So my V35 is stuck in Fastboot mode - LG V35 Questions & Answers

The phone (AT&T version) failed installing the Fi Android 9 update (following the instructions for LGUP modded) and after that the phone is now stuck in fastboot mode and can't enter download mode with the volume up and power button combo.
Am I out of luck or is there a way back to a functional phone?

Need help
Same problem

X-Nemesis said:
The phone (AT&T version) failed installing the Fi Android 9 update (following the instructions for LGUP modded) and after that the phone is now stuck in fastboot mode and can't enter download mode with the volume up and power button combo.
Am I out of luck or is there a way back to a functional phone?
Click to expand...
Click to collapse
To gain download mode with my AT&T variant all I did was hold volume up while plugging in usb that was already attached to PC.
Hmmm.

Shawnashley said:
To gain download mode with my AT&T variant all I did was hold volume up while plugging in usb that was already attached to PC.
Hmmm.
Click to expand...
Click to collapse
Yep, that did work at first when I was able to attempt the first flash in LGUP, but after it crashed the phone was stuck in Fastboot and would default back to fastboot even when I held the buttons for download mode. And now, the phone is stuck in Firmware Update mode. :crying:

Update: Phone has been fixed, got in contact with (motogvasyag) from XDA who helped me get back up and running. $20 well spent.

X-Nemesis said:
Update: Phone has been fixed, got in contact with (motogvasyag) from XDA who helped me get back up and running. $20 well spent.
Click to expand...
Click to collapse
Good to hear. Congrats!

X-Nemesis said:
Update: Phone has been fixed, got in contact with (motogvasyag) from XDA who helped me get back up and running. $20 well spent.
Click to expand...
Click to collapse
Same fastboot loop problem for my V35 after LGUP flashing with Android Pie. Did you send your phone to that guy or was the phone fixed remotely?

Hi there, the phone was fixed remotely via Teamviewer. He just had me install Octoplus pro, USB Network Gate and then a patched version of LGUP.

Same issue
X-Nemesis said:
Hi there, the phone was fixed remotely via Teamviewer. He just had me install Octoplus pro, USB Network Gate and then a patched version of LGUP.
Click to expand...
Click to collapse
I have the same issue. I would like to contact him to get help! How would you contact him?

Related

Bricked Phone

Hi everyone
I have a Videotron LG G2 ( D801). I was running stock 4.4.2 stock + rooted but i could not acces recovery, so i download AutoRec from here http://forum.xda-developers.com/showthread.php?t=2715496
i grant the SU permision and everything goes ok, i try to go to the recovery and it gets stuck in the fastboot mode, there i cant do anything ( no recovery no normal boot,) i only can go to the hardware key configuration and to the hard reset, but i can not reset it ( it goes right to the fastboot mode)
I have tried several methods to flash stock but everything gets stucked when i try to connect my cellphone in download mode to the pc, it doesn't detect it ,o there's no progress bar or anything .
Yes ,i have the lg drivers.
EDIT: After some research i managed to get the download mode working, but my pc does not recognize it. If i manage to make my pc recognize it everything will be ok
Thank You.
kdz it.press and hold volume(+) and connect to your pc until "download mode" shown
I cant
khanh2411 said:
kdz it.press and hold volume(+) and connect to your pc until "download mode" shown
Click to expand...
Click to collapse
I cant enter the download mode, or if i get the chance to enter , my pc does not detect it
PabloAcevedo said:
EDIT: After some research i managed to get the download mode working, but my pc does not recognize it. If i manage to make my pc recognize it everything will be ok
Click to expand...
Click to collapse
Would you please let us know how you got the download mode working? Thanks in advance
kaha6uc said:
Would you please let us know how you got the download mode working? Thanks in advance
Click to expand...
Click to collapse
As i could enter fastboot, i followed this link :
http://forum.xda-developers.com/showthread.php?t=2582142
Hope you get yours working, i could not so i haad to send it to a cell phone shop to repair it and they were not able to do it.
So i had to pay to LG to repair it :/
pardyou said:
As i could enter fastboot, i followed this link :
http://forum.xda-developers.com/showthread.php?t=2582142
Hope you get yours working, i could not so i haad to send it to a cell phone shop to repair it and they were not able to do it.
So i had to pay to LG to repair it :/
Click to expand...
Click to collapse
Thank you very much. Unfortunately I can't enter fastboot
kaha6uc said:
Thank you very much. Unfortunately I can't enter fastboot
Click to expand...
Click to collapse
I sugest you contact lg to repair it. They have a flat rate repair and they are relatively fast ( i sent my phone on monday and i got it 7 days later).
I paid 101 CAD ( including taxes) and the postage (13$) wich is not that much for a phone that's worth 500$.

Fastboot issues and corrupted download mode.

I recently got my hands on a bricked LG G2 D800 because i thought i was deemed unbrickable. I got the device the backlight showed life and that was about it. i managed to somehow get (this method i think) it to boot to the LG logo and than it jumps to fastboot mode.
Yea me!!! I got fastboot and this phone is as good as fixed. NO! fastboot does not work. It will absolutely not execute a command besides "fastboot devices" to which it brings up a fastboot device. Since i got fastboot my plan is to follow this thread to recover the device. i updated all drivers that i need for this device, nothing. Plain and simple, there is an issue getting fastboot to execute command. the commands appear on the device but it doesn't advance further.
Download mode. Yeah i get the download mode that I get is a "security error" so its not the traditional download mode. if i get download mode i can flash a .tot right? Wrong. Fails due to "model information check". i got the phone to appear under COM41. The .tot file is 'LGD800AT-01-V20c-310-410-FEB-02-2014+0.tot'. Drivers does not seem to be the issue at hand, unless maybe its the ADB/fastboot drivers which i also updated to newest version.
The next thing im contemplating if this method is worth the shot. I have it booting to fastboot. I will probably do this since its probably the only thing left to try. Going to set up linux now so i'll report back.
Any help/insight will be appeared and properly thanked for.
I also got security errors on an 802. I was about to leave the phone in download mode and ran the LG Mobile Support Tool to perform an upgrade recovery to get a stock LP ROM onto the phone.
audit13 said:
I also got security errors on an 802. I was about to leave the phone in download mode and ran the LG Mobile Support Tool to perform an upgrade recovery to get a stock LP ROM onto the phone.
Click to expand...
Click to collapse
Link(s)?
I just downloaded the LG Mobile tool from LG Canada. Just search for the d802 and download the program. The program should detect your phone and download the correct firmware.
http://www.lg.com/ca_en/support/software-manuals
I actually have the d802 and it worked with the LG mobile program from the Canadian website.
audit13 said:
I just downloaded the LG Mobile tool from LG Canada. Just search for the d802 and download the program. The program should detect your phone and download the correct firmware.
http://www.lg.com/ca_en/support/software-manuals
I actually have the d802 and it worked with the LG mobile program from the Canadian website.
Click to expand...
Click to collapse
worth a try i guess. thanks.
Good luck. I hope it works for you. Report back with your results.
audit13 said:
Good luck. I hope it works for you. Report back with your results.
Click to expand...
Click to collapse
No luck :/ wont detect phone. and i have proper drivers installed.
Are you using Win7?
audit13 said:
Are you using Win7?
Click to expand...
Click to collapse
nope windows 10
I restored my phone using Win7 and I think there are some LG programs that do not work properly with Win8/10. I think one tool is the flash tool.
Does anything appear in Win10's device manager when the phone is connected?
audit13 said:
I restored my phone using Win7 and I think there are some LG programs that do not work properly with Win8/10. I think one tool is the flash tool.
Does anything appear in Win10's device manager when the phone is connected?
Click to expand...
Click to collapse
more info here in my other thread http://forum.xda-developers.com/lg-g2/help/type-brick-t3198437 1st and 3rd post

LG Nexus 5X Download mode

This is not a how-to! I just want to inform everyone that our LG Nexus 5X has a download mode just like all other lg phones.
Instructions: 1.Plug USB cable into pc 2. Hold volume up and power at the same time and plug phone into usb that's already connected to your pc.
Like I said this is not a how-to so use Google and your brain to get the kdz or tot stock nexus 5X files and convert accordingly.
I am not responsible for anything you do to your phone but I hope this helps anyone out that was not aware. After all xda is all about sharing right ?
skulldreamz said:
This is not a how-to! I just want to inform everyone that our LG Nexus 5X has a download mode just like all other lg phones.
Click to expand...
Click to collapse
Well I got into it by pressing power and vol up after the phone took 5 minutes to boot back up after using a move to system an updated google play app.. Guess the move did not work. And had a hard time getting back into recovery to reflash a saved system image. But there is not much info on what else this mode is good for.. Something about not booting up the CPU but still able to flash? If so then those with problem N7 updates might be able to use this mode to clear the flash and upload a fresh firmware file to get their phones back in working order.
where we can find the official LG Nexus 5X kdz firmware or TOT? I mean not the one from XDA, but the official from LG. Tried searching but not yet found it.
Looking for same
questionquince said:
where we can find the official LG Nexus 5X kdz firmware or TOT? I mean not the one from XDA, but the official from LG. Tried searching but not yet found it.
Click to expand...
Click to collapse
Man, I'm in the boot loop nightmare and am hoping there's a tool from LG that can reflash recovery using download mode. I have tried every way I can find to do that through fastboot, but it won't work. Won't boot to recovery, which is why I want to flash one. It's probably hardware toasted (some research shows this is a problem on this and some other phones using same chip), but thought I'd try everything before giving up on it. It's 2 months out of warranty. :-\
stuck in bootloop
my phone nexus 5x. It is stuck in bootloop and i haven't activated the usb debugging. I have tried entering into download mode but still it not going into download mode. What should I do?
mrsato said:
Man, I'm in the boot loop nightmare and am hoping there's a tool from LG that can reflash recovery using download mode. I have tried every way I can find to do that through fastboot, but it won't work. Won't boot to recovery, which is why I want to flash one. It's probably hardware toasted (some research shows this is a problem on this and some other phones using same chip), but thought I'd try everything before giving up on it. It's 2 months out of warranty. :-\
Click to expand...
Click to collapse
Did you ever manage to solve this? I'm in a boot loop now, and it won't go into recovery mode before rebooting again and again!
stevepaget said:
Did you ever manage to solve this? I'm in a boot loop now, and it won't go into recovery mode before rebooting again and again!
Click to expand...
Click to collapse
Nope. What kills me is these are still being sold by some carriers... knowing full well they are only good for a year+enough time to expire your warranty.

9.0.5 Bricked itself?

Hey guys, I have the T-Mobile 6T, unlocked and rooted, worked perfect until today.
Today it took the 9.0.5 OTA, it downloaded, installed, rebooted and left me with
"<!> BUILD VERSION and HW VERSION IS NOT MATCH"
Any chance someone can help?
I can't get it into recovery or anything.
The MSM download tool will help you.
https://forum.xda-developers.com/on...t-mobile-oneplus-6t-msmdownloadtool-t3868916/
I had hoped that it would. Unfortunately, I can't get it to work..
it seems that the phone just keeps rebooting before the tool can actually do anything.
The most I get is "Start download firehose binary" and the the phone disconnects.
Next is "Sahara Communication Failed."
after a few dozen more tries, I got a bit more. Now it says "Images do not match the phone!"
Try restarting into qcom mode as well as plugging into diff USB ports. Mine was doing that as well and eventually was able to get it to work.
How do I get into qcom mode?
intrusdave said:
How do I get into qcom mode?
Click to expand...
Click to collapse
Hold Power, Vol up, and Vol down. Screen will be completely black but phone will be recognized in device manager and will give you a COM port.
Also make sure you're using the Tmobile MSM Download Tool and not the one for international version. See link above that I posted.
Looks like it was the usb cable.
but I'm still stuck at "Images do not match with the phone!"
This is the T-Mobile variant, flashed with the global rom.
intrusdave said:
Looks like it was the usb cable.
but I'm still stuck at "Images do not match with the phone!"
This is the T-Mobile variant, flashed with the global rom.
Click to expand...
Click to collapse
Are you using the T-mobile tool? https://forum.xda-developers.com/oneplus-6t/how-to/tool-t-mobile-oneplus-6t-msmdownloadtool-t3868916
I thought I was, but I will re-download and see.
That was it, thank you! I don't know where the hell I got the wrong copy from!
You really bailed me out, thank you very much.
intrusdave said:
That was it, thank you! I don't know where the hell I got the wrong copy from!
You really bailed me out, thank you very much.
Click to expand...
Click to collapse
No problem. There's two tools in the guides section and the threads have similar names so it's easy to get mixed up.
In the future if you're going to international 9.0.5 or 9.0.6 make sure to use the full rom and not just OTA.
I have the Same problem
intrusdave said:
Looks like it was the usb cable.
but I'm still stuck at "Images do not match with the phone!"
This is the T-Mobile variant, flashed with the global rom.
Click to expand...
Click to collapse
Hi, i have the same problem. what do you do to get it work?
Hi, I lost all my photos by doing this . is there any way i can get all my data back ?Phone is up and running but lost my all data
[email protected] said:
Hi, I lost all my photos by doing this . is there any way i can get all my data back ?Phone is up and running but lost my all data
Click to expand...
Click to collapse
Oh boy, look what I found right in the thread about the MSM tool! Please see attached screenshot.
I have this issue on the international variant of the phone (Yes mine truly is the international model, it has dual sim, although its refurbished so the refurbishers borked something)
mang0 said:
Hold Power, Vol up, and Vol down. Screen will be completely black but phone will be recognized in device manager and will give you a COM port.
Also make sure you're using the Tmobile MSM Download Tool and not the one for international version. See link above that I posted.
Click to expand...
Click to collapse
I used the international version on mine (T-Mobile 6T) since was in software and hardware error. You don't have to come back to TMobile software mandatory.
mang0 said:
Hold Power, Vol up, and Vol down. Screen will be completely black but phone will be recognized in device manager and will give you a COM port.
Also make sure you're using the Tmobile MSM Download Tool and not the one for international version. See link above that I posted.
Click to expand...
Click to collapse
I've tried the different tools to no avail. also holding power, vol up and down will only go into fastboot mode. I believe just holding vol up and down is the qcom mode and inserting the usb c cable after about 10 seconds of holding those two buttons. otherwise the device will just keep rebooting into fastboot

I Can't exit fastboot mode

In the beginning I wanted to upgrade my device to 9.0 ( Korean version ) then when i Update my phone Through LGUP show error message (Approximately 75%)
Then I turn off the phone Then when I want to get in Downloading mode Is directed to fastboot
so I stuck in fastboot
please HELP
Try to force reboot via holding power + vol down for 8 seconds.
themostunique said:
Try to force reboot via holding power + vol down for 8 seconds.
Click to expand...
Click to collapse
Doesn’t work :crying:
Try draining the phone's battery via otg, then hold vol up and plug in usb to computer to download mode.
@a_al_khaled1 you need to provide a bit more info and answer to those questions:
1. Were you bootloader unlocked?
2. What option and partitions you have checked to flash via LGUP?
vlad48 said:
@a_al_khaled1 you need to provide a bit more info and answer to those questions:
1. Were you bootloader unlocked?
2. What option and partitions you have checked to flash via LGUP?
Click to expand...
Click to collapse
1- No
2- update
This is what appears when I try to boot or download mode https://drive.google.com/file/d/1xvEqf1FszSxvMXhJMq-QFM2yIIXwAre7/view?usp=drivesdk
Now we are getting there...
Can you remember OS Oreo version you were using and if your device has AT&T branding or it was a Google - Fi one?
vlad48 said:
@a_al_khaled1 you need to provide a bit more info and answer to those questions:
1. Were you bootloader unlocked?
2. What option and partitions you have checked to flash via LGUP?
Click to expand...
Click to collapse
vlad48 said:
Now we are getting there...
Can you remember OS Oreo version you were using and if your device has AT&T branding or it was a Google - Fi one?
Click to expand...
Click to collapse
V350ULM10i
Amazon version
Now everything is clear.
Try holding and not releasing volume - and power while the phone boots and reboots into fastboot 6 times in a row then release only Vol- while still holding power - phone will change active boot slot and will boot into slot _b (if it was bootable before of course).
If this does not happen then your only way to restore it is via JTAG.
Contact this guy.
vlad48 said:
Now everything is clear.
Try holding and not releasing volume - and power while the phone boots and reboots into fastboot 6 times in a row then release only Vol- while still holding power - phone will change active boot slot and will boot into slot _b (if it was bootable before of course).
If this does not happen then your only way to restore it is via JTAG.
Contact this guy.
Click to expand...
Click to collapse
That what happen when I try to get to download mode https://drive.google.com/file/d/14mKlTCVSYj4bA0LHZ84KfJ4EaAm9608N/view?usp=drivesdk
Yes, I know - you have 75% Korean pie with leftovers from Amazon Oreo (your abl misc and ftm partitions are still from Oreo while the rest is from Pie).
You can enter into 9008 mode for JTAG flashing so just contact the guy and ask him to flash to you back amazon LAF partition, afterwards you will have properly working download mode and you can restore the whole amazon kdz.
@vlad48 I am in the same situation, however mine is the AT&T variety, I tried swapping to boot_b a couple times and no luck. Is my only option to do the 9008 mode for JTAG flashing?
E: I have backups of Boot_a/b, abl_a/b, and xdl_a/b if that is worth anything. However my phone isn't detected by LGUP anymore. I was on oreo 8.0.0 with the july 2018 security update.
Yes - the only way apart from sending it back to AT&T is to flash back your Oreo partitions via JTAG - in your case easiest way will be to re-lash US Open KDZ.
a_al_khaled1 said:
In the beginning I wanted to upgrade my device to 9.0 ( Korean version ) then when i Update my phone Through LGUP show error message (Approximately 75%)
Then I turn off the phone Then when I want to get in Downloading mode Is directed to fastboot
so I stuck in fastboot
please HELP
Click to expand...
Click to collapse
I can't get into fastboot.
Shawnashley said:
I can't get into fastboot.
Click to expand...
Click to collapse
What variant do you have?
If you're running AT&T firmware, you don't have fastboot flash commands.
You have to convert to another firmware via Dev Patched LGUP.
ChazzMatt said:
What variant do you have?
If you're running AT&T firmware, you don't have fastboot flash commands.
You have to convert to another firmware via Dev Patched LGUP.
Click to expand...
Click to collapse
Is there a specific firmware you would recommend? Thanks in advance
Shawnashley said:
Is there a specific firmware you would recommend? Thanks in advance
Click to expand...
Click to collapse
The AT&T V35 I bought from @bacon612 was flashed to Google Fi firmware.
This or US unlocked 'i' are good candidates.
https://lg-firmwares.com/downloads-file/19020/V350ULM10i_00_NAO_US_OP_0221.kdz
Takes ages to download...
The above is US Unlocked firmware for the v35 Feb Security patch.
Sent from my GM1915 using Tapatalk
ChazzMatt said:
The AT&T V35 I bought from @bacon612 was flashed to Google Fi firmware.
Click to expand...
Click to collapse
bacon612 said:
This or US unlocked 'i' are good candidates.
https://lg-firmwares.com/downloads-file/19020/V350ULM10i_00_NAO_US_OP_0221.kdz
Takes ages to download...
The above is US Unlocked firmware for the v35 Feb Security patch.
Sent from my GM1915 using Tapatalk
Click to expand...
Click to collapse
I'm going to look into that one. Thanks for the recommendation. Also, I was able to use LGUP to flash the Korean KDZ. It seemed to work fine, and does now. It flashed perfect, my data was intact until I had to restart my phone a while later and then it was all gone. Looked factory out of the box. However it is smooth as a baby's bottom now.
Shawnashley said:
I'm going to look into that one. Thanks for the recommendation. Also, I was able to use LGUP to flash the Korean KDZ. It seemed to work fine, and does now. It flashed perfect, my data was intact until I had to restart my phone a while later and then it was all gone. Looked factory out of the box. However it is smooth as a baby's bottom now.
Click to expand...
Click to collapse
Which version of LGUP you used? and dll file PLz

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