[Q] Bootloader Unlocking - AT&T LG Optimus G

Im on jellybean 4.1.2. Can anybody guide me how i can unlock its bootloader? The guide I've found are all about ICS.
Sent from my GT-I8160 using Tapatalk

Phone rooted but unable to recovery mode
I have rooted my phone but unable to go in recovery mode i have tried power and volume button just screen blink 2 times but phone turn on normal , please help in install custom rom KITKAT in my lg e970
, please someone can help

arhamiq said:
Im on jellybean 4.1.2. Can anybody guide me how i can unlock its bootloader? The guide I've found are all about ICS.
Sent from my GT-I8160 using Tapatalk
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Related

[H] Iverted screen after flashing

I was rooting on ICS beacuse I wanted to flash a custom JB ROM. Everything just messed up. I flashed an incorrect kdz.. Magically my phone didn't brick but now everything is inverted (mirrored). I have flashed several Stock firmwares and the issue still remains.
Is any fix for this? Please help!!
jics91 said:
I was rooting on ICS beacuse I wanted to flash a custom JB ROM. Everything just messed up. I flashed an incorrect kdz.. Magically my phone didn't brick but now everything is inverted (mirrored). I have flashed several Stock firmwares and the issue still remains.
Is any fix for this? Please help!!
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Click to collapse
Did you unlock your bootloader yet? There's a thread with the solution to the inverted touchscreen issue: http://forum.xda-developers.com/showpost.php?p=40121966&postcount=7
Inverted screen will stay but you can power on the screen and then off upon boot and it will disappear until next time you reboot. If you want to restore everything to normal and don't mind losing your unlocked bootloader you can flash the stock u-boot.img via fastboot. You'll have to google this forum for the file and instructions.
jics91 said:
I was rooting on ICS beacuse I wanted to flash a custom JB ROM. Everything just messed up. I flashed an incorrect kdz.. Magically my phone didn't brick but now everything is inverted (mirrored). I have flashed several Stock firmwares and the issue still remains.
Is any fix for this? Please help!!
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Click to collapse
Same thing happed to my phone, this worked for me.
http://forum.xda-developers.com/showthread.php?p=39268215
Sent from my LG-P769 using xda app-developers app
colejthompson said:
Same thing happed to my phone, this worked for me.
http://forum.xda-developers.com/showthread.php?p=39268215
Sent from my LG-P769 using xda app-developers app
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thanks, but how did you manage to do ''adb shell.... typing from terminal? I need root to do this steps.
Root with lelus method then you can fix screen. Can't do anything about it without root.
Sent from my LG-P769 using xda premium
Tablechair said:
Root with lelus method then you can fix screen. Can't do anything about it without root.
Sent from my LG-P769 using xda premium
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Click to collapse
If your model is LG-P769, please refer to this thread after you have rooted.
http://forum.xda-developers.com/showthread.php?t=2260094
You need to get rooted using Lelus method.
Regards.
Vrance

[Q] New to the Optimus Line looking for help on several things

Hi, just bought my first Optimus L9 769 not new to android i understand adb and the phone is rooted runnin 4.1.2 stock rom
First question how do i determine if my bootloader is locked
Second if it is locked easiest metheod to unlock it
Third is the cm 10.1 an official or a port and do i need an unlocked bootloader to run it
p.s. i havent been on the rooting side of things for about a year and half and this locked bootloader crap is new all my previous phones didnt have this issue...
yungvilleprod said:
Hi, just bought my first Optimus L9 769 not new to android i understand adb and the phone is rooted runnin 4.1.2 stock rom
First question how do i determine if my bootloader is locked
Second if it is locked easiest metheod to unlock it
Third is the cm 10.1 an official or a port and do i need an unlocked bootloader to run it
p.s. i havent been on the rooting side of things for about a year and half and this locked bootloader crap is new all my previous phones didnt have this issue...
Click to expand...
Click to collapse
1. Its locked. Trust me.
2. Go to carloswii5's thread and follow the steps. Go HERE
3. We have a port, and yes you need to unlock bootloader. Cm10.1 for 769 HERE
Sent from my LG-P769 using Tapatalk 4
geeshiet said:
1. Its locked. Trust me.
2. Go to carloswii5's thread and follow the steps. Go HERE
3. We have a port, and yes you need to unlock bootloader. Cm10.1 for 769 HERE
Sent from my LG-P769 using Tapatalk 4
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does someone have like written directions its kinda hard to hear what he's saying in the video
Outdated guide post deleted
Eddiejo6 said:
Here's a written guide by the same guy. Just a heads up that this is a long process and you should put off a day to do this. http://forum.xda-developers.com/showthread.php?t=2370835
Sent from my LG-P760 using xda app-developers app
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That guide doesn't work.
Sent from my LG-P769 using Tapatalk 4
geeshiet said:
That guide doesn't work.
Sent from my LG-P769 using Tapatalk 4
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It doesn't? Then I'm sorry but I know that there's a way to open the boot loader by flashing an P760 kdz then open bootloader then flash back but I think that made the screen mirror all the time.
Sent from my LG-P760 using xda app-developers app

Bootloader unlock in v20 b. P765

I am rooted,but with locked bootloader which is the easiest way to unlock bootloader ? I dont even have a custom recovery ,i rooted this using lgpwn app .someone help!
Sent from my LG-P765 using Tapatalk 2
mahesh48 said:
I am rooted,but with locked bootloader which is the easiest way to unlock bootloader ? I dont even have a custom recovery ,i rooted this using lgpwn app .someone help!
Sent from my LG-P765 using Tapatalk 2
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Click to collapse
I unlocked my bootloader using this guide
http://forum.xda-developers.com/showthread.php?t=2221102
But i unlocked V20a India. V20b can be unlocked or not I cant say . but u can try, Make sure u install the fast boot driver correctly as per the guide

[Q] p 765 lg security error after cm 10.2 flash

Hello i got an lg p765 canadian wind version today. I successfully rooted and installed cwm. I flashed cm 10.2 stupidly i forgot to wipe first my son was crying i was rushing anywho i am stuck with lg security error screen now...do i have any options or am i screwed? Thanks for any help in advance.
ISITBRICKED said:
Hello i got an lg p765 canadian wind version today. I successfully rooted and installed cwm. I flashed cm 10.2 stupidly i forgot to wipe first my son was crying i was rushing anywho i am stuck with lg security error screen now...do i have any options or am i screwed? Thanks for any help in advance.
Click to expand...
Click to collapse
You need to unlock bootloader to flash custom roms or u will end up in security error!!! You can use lg recovery tool to get your phone back to working.
Please check forum before positing new threads, your problem will be solved somewhere. No offence.
Sent from my LG-P760 using xda app-developers app
Gh0sT.RPG said:
You need to unlock bootloader to flash custom roms or u will end up in security error!!! You can use lg recovery tool to get your phone back to working.
Please check forum before positing new threads, your problem will be solved somewhere. No offence.
Sent from my LG-P760 using xda app-developers app
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Lg recovery tool will try that when i get home. Ty no offense taken, i did do a search and found some threads but diff scenarios didnt know which method to go with so lg recovery will revert to original then i need some bootunlocker?
After lg recovery fixes your phone, then you can try for unlocking bootloader, but be careful it will void ur warranty. So if warranty is of no concern, go ahed and unlock bootloader.
Sent from my LG-P760 using xda app-developers app

[Q] I'm Stupid (bootloader locked and flashing)

First of all, I'm spanish, my apologizes of my expresions or misspelling.
That's what I've done:
1 - I've checked if my bootloader was unlockable, and my phone say's: NO
2 - Then I've installed the DualRecovery W/O root and with my phone bootlocked.
3 - Then I've tryed to flash CM11 in TWRP recovery, flashing first the Boot.img via fastboot.
4 - Device in Red Light.
What I can do to woke up my Z2? That's my record 2 hrs to **** my phone. :silly:
Firstly, it's stated in the first post of the CM11 thread that you shouldn't be using dual recovery. If you read the thread further, you'll see that it is recommended to use the recovery in DooMKernel to flash. And this requires unlocked bootloader.
Anyways, you can try using Flashtool to flash a stock firmware. Might be able to recover your phone.
xavisaldana said:
First of all, I'm spanish, my apologizes of my expresions or misspelling.
That's what I've done:
1 - I've checked if my bootloader was unlockable, and my phone say's: NO
2 - Then I've installed the DualRecovery W/O root and with my phone bootlocked.
3 - Then I've tryed to flash CM11 in TWRP recovery, flashing first the Boot.img via fastboot.
4 - Device in Red Light.
What I can do to woke up my Z2? That's my record 2 hrs to **** my phone. :silly:
Click to expand...
Click to collapse
If your BL is locked, you cannot install CM.... coz you cannot install a custom kernel. you should rebuild your phone using SEUS to put a good ROM.
Then you can put whatever ROM you want for LB and root it. but no custom kernel.
http://forum.xda-developers.com/showthread.php?p=53968631
Try here, there is a recover/unbrick tutorial
Sent from my D6503 using XDA Premium 4 mobile app
Envious_Data said:
http://forum.xda-developers.com/showthread.php?p=53968631
Try here, there is a recover/unbrick tutorial
Sent from my D6503 using XDA Premium 4 mobile app
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Hi there,
Is there any way to get root access without unlocking the bootloader. I found some ways in XDA but nothing is clear.
I would really appreciate if you guys can send me a link with a clear tutorial of how to get a new ROM without unlocking the bootloader.
I just got my Z2 which is sim locked (UK) and I can't unlock the bootloader from the official page.
Many thanks,
tux
tuxiqul said:
Hi there,
Is there any way to get root access without unlocking the bootloader. I found some ways in XDA but nothing is clear.
I would really appreciate if you guys can send me a link with a clear tutorial of how to get a new ROM without unlocking the bootloader.
I just got my Z2 which is sim locked (UK) and I can't unlock the bootloader from the official page.
Many thanks,
tux
Click to expand...
Click to collapse
Root For Locked Bootloaders (noted to work fine on all FWs)
http://forum.xda-developers.com/showthread.php?p=53420860
Recovery For locked bootloaders
http://forum.xda-developers.com/showthread.php?t=2785598
Sent from my D6503 using XDA Premium 4 mobile app
Envious_Data said:
Root For Locked Bootloaders (noted to work fine on all FWs)
http://forum.xda-developers.com/showthread.php?p=53420860
Recovery For locked bootloaders
http://forum.xda-developers.com/showthread.php?t=2785598
Sent from my D6503 using XDA Premium 4 mobile app
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Click to collapse
Thanks a lot mate. I'll give a try to the first url, hopefully I won't brake it.
Many thanks,
Tux
Edit. I have 17.1.1.A.0.402. Anyone tried to root it ? It says it doesn't work.
tuxiqul said:
Thanks a lot mate. I'll give a try to the first url, hopefully I won't brake it.
Many thanks,
Tux
Edit. I have 17.1.1.A.0.402. Anyone tried to root it ? It says it doesn't work.
Click to expand...
Click to collapse
Root with the Easy Root Tool, worked like a charm for me : http://forum.xda-developers.com/showthread.php?t=2784900
tuxiqul said:
Hi there,
Is there any way to get root access without unlocking the bootloader. I found some ways in XDA but nothing is clear.
I would really appreciate if you guys can send me a link with a clear tutorial of how to get a new ROM without unlocking the bootloader.
I just got my Z2 which is sim locked (UK) and I can't unlock the bootloader from the official page.
Many thanks,
tux
Click to expand...
Click to collapse
Yeah, working right now, then 3 questions more:
first: the phone comes with a Vodafone rom, I can put some "unbranded" rom? how?
second: I can't unlock my bootloader forever ??
and third: What is the function of recovery mode if I can't flash any cRom? Just backups?
Thanks all ^^
xavisaldana said:
Yeah, working right now, then 3 questions more:
first: the phone comes with a Vodafone rom, I can put some "unbranded" rom? how?
second: I can't unlock my bootloader forever ??
and third: What is the function of recovery mode if I can't flash any cRom? Just backups?
Thanks all ^^
Click to expand...
Click to collapse
You can download a Generic FTF and use flashtool to flash it to your device
Once you unlock your bootloader it stays unlock till you relock
You can flash roms n manage general other stuff from recovery
Sent from my D6503 using XDA Premium 4 mobile app
Envious_Data said:
You can download a Generic FTF and use flashtool to flash it to your device
Once you unlock your bootloader it stays unlock till you relock
You can flash roms n manage general other stuff from recovery
Sent from my D6503 using XDA Premium 4 mobile app
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Click to collapse
I know what do with a unlocked bootloader, but my phone does not support any bootloader unlocking system... Any chance to do it?
xavisaldana said:
I know what do with a unlocked bootloader, but my phone does not support any bootloader unlocking system... Any chance to do it?
Click to expand...
Click to collapse
If you phone cant be unlocked then it cant be unlocked
No way around a non unlockable bootloader
Sent from my D6503 using XDA Premium 4 mobile app
Envious_Data said:
If you phone cant be unlocked then it cant be unlocked
No way around a non unlockable bootloader
Sent from my D6503 using XDA Premium 4 mobile app
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Click to collapse
All right then, I have a gimped terminal. Great!
Can I install Xposed tweaks btw?
xavisaldana said:
All right then, I have a gimped terminal. Great!
Can I install Xposed tweaks btw?
Click to expand...
Click to collapse
Yes, you can install anything but non stock based roms and custom kernels
Sent from my D6503 using XDA Premium 4 mobile app
Thanks Bro
Got xposed, rooted and recovery installed.

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