I'd really like to have a phone for work in 6 hours. Can anyone help, please?
Not sure how useful it will be, but here's everything I can remember about what I've done just so there's something to go on. First, I tried a few days ago as detailed in this post, and put it aside after that post. Aside from not being able to get to recovery at that point, the phone was working perfectly. Today, seeing the new Axon7Toolkit, I decided to give it a try. I managed to unlock the bootloader and get into TWRP recovery (during the process, it asked me for a decryption password and I hit cancel). I've done a lot of reading and searching since then so I can't recall the exact steps I took after that, but I wiped the device (I didn't change the filesystem or anything) and got errors, and then after seeing the "your device can't be checked for corruption" message I searched and found that I need to mount system, so I did so (not in read-only), and wiped again, this time with no error messages. I can't remember if I did anything else in TWRP aside from looking through the options available. After that, I think what I did was "Flash TWRP and/or root" again in Axon7Toolkit, and I think something went wrong at that point. That's pretty much all I know.
Click to expand...
Click to collapse
Hi, I'm the dev for the toolkit and I think I know what the problem is. Can you go into C:\Axon7Development\Axon7Toolkit\twrp and see what the size of the image is? It may have been a bad download. Either that or there is issues with the latest version of SupersSU if you chose the root option.

bkores said:
Hi, I'm the dev for the toolkit and I think I know what the problem is. Can you go into C:\Axon7Development\Axon7Toolkit\twrp and see what the size of the image is? It may have been a bad download. Either that or there is issues with the latest version of SupersSU if you chose the root option.
Click to expand...
Click to collapse
twrp-3.1.0-0-ailsa_ii.img is 14.1 MB

Aspoehro said:
twrp-3.1.0-0-ailsa_ii.img is 14.1 MB
Click to expand...
Click to collapse
Ok so TWRP is definitely not the problem. Can you remember exactly when the problem happened, like after SuperSU was flashed since you mentioned using the Flash TWRP and root option?

I don't remember any specific details, but I'm fairly certain I didn't get to the point of flashing SuperSU. I think the most likely cause is me doing something wrong in TWRP (I was trying to follow vague guides mixed with scattered information throughout various threads), and when I did "Flash TWRP and/or root" after flashing TWRP, I think I got some error messages right away.
One problem I do remember is that the toolkit would sometimes say something like "device not found", but still try to continue whatever it was doing and move on to the next step as if there were no problems. Unfortunately I don't remember exactly when it did that, so I can't give any details on how you could reproduce it.

Hey, I had exactly the same problem. Are you saying miflash is now working (you get success at the end!) ? If so, I don't understand why it wouldn't boot afterwards.
If not, in my case, a computer reboot, switching to MiFlash Beta and switching com ports eventually allowed me to flash successfully B15 full package after 3 hours of cannot receive hello packet. You could always try full B13 (Chinese rom) or other similar packages to see if it makes a difference. You'll be able to revert afterwards.

Aspoehro said:
I don't remember any specific details, but I'm fairly certain I didn't get to the point of flashing SuperSU. I think the most likely cause is me doing something wrong in TWRP (I was trying to follow vague guides mixed with scattered information throughout various threads), and when I did "Flash TWRP and/or root" after flashing TWRP, I think I got some error messages right away.
One problem I do remember is that the toolkit would sometimes say something like "device not found", but still try to continue whatever it was doing and move on to the next step as if there were no problems. Unfortunately I don't remember exactly when it did that, so I can't give any details on how you could reproduce it.
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Click to collapse
So you're sure that your problem is not because of my toolkit? Regardless looks like now I have to fix the ADB check

Gnreux said:
Hey, I had exactly the same problem. Are you saying miflash is now working (you get success at the end!) ? If so, I don't understand why it wouldn't boot afterwards.
If not, in my case, a computer reboot, switching to MiFlash Beta and switching com ports eventually allowed me to flash successfully B15 full package after 3 hours of cannot receive hello packet. You could always try full B13 (Chinese rom) or other similar packages to see if it makes a difference. You'll be able to revert afterwards.
Click to expand...
Click to collapse
MiFlash does seem to be working, I don't get any errors and it says it flashed successfully. I tried flashing B15 full and fastboot unlock from here, neither allowed the phone to boot.
Any suggestions for specific files to try flashing?
bkores said:
So you're sure that your problem is not because of my toolkit? Regardless looks like now I have to fix the ADB check
Click to expand...
Click to collapse
I can't be sure since I don't know exactly what the problem is or how I caused it. All I really have are guesses at this point.

Aspoehro said:
MiFlash does seem to be working, I don't get any errors and it says it flashed successfully. I tried flashing B15 full and fastboot unlock from here, neither allowed the phone to boot.
Any suggestions for specific files to try flashing?
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Click to collapse
I rebricked myself last night (lol), so I had to reflash full package, from the same link you posted, and here are some notes:
It seemed on first boot that it didn't work: usual three blinks of LED followed by a black screen
Second boot worked (and I now remember that the same thing had happened the first time I bricked my device), but Android asked me for a password even though I had formatted /data
From there, install TWRP via fastboot (and fastboot_unlock prior to that if bootloader is locked, it shouldn't be), format /data using TWRP, reboot, and you should have a working device
Hope it helps!

Gnreux said:
It seemed on first boot that it didn't work: usual three blinks of LED followed by a black screen
Click to expand...
Click to collapse
I don't even get that much, nothing I do gets any response from the phone at all. No LED when trying to boot (including EDL or recovery), no LED when charging, the only indication that the phone isn't perfectly dead is that it shows up in device manager and MiFlash.

You could try not flashing fastboot_unlock right away and booting first instead... This is the only thing we are doing differently, although I don't see how it could have an impact.
You could also try flashing this EDL package (B13) instead and flash your device specific bootstack afterwards.

Still no luck with anything I try to flash in MiFlash. But I tried reinstalling drivers with Zadig, and axon7tool is working this time. Trying to read gpt works fine, but if I try to read/write boot or recovery, I get "W: bad lba in partition entry 26" and "Cannot find partition boot"/"Cannot find partition recovery". I tried writing TWRP and a couple stock boot/recovery images despite the error, still no change.
Do those error messages give any new information that might be helpful?

Try miflash firmware from offical:
https://www.zteusa.com/axon-7#support

Not sure if this will help you but that miflash utility is a piece of ******** to work with I found.
When extracting the zip files there will usually be 2 folders in them, one is meta-something and the other one has the full name of the zip file, you have to select the full name one beside the meta folder not the parent folder.
Also Sometimes you need to hold all the buttons again and "restart" edl mode before the "hello packet" issues go away.

lipe123 said:
Not sure if this will help you but that miflash utility is a piece of ******** to work with I found.
When extracting the zip files there will usually be 2 folders in them, one is meta-something and the other one has the full name of the zip file, you have to select the full name one beside the meta folder not the parent folder.
Also Sometimes you need to hold all the buttons again and "restart" edl mode before the "hello packet" issues go away.
Click to expand...
Click to collapse
Thank you. This helped me. Why the *$*# can't the program just pick the zip file, or tell you which folder to pick? Until I found your post, I had no idea which folder to pick.
Thanks!!!
:victory:

Flapjack said:
Thank you. This helped me. Why the *$*# can't the program just pick the zip file, or tell you which folder to pick? Until I found your post, I had no idea which folder to pick.
Thanks!!!
:victory:
Click to expand...
Click to collapse
Glad it helped someone!

Related

I really F-d it up

To start, I'm using the Verizon VS980.
While trying to get a custom recovery working on the latest OTA version, VS98026A, everything I tried seemed to fail. I used twrp manager to install the latest twrp into my recovery, but at the step where it reboots into recovery I got sent to fastboot instead. No problem, just try again right? Same problem. I did a little digging and it seems the 26A update locked down the bootloader tight, can't even get loki working, but flashing the 12B aboot was supposed to be a workaround. So I flash the 12B aboot through fastboot. Oops. I must have missed a step SOMEWHERE, even though I'm fairly experienced and careful, because now it won't boot.
At this point I'm thinking I'll just bite the bullet and restore it. Nope. Recovery mode is dead now, as is fastboot. I try to connect download mode, and it appears to work (download mode shows on the phone) but the computer doesn't recognize the phone even exists.
I'm a week away from my next paycheck to find a phone to pull the guts out of, and I have a full TWRP backup of all partitions, including EFS. What are my options, if any? Help... please?
(I also read - too late - that freegee is supposed to automatically downgrade bootloader)
No one has any ideas on fixing it?
I'll settle for ideas that will make it impossible to tell if it's rooted, like make it so it won't turn on or at least remove that ugly warranty-breaking "rooted" flag on the recovery warning. I'll just take it in for warranty claim after.
Anyone have any ideas? Maybe wiring the USB to short it out?
I seriously just need to break it, and soon because my employer can't contact me.
As a revelation that may fix/break the phone, I got the computer to recognize the phone. It came up as a bunch of unformatted drives, and one that was readable that contained an "image" folder.
since your computer can detect it now, why dont u try flash kdz using LGFlashtool ?
zekurosu said:
since your computer can detect it now, why dont u try flash kdz using LGFlashtool ?
Click to expand...
Click to collapse
Thanks for the suggestion, but it wouldn't work. It was detecting it as qhusb_bulk, not download mode.
I followed the steps here, http://forum.xda-developers.com/showthread.php?t=2582142, and partway through dd'ing the aboot my phone shut off. I guess the battery died. Now it won't turn on again AT ALL. Just what I wanted, kind of. At least now I can replace it under warranty.

Phone Bricked Can Someone Help?

This method here seemed pretty straightforward to upgrade to Nougat: https://forum.xda-developers.com/axon-7/development/edl-emergency-dl-mode-twrp-unlock-t3553514
I was already unlocked so I figured I just need to flash the "Full" package then the "TWRP" package. TWRP is working, the bootloader still shows as unlocked in fastboot mode, but trying to boot just shows a Linux penguin and nothing else!
I just cleared everything in TWRP to see if that was somehow the issue then reboot, and TWRP says no OS installed! HOW?!
All this happened because I'm unclear on everything, and instead of a yes/no answer I get mocked. Someone please help.
Can you Boot in Fastboot?
When yes . load a Original Firmware update.zip and extract recovery.img from this . Do the recovery.img in Minimal adb and fastboot , open a command windows .
Type: fastboot flash recovery recovery.img ,before this boot the phone in fastboot mode.
After the flash recovery ,boot the phone in the recovery with Volume down (tick them 1 or two times ) reboot ist with power.
Put a SD Card in the Phone with the update zip in root folder of the SD Card.
In recovery tick with Volume down to the Point update via SD Card and wait the Process ist finished.
tester2017 said:
Can you Boot in Fastboot?
When yes . load a Original Firmware update.zip and extract recovery.img from this . Do the recovery.img in Minimal adb and fastboot , open a command windows .
Type: fastboot flash recovery recovery.img ,before this boot the phone in fastboot mode.
After the flash recovery ,boot the phone in the recovery with Volume down (tick them 1 or two times ) reboot ist with power.
Put a SD Card in the Phone with the update zip in root folder of the SD Card.
In recovery tick with Volume down to the Point update via SD Card and wait the Process ist finished.
Click to expand...
Click to collapse
I have access to fastboot mode. However I'm still confused as to what is going on.
At least I've figured out where it goes wrong, at the TWRP step. The "no OS detected" made no sense so I tried flashing using the same method but just the "Full" package first. It eventually does boot and it appears Android 7 is working.
The bootloader shows as unlocked. However when I install the TWRP package after, TWRP is restored but then the phone is bricked and TWRP says no OS detected. I'm not sure if this is because I clicked "allow modifications" and if so why that causes it to go wrong and what I missed. I tried flashing TWRP manually using fastboot mode in case something was wrong with that EDL package, and the result is the same, after installing TWRP and clicking allow modifications the OS is no longer detected.
What am I missing? I must have missed a step.
ok. go to twrp and format data to ext 4 then flash new and restart.
tester2017 said:
ok. go to twrp and format data to ext 4 then flash new and restart.
Click to expand...
Click to collapse
When go to "Format Data", enter yes to allow it, it fails and says:
"mkfs.f2fs -t 0 /dev/block/sda9 process ended with
ERROR: 255
Unable to wipe Data.
Unable to format to remove encryption
Upadting partition details...
Failed to mount '/data' (device or resource busy)
... done"
Even if that went through I'm unsure what you mean flash new? Flash a new what?
When I enter repair/change it says the file system is ext4 anyway.
Well I tried starting at that point again since I didn't allow modifications in TWRP this time, and it actually booted Android but then asks for a password... what?
So something about allowing modifications in TWRP seems to be the culprit, but then I'm unsure why it would ask for a password to start the device when it boots after, it's obviously encrypted.
Flashing back to the "Full" package yet again to restore it working.
Edit: I thought double posts would be auto-merged...
Edit 2: "Format Data" left my device encrypted and the only way around it was a factory reset!
Edit 3: I read over the instructions in the TWRP thread again and I think I've found what I missed. If I don't update this thread again by tomorrow that means I've figured it out and everything should be fine.
Thank you everyone who tried to help.
Can you please give me instructions of what you did to upgrade to Nougat, I'm like you when started the upgrade on B29 Unlocked and rooted. I like the way of EDL process but It is a little vague and I don't want to brick my phone. Thanks in advance.
Cyrus D. said:
Well I tried starting at that point again since I didn't allow modifications in TWRP this time, and it actually booted Android but then asks for a password... what?
So something about allowing modifications in TWRP seems to be the culprit, but then I'm unsure why it would ask for a password to start the device when it boots after, it's obviously encrypted.
Flashing back to the "Full" package yet again to restore it working.
Edit: I thought double posts would be auto-merged...
Edit 2: "Format Data" left my device encrypted and the only way around it was a factory reset!
Edit 3: I read over the instructions in the TWRP thread again and I think I've found what I missed. If I don't update this thread again by tomorrow that means I've figured it out and everything should be fine.
Thank you everyone who tried to help.
Click to expand...
Click to collapse
romeoh said:
Can you please give me instructions of what you did to upgrade to Nougat, I'm like you when started the upgrade on B29 Unlocked and rooted. I like the way of EDL process but It is a little vague and I don't want to brick my phone. Thanks in advance.
Click to expand...
Click to collapse
Hi...I ran into your original issue and I believe it's related to dm-verify. For anyone that runs into this again, try flashing a dm-verify disabling zip and see if it'll boot again. This was the only way I could get the phone to boot after upgrading to nougat...not sure why this is an issue though as (I think) I had the stock bootstack in place along with stock System files.
Here is a link to the dm-verify disabling tool I used:
https://build.nethunter.com/android-tools/no-verity-opt-encrypt/
flyer_andy said:
Hi...I ran into your original issue and I believe it's related to dm-verify. For anyone that runs into this again, try flashing a dm-verify disabling zip and see if it'll boot again. This was the only way I could get the phone to boot after upgrading to nougat...not sure why this is an issue though as (I think) I had the stock bootstack in place along with stock System files.
Here is a link to the dm-verify disabling tool I used:
https://build.nethunter.com/android-tools/no-verity-opt-encrypt/
Click to expand...
Click to collapse
This is clearly posted in the TWRP thread.
flyer_andy said:
Hi...I ran into your original issue and I believe it's related to dm-verify. For anyone that runs into this again, try flashing a dm-verify disabling zip and see if it'll boot again. This was the only way I could get the phone to boot after upgrading to nougat...not sure why this is an issue though as (I think) I had the stock bootstack in place along with stock System files.
Here is a link to the dm-verify disabling tool I used:
https://build.nethunter.com/android-tools/no-verity-opt-encrypt/
Click to expand...
Click to collapse
Thanks, already read the TWRP thread and found what I was missing.
romeoh said:
Can you please give me instructions of what you did to upgrade to Nougat, I'm like you when started the upgrade on B29 Unlocked and rooted. I like the way of EDL process but It is a little vague and I don't want to brick my phone. Thanks in advance.
Click to expand...
Click to collapse
I used the EDL method in the end. Part of the reason I set that up to begin with was just in case in the future I brick something, I'll have the ability to recover from anything prepared.
The step I missed which resulted in a brick was installing SuperSU (since I wanted root anyway, or you can disable dm-verity as the other fellow posted here) after allowing TWRP to be able to do modifications. Then I ended up with more bricks because I used SuperSU 2.79-SR2 and SR3, I thought it was fine since SR2 is what I was using with Marshmallow, apparently not, you have to use a non-SR version of 2.79 with Nougat.
So in summary, from EDL mode I:
1 - Installed the "Full" EDL package.
2 - Installed the "TWRP" EDL package, or you can flash it from Fastboot mode which might be more convenient since you'll have to restart EDL mode after flashing the first package to get it working/ready to flash in EDL mode again.
3 - Gave TWRP permission to do modifications and immediately (without rebooting/starting which would result in a brick) installed SuperSU 2.79 (non-SR), then rebooted (this could take a few mins as it says and can bootloop a few times).
If you said no to permissions for SuperSU and it's not giving you the option again you can reflash SuperSU then reboot to bootloader then reboot to recovery, that should make it show the option again. And in case you're not aware, to make changes to system files and such permanent when you have root, you have to enter a command in TWRP's terminal emulator or ADB shell. I think it was "reboot disemmcwp", it may need "SU" in front if you're doing it through an ADB shell in Windows, I'm not sure. Not quotes of course. Search the forums to find out for sure, it had to be in a guide somewhere.
Edit: Just to be clear, for step 2, when I said "or you can flash it from Fastboot" I meant TWRP in general, not the TWRP EDL package.
Cyrus D. said:
Thanks, already read the TWRP thread and found what I was missing.
I used the EDL method in the end. Part of the reason I set that up to begin with was just in case in the future I brick something, I'll have the ability to recover from anything prepared.
The step I missed which resulted in a brick was installing SuperSU (since I wanted root anyway, or you can disable dm-verity as the other fellow posted here) after allowing TWRP to be able to do modifications. Then I ended up with more bricks because I used SuperSU 2.79-SR2 and SR3, I thought it was fine since SR2 is what I was using with Marshmallow, apparently not, you have to use a non-SR version of 2.79 with Nougat.
So in summary, from EDL mode I:
1 - Installed the "Full" EDL package.
2 - Installed the "TWRP" EDL package, or you can flash it from Fastboot mode which might be more convenient since you'll have to restart EDL mode after flashing the first package to get it working/ready to flash in EDL mode again.
3 - Gave TWRP permission to do modifications and immediately (without rebooting/starting which would result in a brick) installed SuperSU 2.79 (non-SR), then rebooted (this could take a few mins as it says and can bootloop a few times).
If you said no to permissions for SuperSU and it's not giving you the option again you can reflash SuperSU then reboot to bootloader then reboot to recovery, that should make it show the option again. And in case you're not aware, to make changes to system files and such permanent when you have root, you have to enter a command in TWRP's terminal emulator or ADB shell. I think it was "reboot disemmcwp", it may need "SU" in front if you're doing it through an ADB shell in Windows, I'm not sure. Not quotes of course. Search the forums to find out for sure, it had to be in a guide somewhere.
Click to expand...
Click to collapse
Many thanks body, As you said using EDL mode is great to unbrake your phone from any state plus it reminds me with Odin that's why I like this way it's very simple, but as you know this is not Samsung phone and it has so many complications. ???
romeoh said:
Many thanks body, As you said using EDL mode is great to unbrake your phone from any state plus it reminds me with Odin that's why I like this way it's very simple, but as you know this is not Samsung phone and it has so many complications.
Click to expand...
Click to collapse
No problem. I threw in an edit to my last post to clarify point 2 in case you thought I meant you can flash the EDL package from Fastboot mode, I meant TWRP in general. In case you forgot the command to use in the ADB shell it's "fastboot flash recovery FileName.img" (twrp-3.0.4-1-ailsa_ii.img in my case).
If you already had the "reboot disemmcwp"/"SU reboot disemmcwp" step done you don't need to do it again.
And just some general information for you regarding my experience with Nougat so far:
1 - When I started it I selected Canadian English as my language. This apparently disables ZTE voice functions, or Nougat is missing it in general. It's missing from the menus and when I hold the back key it said "Only English and Spanish supported". Piss poorly done as usual, ZTE, since the pronunciation of Canadian and American English is nearly identical with very few exceptions, might as well have left American English enabled for voice commands. So I went into the menu and selected just "English" as my system language, and now the option to set Canadian English is missing entirely, and voice functions are still missing. Holding the back key just results in nothing now instead of the "Only English and Spanish supported" message. So I'm saying I don't know if ZTE voice functions are still there, someone else can answer this, or I guess you'll find out.
2 - Google's Timely alarm app (and possibly other alarms) still don't work properly and will be off by several minutes, so I'm stuck using the default sucky clock app until I find something else that works.
3 - The default apps are all still the exact same trash. If you really want to use the AKM "32 bit" (truncated to 16 bit output) Hi-Fi DAC and amp you're still stuck with the garbage laggy default music app, which now has some sort of bonus lag/stutter. People claiming that you can use the DAC with something like PowerAmp are sadly mistaken, that sounds so different and lower quality than when using the stock music app and even says it's using the SD 820's 24 bit DAC when set to Hi-Fi output. There's even a ridiculous rumour going around that the Axon 7 doesn't have the SD 820's DAC which is retarded, ZTE can't pick and choose components of SoCs supplied by Qualcomm, they just buy some of their stock of what's already made. It's definitely in there, whether or not it's enabled is another story.
4 - Battery life is worse, this is at least partly because there is no Xposed support for Nougat yet so I can't enable the Greenify module to allow really aggressive dozing and dozing on the go (which I thought Nougat was supposed to support?). It could also be partly due to my battery being rapidly degraded from Daydream mode being a firey hell inferno. It heated my battery up to 48C and over 42C in other cases even with my best efforts to keep it cool by enabling Ultra Power Saving Mode (which Daydream may be overriding) and shoving in aluminium foil to act as a heatsink. All phones from reports so far overheat horribly when using Daydream, especially the Pixel XL. It's not surprising that the Axon 7 rapidly overheats as well considering it literally uses the battery as a heatsink; a heatpipe carries heat from the SoC to the battery. I would have not bought the A7 if I knew this.
Edit: I forgot -
5 - ZTE locker no longer allows browsing all of their past content, only what they allow per day, which so far for me has only been the same crap and never anything new. Too bad, I liked some of their old content, though it was all 1080p and not 1440p. Oh well.
Cyrus D. said:
No problem. I threw in an edit to my last post to clarify point 2 in case you thought I meant you can flash the EDL package from Fastboot mode, I meant TWRP in general. In case you forgot the command to use in the ADB shell it's "fastboot flash recovery FileName.img" (twrp-3.0.4-1-ailsa_ii.img in my case).
If you already had the "reboot disemmcwp"/"SU reboot disemmcwp" step done you don't need to do it again.
And just some general information for you regarding my experience with Nougat so far:
1 - When I started it I selected Canadian English as my language. This apparently disables ZTE voice functions, or Nougat is missing it in general. It's missing from the menus and when I hold the back key it said "Only English and Spanish supported". Piss poorly done as usual, ZTE, since the pronunciation of Canadian and American English is nearly identical with very few exceptions, might as well have left American English enabled for voice commands. So I went into the menu and selected just "English" as my system language, and now the option to set Canadian English is missing entirely, and voice functions are still missing. Holding the back key just results in nothing now instead of the "Only English and Spanish supported" message. So I'm saying I don't know if ZTE voice functions are still there, someone else can answer this, or I guess you'll find out.
2 - Google's Timely alarm app (and possibly other alarms) still don't work properly and will be off by several minutes, so I'm stuck using the default sucky clock app until I find something else that works.
3 - The default apps are all still the exact same trash. If you really want to use the AKM "32 bit" (truncated to 16 bit output) Hi-Fi DAC and amp you're still stuck with the garbage laggy default music app, which now has some sort of bonus lag/stutter. People claiming that you can use the DAC with something like PowerAmp are sadly mistaken, that sounds so different and lower quality than when using the stock music app and even says it's using the SD 820's 24 bit DAC when set to Hi-Fi output. There's even a ridiculous rumour going around that the Axon 7 doesn't have the SD 820's DAC which is retarded, ZTE can't pick and choose components of SoCs supplied by Qualcomm, they just buy some of their stock of what's already made. It's definitely in there, whether or not it's enabled is another story.
4 - Battery life is worse, this is at least partly because there is no Xposed support for Nougat yet so I can't enable the Greenify module to allow really aggressive dozing and dozing on the go (which I thought Nougat was supposed to support?). It could also be partly due to my battery being rapidly degraded from Daydream mode being a firey hell inferno. It heated my battery up to 48C and over 42C in other cases even with my best efforts to keep it cool by enabling Ultra Power Saving Mode (which Daydream may be overriding) and shoving in aluminium foil to act as a heatsink. All phones from reports so far overheat horribly when using Daydream, especially the Pixel XL. It's not surprising that the Axon 7 rapidly overheats as well considering it literally uses the battery as a heatsink; a heatpipe carries heat from the SoC to the battery. I would have not bought the A7 if I knew this.
Edit: I forgot -
5 - ZTE locker no longer allows browsing all of their past content, only what they allow per day, which so far for me has only been the same crap and never anything new. Too bad, I liked some of their old content, though it was all 1080p and not 1440p. Oh well.
Click to expand...
Click to collapse
Omg bro, To be honest I hate the software experience on that phone. It is the only thing that turning me off from it. I played a little with my brother's S7 edge the other day, and believe me the software experience is extraordinary. However I noticed that the S7 edge overheats a lot too without even using the daydream. In my opinion I think Axon 7 lacks in hardware wise a bigger battery and the support of the new RCS messaging feature, and in software wise a whole new developed system.

Moto E4 sperry XT1766 not booting up after a restore via TWRP

Long story short, my phone only displays the n/a screen and won't boot up.
I got the phone from Sprint, and it is the Qualcomm version. (The box says that anyway.) I wanted to root the device, so I unlocked the bootloader and attempted to flash SuperSU. This didn't work, as the app didn't show after the flash. I then tried to use Magisk, but I received Error 1 (boot image patched by other programs). To fix this issue, I downloaded a similar stock ROM and tried to install that. I ended up just wiping all the data on the phone, including the OS. Luckily I did make a nandroid backup.
The phone currently has no OS, due to me wiping all my data on it. I made a backup of when it did work (said earlier), with all partitions excluding Data. I have restored it, but it doesn't boot up. TWRP says nothing about there being no OS on the phone. I can't find a stock ROM of this particular phone, but there are some close ones. (sperry XT1768 I believe.) If anyone could help me restore my phone or possibly provide me the stock ROM I would be beyond grateful. I would also be also be okay with posting any logs or things you need.
Thanks much!
Go here:
https://firmware.center/firmware/Motorola/Moto E4/Stock/
This is the Boost XT1766 firmware :
https://firmware.center/firmware/Mo...ubsidy-DEFAULT_regulatory-DEFAULT_CFC.xml.zip
I did a dumb and was rewarded
So, I ended up flashing the sperry XT1768 ROM that I had downloaded. Keep in mind I already lacked an OS, so I had nothing to lose.
PLEASE NEVER FLASH A ROM THAT DOESN'T BELONG TO YOUR DEVICE. THIS COULD CAUSE YOUR PHONE TO BE BRICKED.
Against the above statement, I literally had nothing to lose. I got my phone to boot up, and it has all of its functionality. Thank you for posting the correct software amarc78, I'll have to flash the correct ROM at a later time.
Moral of the story, please know what you are doing before you do something dumb. Use proper forums (such as the one you are on...) to do such tasks as rooting your phone.
Zachery Calahan said:
So, I ended up flashing the sperry XT1768 ROM that I had downloaded. Keep in mind I already lacked an OS, so I had nothing to lose.
PLEASE NEVER FLASH A ROM THAT DOESN'T BELONG TO YOUR DEVICE. THIS COULD CAUSE YOUR PHONE TO BE BRICKED.
Against the above statement, I literally had nothing to lose. I got my phone to boot up, and it has all of its functionality. Thank you for posting the correct software amarc78, I'll have to flash the correct ROM at a later time.
Moral of the story, please know what you are doing before you do something dumb. Use proper forums (such as the one you are on...) to do such tasks as rooting your phone.
Click to expand...
Click to collapse
Hmmmm, sounds intriguing. I soft bricked my xt1766 a few days ago and have found multiple fixes, but nothing that sticks. That above firmware? Took me two days to realize I needed RSD Lite to flash it. What was that RSD Lite? You play funny with Windows 10, no worries, I'll create my own batch file to manually flash this firmware.........WHAT!!!!!!! Why is there a multi colored ring saying "erasing" at the bottom and rebooting every 30 seconds?????? So after further research and "multiple error 7s" as well as "cant mount cache/data" errors, I came to another fix, lo and behold, im in a TWRP bootloop. Long story short, FML!!!!! Im glad you found a fix. Happy flashing.
TeamAndro08 said:
Hmmmm, sounds intriguing. I soft bricked my xt1766 a few days ago and have found multiple fixes, but nothing that sticks. That above firmware? Took me two days to realize I needed RSD Lite to flash it. What was that RSD Lite? You play funny with Windows 10, no worries, I'll create my own batch file to manually flash this firmware.........WHAT!!!!!!! Why is there a multi colored ring saying "erasing" at the bottom and rebooting every 30 seconds?????? So after further research and "multiple error 7s" as well as "cant mount cache/data" errors, I came to another fix, lo and behold, im in a TWRP bootloop. Long story short, FML!!!!! Im glad you found a fix. Happy flashing.
Click to expand...
Click to collapse
I used this rsdlite, and it works on my PC with Windows 10. Just make sure you have Motorola drivers installed.
madbat99 said:
I used this rsdlite, and it works on my PC with Windows 10. Just make sure you have Motorola drivers installed.
Click to expand...
Click to collapse
Im at work now, but when I get home, I'll definitely give that pony a whirl! Thanks man.
TeamAndro08 said:
Im at work now, but when I get home, I'll definitely give that pony a whirl! Thanks man.
Click to expand...
Click to collapse
For the Twrp loop, try selecting reboot bootloader, then in bootloader, select start. That should get you into system.
There is a fix for that, I'll find the link. Some twrp build aren't wiping something properly and causes a recovery loop after formatting data.
madbat99 said:
For the Twrp loop, try selecting reboot bootloader, then in bootloader, select start. That should get you into system.
There is a fix for that, I'll find the link. Some twrp build aren't wiping something properly and causes a recovery loop after formatting data.
Click to expand...
Click to collapse
Definitely appreciate the info brother, I havent been able to get to it cuz of work. But tonight, I will try all things youve mentioned.
TeamAndro08 said:
Hmmmm, sounds intriguing. I soft bricked my xt1766 a few days ago and have found multiple fixes, but nothing that sticks. That above firmware? Took me two days to realize I needed RSD Lite to flash it. What was that RSD Lite? You play funny with Windows 10, no worries, I'll create my own batch file to manually flash this firmware.........WHAT!!!!!!! Why is there a multi colored ring saying "erasing" at the bottom and rebooting every 30 seconds?????? So after further research and "multiple error 7s" as well as "cant mount cache/data" errors, I came to another fix, lo and behold, im in a TWRP bootloop. Long story short, FML!!!!! Im glad you found a fix. Happy flashing.
Click to expand...
Click to collapse
THIS! Have you ever found a solution? I have the EXACT SAME PROBLEM
steevo398 said:
THIS! Have you ever found a solution? I have the EXACT SAME PROBLEM
Click to expand...
Click to collapse
So you're in a TWRP loop now?
madbat99 said:
So you're in a TWRP loop now?
Click to expand...
Click to collapse
You're just all over the place, kudos to your dedication.
Basically in trying to fix the bad key/erasing boot loop I flashed twrp and tried to format data/unencrpyt which in turn throws errors which require manually reformatting /data until errors are gone and then formatting/unencrypting again which upon rebooting turns into twrp loop. Then tried to flash no-verity, the twrp loop persists.
steevo398 said:
You're just all over the place, kudos to your dedication.
Basically in trying to fix the bad key/erasing boot loop I flashed twrp and tried to format data/unencrpyt which in turn throws errors which require manually reformatting /data until errors are gone and then formatting/unencrypting again which upon rebooting turns into twrp loop. Then tried to flash no-verity, the twrp loop persists.
Click to expand...
Click to collapse
Used to have a couple of these phones .
If you're stuck in a TWRP loop
The quick workaround is to reboot to bootloader, then proceed from there to Start. However, you'll need to do this *every* time until the BCB is cleared.
To clear the BCB manually, issue this command in TWRP terminal:
Code:
dd if=/dev/zero of=/dev/block/bootdevice/by-name/misc bs=1M
have you tried formatting data, then flashing.magisk?

After Pie: Bootloader unlocked & TWRP install didn't work

Hi,
I was really unhappy with Pie and tried to prepare my device for Oreo downgrade.
What I did was
- unlock bootloader
- tried to install TWRP
- mixed something up in that processs
- realized TWRP cannot be installed apparently on Pie right now
- MiFlash seems to be not working as well when trying to install stock rom (says flashing but nothing happens)
Well Pie is running right now, but when trying to lock the bootloader again for future updates, the phones is only showing a black screen.
After that I am trying to unlock bootloader again (fastboot oem unlock) and everything works again, except when I try to boot into recovery ("the system is destroyed" or something like that).
Trying to "hotboot" into TWRP currently is also not working, "unable to mount..." and after that automatically reboots into the system itself.
Any idea how I can either put a standard Pie installation with working recovery and locked bootloader on?
Or how I can maybe install Oreo instead? As I said, the MiFlash tool doesn't do anything (tells me "flashing" but actually doesn't do anything).
Thanks for your help!
cyrrel said:
Hi,
I was really unhappy with Pie and tried to prepare my device for Oreo downgrade.
What I did was
- unlock bootloader
- tried to install TWRP
- mixed something up in that processs
- realized TWRP cannot be installed apparently on Pie right now
- MiFlash seems to be not working as well when trying to install stock rom (says flashing but nothing happens)
Well Pie is running right now, but when trying to lock the bootloader again for future updates, the phones is only showing a black screen.
After that I am trying to unlock bootloader again (fastboot oem unlock) and everything works again, except when I try to boot into recovery ("the system is destroyed" or something like that).
Trying to "hotboot" into TWRP currently is also not working, "unable to mount..." and after that automatically reboots into the system itself.
Any idea how I can either put a standard Pie installation with working recovery and locked bootloader on?
Or how I can maybe install Oreo instead? As I said, the MiFlash tool doesn't do anything (tells me "flashing" but actually doesn't do anything).
Thanks for your help!
Click to expand...
Click to collapse
https://forum.xda-developers.com/mi-a1/development/treble-twrp-installer-treble-manager-t3793637
Hi,
I somehow managed to put 8.1 on and everything is back to normal.
Thanks
cyrrel said:
Hi,
I somehow managed to put 8.1 on and everything is back to normal.
Thanks
Click to expand...
Click to collapse
can you explain us the procedures that you have followed to downgrade. It would be really helpful. i have tried this
method but it didn't work for me. i am facing IMEI 0/no signal issues using this method.
Thanks
well I have done a lot of stuff that made my phone not working anymore because using a wrong .img file and didn'T understand the tutorial (same link you have provided) fully.
But at the end it was quite close to the link you have sent, the MiFlash tool I needed for example to try like 10 times per step until it worked, maybe a bad cable - I don't know.
But finally it was working, after March update without network signal, but with /boot & /efs partitions and Nov fastboot image, it was working.
If you need any more detail for a specific step, you can of course ask and I can check if there was anything special I can remember
cyrrel said:
well I have done a lot of stuff that made my phone not working anymore because using a wrong .img file and didn'T understand the tutorial (same link you have provided) fully.
But at the end it was quite close to the link you have sent, the MiFlash tool I needed for example to try like 10 times per step until it worked, maybe a bad cable - I don't know.
But finally it was working, after March update without network signal, but with /boot & /efs partitions and Nov fastboot image, it was working.
If you need any more detail for a specific step, you can of course ask and I can check if there was anything special I can remember
Click to expand...
Click to collapse
Are your imei & mac same as original? won't the imei/mac get affected by restoring someone else efs?
I don't know about mac, but imei is ok

LG V20 H910 Root attempt fail, any plan of recourse?

Hi. I'm just gonna say this first: I didn't know entirely what I was doing when beginning this operation. I was just trying to do something fun and new, and it didn't pan out. I fully acknowledge that I am an idiot.
Now, the story. I was attempting to root my LGV20 with this guide: https://forum.xda-developers.com/v20/how-to/root-h910-v10m-t3664500 .
I have read over this thread more times than countable and thought I was doing everything correctly. I got to the "STEP3.BAT" portion of the guide and long story short, my phone crashed during it and somehow got foobarred.
It *kinda* works (as in it will boot for around a minute) and then blue/black screen into a reboot.
Is there any way I can save this phone? Hard resets, going into software, more dumb computer stuff, anything. I don't *need* to get this phone working again but it would be really preferable.
Simultaneously I fully accept the responsibility in failing the operations. I know that somewhere I must have messed up. If no-one wants/ can help me, tell me so. Just means new phone time.
If any more detail on what happened is needed, tell me.
First off: that guide is ONLY for the H910 (AT&T) variant, so make sure with your model
and also, when you said a "blue or black screen" it also has very small writings too, right? If so, then you may have faced a kernel/bootloader panic
Technically your phone is *still* alive, and your best method is to start over again, assuming if you read the whole guide carefully then you have backed up your firmware and can still access download mode.
Flash your stock firmware back (or use the H915 firmware provided by the guide), wipe and setup your phone again, then root the phone again.
I also suggest replacing the TWRP recovery inside the provided Dirtysanta folder cuz that's what i did when i faced the kernel panic
MEMO#22 said:
First off: that guide is ONLY for the H910 (AT&T) variant, so make sure with your model
and also, when you said a "blue or black screen" it also has very small writings too, right? If so, then you may have faced a kernel/bootloader panic
Technically your phone is *still* alive, and your best method is to start over again, assuming if you read the whole guide carefully then you have backed up your firmware and can still access download mode.
Flash your stock firmware back (or use the H915 firmware provided by the guide), wipe and setup your phone again, then root the phone again.
I also suggest replacing the TWRP recovery inside the provided Dirtysanta folder cuz that's what i did when i faced the kernel panic
Click to expand...
Click to collapse
Thanks so much. Freaked out over this for a good bit. Came back, did what you said and we're back at that step fully working. Life saver.
Now my first guess as to why step3 failed is that i didn't have the latest version of TWRP. How can I set that up?
Inside the root package folder you can see an .img file named twrp 3.0.2-1- us996.img
What i did was downloaded a later version
(not latest cuz my phone won't boot at the latest version for some reason), copied the name of the original twrp and renamed it, paste it to the folder, overwrite the old one, and try to root it again
MEMO#22 said:
Inside the root package folder you can see an .img file named twrp 3.0.2-1- us996.img
What i did was downloaded a later version
(not latest cuz my phone won't boot at the latest version for some reason), copied the name of the original twrp and renamed it, paste it to the folder, overwrite the old one, and try to root it again
Click to expand...
Click to collapse
Alright, i've done that now too. Thanks. Is there anything else i should/need to keep in mind to ensure failure is not going to happen? I want to make 100% sure I get everything right this time.
reptarien said:
Alright, i've done that now too. Thanks. Is there anything else i should/need to keep in mind to ensure failure is not going to happen? I want to make 100% sure I get everything right this time.
Click to expand...
Click to collapse
No i don't think there is more things to do, the guide you're following is pretty much straightforward already.
100% guarantee is always a stretch here in XDA. But if you're still facing problems you can ask for help on that guide's thread.
MEMO#22 said:
No i don't think there is more things to do, the guide you're following is pretty much straightforward already.
100% guarantee is always a stretch here in XDA. But if you're still facing problems you can ask for help on that guide's thread.
Click to expand...
Click to collapse
I really want to give up on this. This time I successfully made it through all Step 3, but I also noticed that my screen was kind of glitched and not rendering properly at that stage. After it rebooted, I unplugged my micro usb cable and it gave me an angry green warning message I will attach here.
If you/someone can tell me what to do with this message from here or instruct me on how to flash stock H910 10 q back onto the phone without doing TWRP (since i'm evidently incapable of installing it) I would be most appreciative.
Slightly better picture without anything cut off.
reptarien said:
I really want to give up on this. This time I successfully made it through all Step 3, but I also noticed that my screen was kind of glitched and not rendering properly at that stage. After it rebooted, I unplugged my micro usb cable and it gave me an angry green warning message I will attach here.
If you/someone can tell me what to do with this message from here or instruct me on how to flash stock H910 10 q back onto the phone without doing TWRP (since i'm evidently incapable of installing it) I would be most appreciative.
Click to expand...
Click to collapse
The screen glitching is normal, the green text after boot however is somehow not.
Sad to hear that it still didn't work, there something seems to be interrupting the process of rooting your phone. I dunno if it has something to do with ARB (anti rollback) preventing you to root
If you want to go back to your stock firmware that you backed up, you can:
-Carefully flash each file of your backed up firmware through adb and fastboot mode
-build a zip file of your firmware and flash through TWRP (since it didn't succeed tho)
MEMO#22 said:
The screen glitching is normal, the green text after boot however is somehow not.
Sad to hear that it still didn't work, there something seems to be interrupting the process of rooting your phone. I dunno if it has something to do with ARB (anti rollback) preventing you to root
If you want to go back to your stock firmware that you backed up, you can:
-Carefully flash each file of your backed up firmware through adb and fastboot mode
-build a zip file of your firmware and flash through TWRP (since it didn't succeed tho)
Click to expand...
Click to collapse
Could you reply with any links with a tutorial on how to do the first thing? Or describe it. Sorry for being so dumb i'm a total newbie lol
reptarien said:
Could you reply with any links with a tutorial on how to do the first thing? Or describe it. Sorry for being so dumb i'm a total newbie lol
Click to expand...
Click to collapse
Unfortunately i can't find any guides when it comes to flashing the back up.
I did read something back then on turning it into a zip file, but even if you can build one you still need TWRP, in which case you haven't successfully installed, so that's no option
Flashing the backup files requires specific commands, especially to the part on what partition should it be flashed to
When LGUP backs up your phone's firmware, you can see a vast number of files(i can't remember how were they named, I'll look up a reddit post about it)
The files where named based on what partition it came fom (H910_modemxx_COM12, H910_system_COM12 or something like that)
These are image files, what i did as far as i can remember was rename these files by adding an IMG extension for ADB to recognize
Flash them according to it's partition name:
"Fastboot flash system H910_system_COM12.img"
"Fastboot flash recovery H910_recovery_COM12.img'
Etc.
To go to fastboot, turn off your phone and hold the volume down button , then plug your phone to the PC.
But i really cannot guarantee this, because for all i know, in order to flash this you need fastboot, and to get fastboot you need to root your phone, because only the engineering bootloader has it (i'm sorry if it's wrong tho), and flashing these files to fastboot might be a bit dangerous because it will not verify the files, there may be chances that you might flash a corrupted file. so flashing via LGUP is the safest option so far if you don't know what you're doing

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