[Q] LG G2 D802 Bricked..help me please - G2 Q&A, Help & Troubleshooting

Hi!
I managed to get my device totally bricked.
Phone is on bootloop and I only get LG logo and then "Security Error" message. I can't enter recovery mode or download mode. Only mode I'm able to go is the "Hardware key control mode" mode, where I can see my IMEI code. I can't get windows or linux to recognize my phone. I've tried several drivers, but no luck getting my laptop recognize my phone. I have also tried couple of tutorials to solve this problem, but the main problem seems to be that I can't get my laptop to recognize my phone.
Is there anything I could do or should I just buy a new phone?

Hi Jutei,
What led to this bricking? Were you trying to install a ROM? Which ROM was it? Was it a wrong variant? Please be specific as to what you did to brick it..
Also, some people have seen success by installing this driver. Are you familiar with ADB?

y
Hi deathbytalkshow!
I ended up to this stage by rooting with this (http://forum.xda-developers.com/showthread.php?t=2448887) and trying to flash with this (http://forum.xda-developers.com/lg-g2/development-d802/rom-xenonhd-d802-t3036576).
First I wiped data and cache. Then rooted and it went trough with no problems. I tried to flash with this https://play.google.com/store/apps/details?id=com.koushikdutta.rommanager. It booted to recovery and started flashing. Soon it said that flashing failed and after reboot I found myself in this bootloop.
Hope this helps someone to help me.

Try this:
1. Turn phone off.
2. Press POWER+VOL DOWN
3. When LG Logo appears, immediately release POWER+VOL and press and hold VOL UP+VOL DOWN

4r44444 said:
Try this:
1. Turn phone off.
2. Press POWER+VOL DOWN
3. When LG Logo appears, immediately release POWER+VOL and press and hold VOL UP+VOL DOWN
Click to expand...
Click to collapse
Hi, I tried this and got to the factory reset window. It started to do reset, but pretty soon it booted and went back to bootloop. So this didn't help. I'll try those ADB drivers today.

Hi, tried adb drivers, but no luck. My laptop still doesn't recognize my phone. USB gives power, but beside that windows doesn't seems to notice that my device is plugged. Is there anything else I could try?

so you didnt make a backup before flashing? what recovery did you flash? i bricked my phone with rom manager before and will never use it again but i had a backup and was still able to get it to eventually boot into twrp to restore.
Sent from my LG-VS980 using XDA Free mobile app
---------- Post added at 10:38 AM ---------- Previous post was at 10:36 AM ----------
also if you never turned on usb debugging i dont think you can get a computer to see it unless its fully booted.
Sent from my LG-VS980 using XDA Free mobile app

jfletch86 said:
so you didnt make a backup before flashing? what recovery did you flash? i bricked my phone with rom manager before and will never use it again but i had a backup and was still able to get it to eventually boot into twrp to restore.
Click to expand...
Click to collapse
Yeah, I was stupid enough not to backup. The recovery was the stock one. Is that where I went wrong? Should I've had custom recovery installed?
jfletch86 said:
also if you never turned on usb debugging i dont think you can get a computer to see it unless its fully booted.
Click to expand...
Click to collapse
I turned usb-debugging was on before phone got bricked. I think the phone should be found somehow on computer. For example this fix (http://forum.xda-developers.com/showthread.php?p=48765620#post48765620) needs Linux to recognize the phone, but I can't even do that. I guess the problem here is that my phone won't enter the download mode. I'm going to try with couple of different computers when I get back home from my holidays.
I also found another fix to try. I have to drain the battery and after a little re-charge I should be able to enter the download mode. I'm trying this next.

yes thats where you made your mistake. that also makes me think download mode wont work period, but im not positive. im surprised rom manager even tried to flash anything without a recovery. thats why i dont use apps like that anymore because you wouldnt of been able to **** it up that bad on your own. so you said you tried the key combo to take you to the factory restore? if you didnt flash a recovery then i would think you could get that to work. did you look into lg's flash tool? maybe that will somehow read it. i remember seeing a post in the general forum about a way to take the phone apart and short the chip out but ive never had to actually read it so i couldnt tell you whats all involved. sorry bout your phone.
Sent from my LG-VS980 using XDA Free mobile app
---------- Post added at 11:53 AM ---------- Previous post was at 11:49 AM ----------
i forgot to read your link, just now did, why do you say you cant do that?
Sent from my LG-VS980 using XDA Free mobile app

Well, I just got myself in the same boat.
The phone will show the LG Logo then the security error and shut down. When plugged in with a USB to the PC it will just reboot.
Nothing is showing in Device Manager either. I done the same in the stock recovery and I tried to Side load CM12 it failed and straight into this loop.
I got nothing now. I just done see how shorting circuits will fix the issue when it's just software. Absolute nightmare as the 12 months warranty has gone.
I tried to do a hard reset and I get the android man saying its working then it shuts down and starts the error again. I'm unable to get in the Download Mode either and I'm stuck
I don't know what to do now. The flash and Support tool will not recognize the phone.

jfletch86, I tried LG Flash Tool, but the problem is that it just says no devices found. Same problem with fix I linked, I can't do anything to my phone if my laptop doesn't find it. I'm beginnig to loose hope

DvineDNO said:
Well, I just got myself in the same boat.
The phone will show the LG Logo then the security error and shut down. When plugged in with a USB to the PC it will just reboot.
Nothing is showing in Device Manager either. I done the same in the stock recovery and I tried to Side load CM12 it failed and straight into this loop.
I got nothing now. I just done see how shorting circuits will fix the issue when it's just software. Absolute nightmare as the 12 months warranty has gone.
I tried to do a hard reset and I get the android man saying its working then it shuts down and starts the error again. I'm unable to get in the Download Mode either and I'm stuck
I don't know what to do now. The flash and Support tool will not recognize the phone.
Click to expand...
Click to collapse
Oh man, I'm sorry to hear that you are in the same boat. Symptoms are the same. It seems that we have bricked our phones pretty badly. Hopefully someone comes up with fix that works. Problem is that anyone wise enough to fix this isn't stupid enough to end up this stage.

I'm hoping the same too. I just don't know why it wont allow me to do anything.
I have a nexus 4 and I've never had a problem.
I am getting nothing when plugged into my PC and its like the phone is turning on and off in the boot loop and the lg symbol.
I get the hard reset menu but the computer still doesn't recognise.
I just feel sick at the moment !!

jutei said:
jfletch86, I tried LG Flash Tool, but the problem is that it just says no devices found. Same problem with fix I linked, I can't do anything to my phone if my laptop doesn't find it. I'm beginnig to loose hope
Click to expand...
Click to collapse
are u saying you tried the ubuntu/linux fix? if that doesnt work then nothing will.
Sent from my LG-VS980 using XDA Free mobile app

Well, I just got myself in the same boat.
The phone will show the LG Logo then the security error and shut down. When plugged in with a USB to the PC it will just reboot.
Nothing is showing in Device Manager either. I done the same in the stock recovery and I tried to Side load CM12 it failed and straight into this loop.
I got nothing now. I just done see how shorting circuits will fix the issue when it's just software. Absolute nightmare as the 12 months warranty has gone.
I tried to do a hard reset and I get the android man saying its working then it shuts down and starts the error again. I'm unable to get in the Download Mode either and I'm stuck
I don't know what to do now. The flash and Support tool will not recognize the phone.
Click to expand...
Click to collapse
what were you doing, what steps did you do up until this?

got similar problem, g2 stuck on boot loop (going from custom rom back to stock) can enter download mode, cant enter recovery. help needed

ok, after 2 days of ****ing with boot loop... its gone, if u r on d802 eu open and got some questions... mabye i can help

my lg g2 is also stuck in bootloop and flashing rom wont fix it. the only improvement it have shown is android doodle and back to logo screen. please help me out.

taimurarbab said:
my lg g2 is also stuck in bootloop and flashing rom wont fix it. the only improvement it have shown is android doodle and back to logo screen. please help me out.
Click to expand...
Click to collapse
are you using the right bootloader for the rom you are flashing?
Sent from my LG-VS980 using XDA Free mobile app

jfletch86 said:
are you using the right bootloader for the rom you are flashing?
Sent from my LG-VS980 using XDA Free mobile app
Click to expand...
Click to collapse
i have no idea. please guide me through it.

Related

OTA Bootloop Help

I have a Verizon LG G2 I tried to flash my backed up stock recovery with Flashify so I could flash the most recent OTA. After accepting the OTA update my phone restarted, tried to install the update, hung at a black screen but was still turned on. If I power it off and back on it shows the LG logo, some white text, then goes to the same black screen. What appears to be happening is that my backup recovery did not restore properly and it's hanging when it tries to go into recovery. It's almost like my recovery partition is blank.
I've tried to follow the instructions to flash back to stock, but I do not believe I'm actually able to get my phone into download mode. When it is plugged into my windows 7 computer with the LG drivers installed it shows up in device manager as QHSUSB_BULK.
Is there any way for me to push a stock recovery, or even a custom recovery to my phone so I can somehow salvage it, or am I permanently bricked?
toopty said:
I have a Verizon LG G2 I tried to flash my backed up stock recovery with Flashify so I could flash the most recent OTA. After accepting the OTA update my phone restarted, tried to install the update, hung at a black screen but was still turned on. If I power it off and back on it shows the LG logo, some white text, then goes to the same black screen. What appears to be happening is that my backup recovery did not restore properly and it's hanging when it tries to go into recovery. It's almost like my recovery partition is blank.
I've tried to follow the instructions to flash back to stock, but I do not believe I'm actually able to get my phone into download mode. When it is plugged into my windows 7 computer with the LG drivers installed it shows up in device manager as QHSUSB_BULK.
Is there any way for me to push a stock recovery, or even a custom recovery to my phone so I can somehow salvage it, or am I permanently bricked?
Click to expand...
Click to collapse
I have the same exact problem. exactly the same. mine doesnt even show up for download mode. this sucks!
cgillie92 said:
I have the same exact problem. exactly the same. mine doesnt even show up for download mode. this sucks!
Click to expand...
Click to collapse
I'm still trying to find a solution I will post here if i have any luck. I've dug through a lot of forum posts and I think what makes us unique is the fact that we have a corrupt or blank recovery partition.
toopty said:
I'm still trying to find a solution I will post here if i have any luck. I've dug through a lot of forum posts and I think what makes us unique is the fact that we have a corrupt or blank recovery partition.
Click to expand...
Click to collapse
Ive looked through a lot too. and its crazy how that would happen i made sure it was rebooting correctly before i took the ota and then when i did the ota bam! only screens i can get to come up are the hardware key control mode and the factory hard reset which both go to white screens after I do them both. every one else probably has not taken the ota.
cgillie92 said:
Ive looked through a lot too. and its crazy how that would happen i made sure it was rebooting correctly before i took the ota and then when i did the ota bam! only screens i can get to come up are the hardware key control mode and the factory hard reset which both go to white screens after I do them both. every one else probably has not taken the ota.
Click to expand...
Click to collapse
One difference in what mine is doing and what your phone is doing. I go to a solid black screen not a white screen. It's very hard to tell my phone is even turned on. I'm having to look if the back-light to verify if it's on or not. I can hold my power button for 10 seconds through one LG logo cycle and then it turns off.
toopty said:
One difference in what mine is doing and what your phone is doing. I go to a solid black screen not a white screen. It's very hard to tell my phone is even turned on. I'm having to look if the back-light to verify if it's on or not. I can hold my power button for 10 seconds through one LG logo cycle and then it turns off.
Click to expand...
Click to collapse
I hope someone helps us out. I really cant afford a new one because the warranty is void. I was going back to stock because of all of the little bugs that need to be ironed out in roms. cause kit kat is around the corner hopefully and my problem virtually is the same i might have had my brightness on auto or something prior to that.
Foolow this tutorial to get your phone back.
http://forum.xda-developers.com/showthread.php?p=48765620
Partager.info said:
Foolow this tutorial to get your phone back.
http://forum.xda-developers.com/showthread.php?p=48765620
Click to expand...
Click to collapse
Thanks for the link. I'm tryingto follow the instructions,but when I get to the step where i plug in my phone it just showes up as a bunch of failes partitions, and slows my ubuntu to a crawl. I'm a linux noob, is there a command i can run to stop this from happening? I also created a reply asking this question in the link you sent me.
Thanks for the help.
Partager.info said:
Foolow this tutorial to get your phone back.
http://forum.xda-developers.com/showthread.php?p=48765620
Click to expand...
Click to collapse
After following the instructions on the above link i was able to get fastboot status on my phone. It did not fully restore my phone however. I was able to flash twrp via fastboot. I was then able to boot into twrp and run the command at this link via twrp terminal http://forum.xda-developers.com/showthread.php?t=2451696
Thanks to everyone for all your help.
toopty said:
Thanks for the link. I'm tryingto follow the instructions,but when I get to the step where i plug in my phone it just showes up as a bunch of failes partitions, and slows my ubuntu to a crawl. I'm a linux noob, is there a command i can run to stop this from happening? I also created a reply asking this question in the link you sent me.
Thanks for the help.
Click to expand...
Click to collapse
How did you get past the ubuntu slowing down? I cant win for ubuntu freezing due to all of the failed partitions either so close but yet so far =/
cgillie92 said:
How did you get past the ubuntu slowing down? I cant win for ubuntu freezing due to all of the failed partitions either so close but yet so far =/
Click to expand...
Click to collapse
Ignore all the message, unplug you phone get ready to type the command, plug it in and immediately press enter to run the command. it took some trial and error, and i had to use this other post to help me out. I actually got fastboot working first, then used this post to http://forum.xda-developers.com/showthread.php?t=2477595 to get download mode working, and to flash twrp recovery. After that i used this post to run the command line from with twrp. http://forum.xda-developers.com/showthread.php?t=2451696 . I didn't have to flash the factory tot to my phone, but i have that option now because download mode is working. This process will work, there is hope for you getting your phone back. I'm fully recovered. I decided 12B is not worth it in the mean time, but if you want 12B you need to flash the factory tot and then upgrade. There is a way to root 12B, but as of this time you are unable to get Custom Recovery on it.

lg mobile support tool stuck at 49%

i tried going back to stock firmware using the method in general section but i always seem to get an error at 49%. can someone explain how to get passed this.
i using the t-mobile d801.
also my recovery seemed to have gotten erased because i cant boot into twrp anymore.
LG G2 Stuck @ 49%
El Killer said:
i tried going back to stock firmware using the method in general section but i always seem to get an error at 49%. can someone explain how to get passed this.
i using the t-mobile d801.
also my recovery seemed to have gotten erased because i cant boot into twrp anymore.
Click to expand...
Click to collapse
HEY! I'm on the d801 as well and I've been where you're at a number of times, unfortunately. But I've always gotten out. Here's the conclusion I've reached. Trying to flash directly back to stock without wiping all the partitions first is what makes the RDTool get stuck. It's like the phone runs out of memory and can't host a full Gig+ of data since your last ROM is in the way. Sorry if I'm wrong but I'm only assuming you didn't wipe everything except the Internal storage. The good thing every time this has happened to me is that your recovery partition should be intact. Mine always is, and we're on the same variant. Another thing, booting back into recovery is not impossible. It's all in the timing it takes from the first time you see the LG logo while holding volume - and the power button, but don't let go. What worked for me was to let the phone cycle between off and boot power states twice until the phone is completely off again. You may even notice the LED indicator flash red. Release your keys if the phone stays off and immediately hold the combo down again until the phone tries to boot again just don't let go of the buttons. Once it powers down again, leave the phone alone for a few minutes. Come back and this time get ready to boot into recovery. The combo button press will initiate boot but don't let go until the next time you see the LG logo flash, then quickly release and depress the vol down power up combo and hold. May take a minute longer than usual but the reset menu should pop up thereafter. Tap power 2 more times and you should back into recovery. It's worked every time for me. Let me know if you're good and whether this helped!
Good Luck,
tinydynamite00
try with x86
El Killer said:
i tried going back to stock firmware using the method in general section but i always seem to get an error at 49%. can someone explain how to get passed this.
i using the t-mobile d801.
also my recovery seemed to have gotten erased because i cant boot into twrp anymore.
Click to expand...
Click to collapse
i had exact same issue that progress stucked on 49%. if you are using 64bit OS, try to flash it with 32bit(x86) OS
good luck
tinydynamite00 said:
HEY! I'm on the d801 as well and I've been where you're at a number of times, unfortunately. But I've always gotten out. Here's the conclusion I've reached. Trying to flash directly back to stock without wiping all the partitions first is what makes the RDTool get stuck. It's like the phone runs out of memory and can't host a full Gig+ of data since your last ROM is in the way. Sorry if I'm wrong but I'm only assuming you didn't wipe everything except the Internal storage. The good thing every time this has happened to me is that your recovery partition should be intact. Mine always is, and we're on the same variant. Another thing, booting back into recovery is not impossible. It's all in the timing it takes from the first time you see the LG logo while holding volume - and the power button, but don't let go. What worked for me was to let the phone cycle between off and boot power states twice until the phone is completely off again. You may even notice the LED indicator flash red. Release your keys if the phone stays off and immediately hold the combo down again until the phone tries to boot again just don't let go of the buttons. Once it powers down again, leave the phone alone for a few minutes. Come back and this time get ready to boot into recovery. The combo button press will initiate boot but don't let go until the next time you see the LG logo flash, then quickly release and depress the vol down power up combo and hold. May take a minute longer than usual but the reset menu should pop up thereafter. Tap power 2 more times and you should back into recovery. It's worked every time for me. Let me know if you're good and whether this helped!
Good Luck,
tinydynamite00
Click to expand...
Click to collapse
still no luck
El Killer said:
still no luck
Click to expand...
Click to collapse
OK. So tell me, what ROM were you on, which recovery version and name are you using, why were you flashing back to stock, i.e. were you having problems, what kind. Explain as much as you can in detail. Need to retrace your exact steps to best get you fixed up!
tinydynamite00
tinydynamite00 said:
OK. So tell me, what ROM were you on, which recovery version and name are you using, why were you flashing back to stock, i.e. were you having problems, what kind. Explain as much as you can in detail. Need to retrace your exact steps to best get you fixed up!
tinydynamite00
Click to expand...
Click to collapse
i was using pa4.0 and wanted to go back to stock because i preffered the lg ui. i had twrp 2.6.3.5 i restored my back up of stock but when i rebooted i got into fastboot mode.
twrp wasnt working after i had restored my back up go straight to fastboot was stuck in fastboot until i found a thread explaining how to get out of fastboot and restore download mode.
managed to get download mode working and tried to flash stock with mobile support tool and got the 49 percent error,
my phone never really displayed any progress just says download mode with a white box and blue dots
El Killer said:
i was using pa4.0 and wanted to go back to stock because i preffered the lg ui. i had twrp 2.6.3.5 i restored my back up of stock but when i rebooted i got into fastboot mode.
twrp wasnt working after i had restored my back up go straight to fastboot was stuck in fastboot until i found a thread explaining how to get out of fastboot and restore download mode.
managed to get download mode working and tried to flash stock with mobile support tool and got the 49 percent error,
my phone never really displayed any progress just says download mode with a white box and blue dots
Click to expand...
Click to collapse
K, now if you're only seeing the blue dots when you attach by USB your phone to PC, then you're not fully in DL mode to process the kdz. You should see a white wheel in the center of the screen when you connect and a viewing mirror near the base of your phone with ROOTED in red directly below that. And you're sure your PC is detecting your phone? You've the drivers installed? Because when RDT tells you to run the tool, you'll see some binary code in the viewing window I spoke of, the white wheel will turn and below it will be shown the COM port to which you're connected and a solid thin red bar will begin to fill a space in the viewer showing you the progress.
Also, be sure when attempting the first steps I gave you to boot into recovery that you are not USB connected. It won't work.
And, try to remember if your phone was well enough charged, should have been at least 80% full. It happened to me once that I couldn't boot recovery and my phone would go to fastboot like yours until I left it alone to charge and then I repeated the stepsvi laid out to get back into recovery. This part is paramount!
Please READ CAREFULLY
I used to be in your same situation. I thought I had bricked my phone for good. I finally figured it out. Here is my solution from my Thread.
Esteef said:
Okay, after 12+ hours of trying every method possible on XDA I finally resolved my issue. I will update the first post just incase any others care or fall into the same dilemma I was in.
The LG Mobile Support tool would not download the firmware and it would NOT ask me for my IMEI to download it either.
So my solution....
***
Installed LG Mobile Support Tool then Installed the LG Drivers. (FROM HERE http://forum.xda-developers.com/showthread.php?t=2471370
BEFORE I connected the phone to the computer. I opened the LG Mobile support tool clicked (Options on the top right).
When the dropped down opened, I clicked the (Upgrade Recovery) option. THEN, is when the prompt opened to ask me what my IMEI is.
Before I entered my IMEI, I connected my phone to the computer in download mode, then proceeded to enter my IMEI and hit OK.
This is when the LG Mobile Support tool SUCCESSFULLY downloaded the latest official LG firmware and installed it.
*** BE AWARE, with the phone connected to the PC, the prompt NEVER appeared to enter my IMEI.
*** But with the phone disconnected, the prompt came up every time. This might be the trick for some people.
*** with the IMEI prompt opened, I then connected the phone , entered the IMEI, then hit OK. BOOM HERPES....
Well I'll polish this up more later. I hope this works for every LG G2 Variant and not just the T-Mobile one (D801)
-Esteef
Click to expand...
Click to collapse
THIS WILL WIPE YOUR PHONE COMPLETELY...
tinydynamite00 said:
K, now if you're only seeing the blue dots when you attach by USB your phone to PC, then you're not fully in DL mode to process the kdz. You should see a white wheel in the center of the screen when you connect and a viewing mirror near the base of your phone with ROOTED in red directly below that. And you're sure your PC is detecting your phone? You've the drivers installed? Because when RDT tells you to run the tool, you'll see some binary code in the viewing window I spoke of, the white wheel will turn and below it will be shown the COM port to which you're connected and a solid thin red bar will begin to fill a space in the viewer showing you the progress.
Also, be sure when attempting the first steps I gave you to boot into recovery that you are not USB connected. It won't work.
And, try to remember if your phone was well enough charged, should have been at least 80% full. It happened to me once that I couldn't boot recovery and my phone would go to fastboot like yours until I left it alone to charge and then I repeated the stepsvi laid out to get back into recovery. This part is paramount!
Click to expand...
Click to collapse
yeah my computer does recognize my phone. but i cant run adb or fastboot anymore. all drivers are installed also.
i never got the while wheel or any progress indicator. so i guees im not really in download mode.
i let my phone charge for a few hours and try your method again and let you know what happens
El Killer said:
yeah my computer does recognize my phone. but i cant run adb or fastboot anymore. all drivers are installed also.
i never got the while wheel or any progress indicator. so i guees im not really in download mode.
i let my phone charge for a few hours and try your method again and let you know what happens
Click to expand...
Click to collapse
Sounds good. A full charge can make all the difference. I learnt the hard way! One or more of us will be along should you need further help.
I do hope you get this sorted! I've come back from the brink too many times to not believe you won't.
tinydynamite00
Do as esteef recommended..
Sent from my LG-D802 using XDA Premium 4 mobile app
Falaco147 said:
Do as esteef recommended..
Sent from my LG-D802 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
im trying but i get a battery to low error. i guess i need to charge it longer
i owe you all a million thanks for helping me unbrick my phone. i really thought i was left with a paper weight and then i tried esteefs method again i really owe you guys thank you for the support
El Killer said:
i owe you all a million thanks for helping me unbrick my phone. i really thought i was left with a paper weight and then i tried esteefs method again i really owe you guys thank you for the support
Click to expand...
Click to collapse
You are welcome... The first time I did it too my battery was at 28% and I panicked since I got the low battery error.
I could of sworn that my phone officially became a paper weight. My heart dropped.
I'm glad you are up and running with the rest of us!
-Esteef
1732359994
hey !
I have the same problem, but... I can't acces to the recovery :/ i tried to install CWM (with Freegee) over Team win recovery and... boot loop :
The rom 4.2.2 flex was gone, no boot animation
-When i pres volum down + power, i have the reset menu, but after that, there is a black screen and it's written at the top left "started usb_start Fastboot Mode ()"
Please, i need your help, i'm so afraid !!
Thx !
Esteef said:
I used to be in your same situation. I thought I had bricked my phone for good. I finally figured it out. Here is my solution from my Thread.
THIS WILL WIPE YOUR PHONE COMPLETELY...
Click to expand...
Click to collapse
I know this thread is a bit old, but it saved my butt. Your method worked perfectly. Thank you for this post.
My LG F460 was bricked (error 570), only download mode was working. Esteef method works fine even my pictures and programs was saved. Thanks!

[Q] Help please!!! I think I brink my phone

I was trying to OTA after rooting my phone and custom recovery. I am stuck as
secure booting unsuccessful
Cause:
I don't know what to do. Any help will be appreciated. I tried to install custom stock G2 using this
http://forum.xda-developers.com/showthread.php?t=2432476
Here is a tread that has what u need... It was in the android dev section. http://forum.xda-developers.com/showthread.php?t=2451696
Sent from my LG-D800 using Tapatalk
BeGrateful said:
Here is a tread that has what u need... It was in the android dev section. http://forum.xda-developers.com/showthread.php?t=2451696
Sent from my LG-D800 using Tapatalk
Click to expand...
Click to collapse
I am not getting that error. I had that problem before, but this is totally different. I get LG red screen then I get this error:
secure booting unsuccessful
Cause:
and then this keep happening. I can go in to firmware update. Nothing much. I tried to use LG g2 stock guide, but no luck either.
When I thought I bricked mine I tried using this
http://forum.xda-developers.com/showthread.php?t=2432476
Its tricky but it worked for me when I couldn't get past bootloader. All you need to be able to do is get into download mode.
Just FYI don't ever take OTAs after flashing custom ROM. They never seem to turn out well.
Sent from my LG-D800 using Tapatalk
BeGrateful said:
When I thought I bricked mine I tried using this
http://forum.xda-developers.com/showthread.php?t=2432476
Its tricky but it worked for me when I couldn't get past bootloader. All you need to be able to do is get into download mode.
Just FYI don't ever take OTAs after flashing custom ROM. They never seem to turn out well.
Sent from my LG-D800 using Tapatalk
Click to expand...
Click to collapse
I tried that too. When I tried that yesterday, It was working, but right now, doing same process seems doing nothing in my device. I can see whole process in computer, but nothing happens device.
Can u get your phone into download mode?
Sent from my LG-D800 using Tapatalk
lipitor25 said:
I was trying to OTA after rooting my phone and custom recovery. I am stuck as
secure booting unsuccessful
Cause:
I don't know what to do. Any help will be appreciated. I tried to install custom stock G2 using this
http://forum.xda-developers.com/showthread.php?t=2432476
Click to expand...
Click to collapse
dude u got custom recovery...boot into there....use adb to push another rom to your phone.
P.S post in Q&A genius
Thank you guys.. I got in to recovery mode and install my back up. Don't know how i got in to recovery mode. I kept pressing different combination. Once again, thank you.
Bricked in a weird way
I think I bricked my phone in a similar way except I can't get into download mode or anything the only thing I can do is go into the hardware control mode and the factory reset mode when I try to factory reset it scrolls on the top right something about boot certification then it disappears and i get a black backlit screen and can do nothing
syfulus said:
I think I bricked my phone in a similar way except I can't get into download mode or anything the only thing I can do is go into the hardware control mode and the factory reset mode when I try to factory reset it scrolls on the top right something about boot certification then it disappears and i get a black backlit screen and can do nothing
Click to expand...
Click to collapse
Hey sorry to hear. I went to reset screen I guess by pressing vol down button (Search online because I was keep pressing combination, so don't know exact combo. Press power button to continue and it will take to recovery screen for TWRP. Then install recovery from back up. Mine started working fine.

[Q] Sprint LG G2 (LS980) Stuck in Bootloop

Well it's been a while since I broke a phone, so here I am!.... again
LS980. TWRP Rooted. Failed CM. Now stuck in boot loop.
I'm running Windows 7 64bit. I have latest LG drivers. Phone can boot into recovery but nothing else. I cannot boot into LG's "Download Mode". I can get into the "Hard Recovery Mode" which doesn't work anyway (Vol Up + Power). From recovery I can select to wipe cash and data and I can select to install from sdcard (no cards on this thing) or from ADB. When selecting ADB and trying to sideload stuff to it, it tries to load but always fails. If I try to push stuff it always comes back :closed
I cannot access any form of Fastboot. All i can do is let is loop or enter recovery. Since it seems to be the only thing I can access, can someone please assist me in what I should be trying to sideload that might get me a step further? I cannot fastboot so anything there isn't an option. Seemingly all I can try to do is sideload something. What... I'm not really sure. And no :crying: I don't have a backup.
Please help!
Dagroth said:
Well it's been a while since I broke a phone, so here I am!.... again
LS980. TWRP Rooted. Failed CM. Now stuck in boot loop.
I'm running Windows 7 64bit. I have latest LG drivers. Phone can boot into recovery but nothing else. I cannot boot into LG's "Download Mode". I can get into the "Hard Recovery Mode" which doesn't work anyway (Vol Up + Power). From recovery I can select to wipe cash and data and I can select to install from sdcard (no cards on this thing) or from ADB. When selecting ADB and trying to sideload stuff to it, it tries to load but always fails. If I try to push stuff it always comes back :closed
I cannot access any form of Fastboot. All i can do is let is loop or enter recovery. Since it seems to be the only thing I can access, can someone please assist me in what I should be trying to sideload that might get me a step further? I cannot fastboot so anything there isn't an option. Seemingly all I can try to do is sideload something. What... I'm not really sure. And no :crying: I don't have a backup.
Please help!
Click to expand...
Click to collapse
I am on verizon. Had this happen to me once. Are you SURE you are hitting the buttons at the right time for download? I have never heard of this failing..on any phone. I would almost bet it's accessible and you aren't hitting it in time..maybe? Good luck!
Still no luck
still looping
Dagroth said:
Still no luck
Click to expand...
Click to collapse
do you have the LG mobile support tool? If so we can use it to get past this, I did it once recently on my G2. If you still need assistance just say so..
geosnipe said:
do you have the LG mobile support tool? If so we can use it to get past this, I did it once recently on my G2. If you still need assistance just say so..
Click to expand...
Click to collapse
I have the exact same issue....I have even used LGFlash tool and I still get the bootloop....it's almost like I my EFS is missing?...my SPC is "null", no MDN, MIN, nothing...PLEASE help....I haven't had a phone in over a week!:crying:
I failed to mention it boots to FTM Mode, shuts down, reboots....repeatedly
Hey so when you try adb sideload it starts up then fails? Have you tried just pushing to recovery with adb also? Universal drivers? Sorry for all the questions just trying to help
cmhphotog said:
I am on verizon. Had this happen to me once. Are you SURE you are hitting the buttons at the right time for download? I have never heard of this failing..on any phone. I would almost bet it's accessible and you aren't hitting it in time..maybe? Good luck!
Click to expand...
Click to collapse
You were right, I was doing it wrong. Once I got into download mode it went easy.
Response to others, I found that if I held vol down by itself long enough, the phone would stop bootlooping and shut off. I could then properly go into download mode.
Thanks for the help
still need help
amphillips82277 said:
I have the exact same issue....I have even used LGFlash tool and I still get the bootloop....it's almost like I my EFS is missing?...my SPC is "null", no MDN, MIN, nothing...PLEASE help....I haven't had a phone in over a week!:crying:
I failed to mention it boots to FTM Mode, shuts down, reboots....repeatedly
Click to expand...
Click to collapse
1. Hold the power button until the device is OFF.
2. Download LG drivers to the PC (LG VZW_United_WHQL_v2.11.1) and LG mobile support tool (B2CAppSetup).
3. Install these packages.
4. Plug in you USB cable into the phone but not the computer.
5. Hold volume up and insert the USB cable to the PC- the phone should boot to 'download mode'.
6. Open the support tool and click Options>Upgrade Recovery, follow the prompts.
7. At the first prompt indentify your phone using IMEI/ESN, then click OK
8. Let it do its thing, the phone will reboot and most likely have a bunch of error messages and some FC's. Just hit okay to all messages, the phone will settle after 2 minutes or so.
9. Download freegee from market and reflash recovery of your choice.
10. Make sure you have a ROM saved to the SD to flash
11. Use freegee to reboot to recovery
12. Once in recovery you can reflash the ROM as normal.
13. Reboot and Profit!
*$* Or you could go back to Stock and start fresh!
*$* BEFORE ANY FLASH ALWAYS STOP and MAKE A NANDROID BACKUP!
Good Luck and if you get stuck let me know
Similar issue
I'm stuck in bootloop, no custom recovery or root. All data has been deleted. I have tried the LG support tool, but it locks up. It also tells me my device is a test model, something bad has happened. I can get into download mode but can't flash stock, via the flash tool. It says wrong device, and at the download screen where my phone says rooted it says the model is a D802! Somehow this info got jacked up! I can almost make it through the D802 flash but it fails also. I only did that to confirm my suspicion that the phone thinks its a different model. I'm open to anything, I've tried it all.
amphillips82277 said:
I have the exact same issue....I have even used LGFlash tool and I still get the bootloop....it's almost like I my EFS is missing?...my SPC is "null", no MDN, MIN, nothing...PLEASE help....I haven't had a phone in over a week!:crying:
I failed to mention it boots to FTM Mode, shuts down, reboots....repeatedly
Click to expand...
Click to collapse
that's what mine did even the tech at the sprint store couldn't fix it they replaced it with this ☟
Sent from my SM-N900P using XDA Premium 4 mobile app
fatboypup said:
that's what mine did even the tech at the sprint store couldn't fix it they replaced it with this ☟
Sent from my SM-N900P using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I think that's my only option. The Note? That's quite the trade off. One last question, did you say rooted at the download screen even though it wasn't?
geosnipe said:
do you have the LG mobile support tool? If so we can use it to get past this, I did it once recently on my G2. If you still need assistance just say so..
Click to expand...
Click to collapse
How? My phone only boots to download or stock recovery. What mode does the phone need to be in for the tool to work? I can get the process started but the tool locks up every time.
jseibert81 said:
I think that's my only option. The Note? That's quite the trade off. One last question, did you say rooted at the download screen even though it wasn't?
Click to expand...
Click to collapse
it still said rooted ... I told the tech straight up it was my fault and mentioned I wished I had gotten the n3 and he said it was on the list as an approved replacement I was stoked
Sent from my SM-N900P using XDA Premium 4 mobile app
Dagroth said:
You were right, I was doing it wrong. Once I got into download mode it went easy.
Response to others, I found that if I held vol down by itself long enough, the phone would stop bootlooping and shut off. I could then properly go into download mode.
Thanks for the help
Click to expand...
Click to collapse
Awesome. Glad to help.
cmhphotog said:
Awesome. Glad to help.
Click to expand...
Click to collapse
How was this resolved?

A8 stuck in bootloop while in download mode...you heard that right!

hello,
i recently flashed a chinese A8 (a8000),it gave a headache following a PIT file issue but it nevertheless completed...assuming it had a battery...i unplugged it while the android robot was cleaning up...it switched off immediately, i tried to boot it, it did... i went to recovery and reset it, then it only goes to charging... so i figured i might have messed it up...so i went to download mode and as it started to flash...it rebooted...Odin gave write error and the phone rebooted to a 'error has occurred...' BSOD. the problem now is, it stays on for 10 seconds and reboots again to the same message, AND if i go to Download Mode, same thing , it wont stay on long enough for me to flash anything to it. and the phone wont boot unless i plug it..i hope its a software issue... if there is a solution i need it badly!!!! Thanks!!
That's a tough one. It loops and gives error on both download mode, recovery mode, and when booting to system? And power needs to be connected to make it boot at all?
Sent from my Honor 5X using Tapatalk
tys0n said:
That's a tough one. It loops and gives error on both download mode, recovery mode, and when booting to system? And power needs to be connected to make it boot at all?
Sent from my Honor 5X using Tapatalk
Click to expand...
Click to collapse
Yes, and it crashed while flashing so ony have access to 10 seconds of download mode. Never heard of this issue or i don't know the magic "google" word for it.
go to samsung or replace battery
FitseMan said:
hello,
i recently flashed a chinese A8 (a8000),it gave a headache following a PIT file issue but it nevertheless completed...assuming it had a battery...i unplugged it while the android robot was cleaning up...it switched off immediately, i tried to boot it, it did... i went to recovery and reset it, then it only goes to charging... so i figured i might have messed it up...so i went to download mode and as it started to flash...it rebooted...Odin gave write error and the phone rebooted to a 'error has occurred...' BSOD. the problem now is, it stays on for 10 seconds and reboots again to the same message, AND if i go to Download Mode, same thing , it wont stay on long enough for me to flash anything to it. and the phone wont boot unless i plug it..i hope its a software issue... if there is a solution i need it badly!!!! Thanks!!
Click to expand...
Click to collapse
I also had a bad experience with a chinese version of a J3 Pro. Luckly I revive it from a chinese forum (google translate... it was a pain in the a..) and succesfully flash a ROM (I didn't find anything on xda).
On that forum were detailes about win drivers version, odin version and so on! Don't ask me what site/forum it was because it was purely random based on google translate...
Keep trying on chinese forums to find a solution, I don't think here you can find anything to use on chinese versions!

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