Help needed to unlock the bootloader - LG Q8 Questions & Answers

I am using the Q8( X800L) for over 1.5 years. Recently the rear camera resolution has gone down to 5mp and front camera is showing 16mp. Don't know how this happened suddenly. I flashed original firmware again but nothing happened .So I need to use custom rom to get rid of Lg software bug, but I am not able to unlock bootloader and also cant find TWRP for this model. Xan anyone help me to unlock the bootloader?

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Flash FTF,camera can't use

Flash FTF,camera can't use
Press the camera button is unresponsive!
What model? C6903 ?
Lte connection works?
Sent from my C6903 using xda premium
6902
The problem I have with the FTF's for the c6903 is that my device rotations all seem to be inverted. I think something with the kernel is causing rotation on my device to be inverted. To get around it, I'm just locking my rotation as I need it to be, but it gets irritating with the camera. When i take pics with the camera, they all come out upside down, so I need to rotate them. lol
i also had this problem this morning.
the camera cannot focus..
its so terrible :crying:
I had the same problem after unlocking bootloader and flashing a new firmware. But luckily I did have the backupTA on the state before I unlocking my device. What I did to fix this, which you guys might think is really stupid its that I had my device in the camera unusable state (after flashing the TW 526 ftf for C6902 firmware) and restore on the backup that was before I unlock my bootloader and found myself bricked the device. And then what I did was to of course flash the same firmware again (I do not know why I can still enter flash mode on my device, but it did). The result was that I find my device's camera worked in terms of both capturing photos and recording videos and with the firmware I wanted.
P.S. My device was bought in China which had the CN 518 firmware originally and I do not know why it worked, but it just does for me, so do it at your own risk

[Q] What's wrong with my camera, HELP please

Hi
I am running stock 14.5.A.0.270, rooted and bootloader unlocked. Sony Xperia Z1
My camera app opens up, the camera button on the side of the phone even works. You push the capture area and front camera freezes and normal camera just shows me two buttons and won't do anything.
Please help I do not know what to do. There were a few other threads with a similar problem but I haven't found the resolution yet. Is it because bootloader is unlocked, I have read that I should restore the ta partition and relock my bootloader but I thought I will try here first.
I thought it would be fun rooting and flashing phones but so far just a big timewasting headache. I was on CM12.1 before , nightlies they were good but then it wouldn't recognise my sim card.
RR I tried but I got stuck on the bootloop.
Now I am back on a stock and my camera doesn't work
Help me please, I want to learn more
Many thanks for your time
Nooberoid said:
Hi
I am running stock 14.5.A.0.270, rooted and bootloader unlocked. Sony Xperia Z1
My camera app opens up, the camera button on the side of the phone even works. You push the capture area and front camera freezes and normal camera just shows me two buttons and won't do anything.
Please help I do not know what to do. There were a few other threads with a similar problem but I haven't found the resolution yet. Is it because bootloader is unlocked, I have read that I should restore the ta partition and relock my bootloader but I thought I will try here first.
I thought it would be fun rooting and flashing phones but so far just a big timewasting headache. I was on CM12.1 before , nightlies they were good but then it wouldn't recognise my sim card.
RR I tried but I got stuck on the bootloop.
Now I am back on a stock and my camera doesn't work
Help me please, I want to learn more
Many thanks for your time
Click to expand...
Click to collapse
Sorry I'm a bit late it seems but i had the exact same problem, camera wont focus and take pictures, video did still work depending on firmware but unfocused. Chances are your asking here because you lost your TA partition and DRM keys, which is most likely the cause
Solution:
make sure your phones bootloader is UNLOCKED
1. Grab flashtool
2. open Xperifirm via flashtool
3. look for 14.3.A.0.757 firmware (for journalists and media) (MUST be downloaded via xperifirm)
3. Download and unpack automatically, let flashtool do its thing til its ready
4. Relock your bootloader, DO NOT start your phone or touch your phone, keep it in flashmode
5. flash the firmware you just downloaded (14.3.A.0.757)
6. start your phone, camera SHOULD be working
7. Unlock bootloader and Flash any .ftf you like, tick EXCLUDE in the box that says .TA when you flash / if its available
8. Enjoy

Reversed screen rotation after fw swap c6916 (14.5.B.0.247) to c6906 (14.6.A.0.368)

Hi folks,
I've upgraded/replaced the original TMobile firmware (14.5.B.0.247) on my Xperia Z1s (c6916) by c6906 Customized US (14.6.A.0.368). Everything works fine except few things like:
1) screen rotation - when i try to rotate the screen into the landscape mode - it turn the screen in opposite direction/backwards. Looks like the sensor readings get reversed? It was working fine before the upgrade, hence it looks like a software issue. Any ideas how to fix it?
2) device memory is twice less but it is kind of expected because original Z1 has only 16 Gb of storage onboard. Is there any way to fix that?
Thanks.
shefys said:
Hi folks,
I've upgraded/replaced the original TMobile firmware (14.5.B.0.247) on my Xperia Z1s (c6916) by c6906 Customized US (14.6.A.0.368). Everything works fine except few things like:
1) screen rotation - when i try to rotate the screen into the landscape mode - it turn the screen in opposite direction/backwards. Looks like the sensor readings get reversed? It was working fine before the upgrade, hence it looks like a software issue. Any ideas how to fix it?
2) device memory is twice less but it is kind of expected because original Z1 has only 16 Gb of storage onboard. Is there any way to fix that?
Thanks.
Click to expand...
Click to collapse
ok, here is a "solution":
The C6906 "/etc/sensor_def_qcomdev.conf" must be replaced by C6916 version. The same applies to CyanogenMod 12.1. C6916 have different settings for few things.
I downloaded TMO firmware, extracted system.sin and replaced the file on my phone running CyanogenMod 12.1 - after reboot rotation works perfectly but it will get broken as soon as i upgrade the firmware
how did nobody catch that this dude managed to flash a different firmware on a phone that is supposedly NOT unlockable? Shefys, you need to explain exactly what you did. In another thread you said you unlocked your Z1s c6916 on developer.sony.com and i tried it, but there was no Z1s option. Followed the steps anyways by selecting Xperia Z1 but the unlock command failed citing not allowed.
shefys said:
Hi folks,
I've upgraded/replaced the original TMobile firmware (14.5.B.0.247) on my Xperia Z1s (c6916) by c6906 Customized US (14.6.A.0.368). Everything works fine except few things like:
1) screen rotation - when i try to rotate the screen into the landscape mode - it turn the screen in opposite direction/backwards. Looks like the sensor readings get reversed? It was working fine before the upgrade, hence it looks like a software issue. Any ideas how to fix it?
2) device memory is twice less but it is kind of expected because original Z1 has only 16 Gb of storage onboard. Is there any way to fix that?
Thanks.
Click to expand...
Click to collapse
How you did this? I hard bricked my Xperia Z1S putting the 5.1.1 fimware, I needed to buy a new board because I had no solution.
Ksix007 said:
How you did this? I hard bricked my Xperia Z1S putting the 5.1.1 fimware, I needed to buy a new board because I had no solution.
Click to expand...
Click to collapse
hi, i wasn't aware that you cannot unlock z1s booloader. I just went to the developer site, registered, submitted my imei (as a Z1) and got a link/key to unlock it.... maybe my imei was lucky. Sorry, folks. Right now I'm running CM12 on my Z1s. Can provide photos if you want to
Before unlocking the bootloader, i was running C6906 official firmware on my phone because it was newer.
shefys said:
hi, i wasn't aware that you cannot unlock z1s booloader. I just went to the developer site, registered, submitted my imei (as a Z1) and got a link/key to unlock it.... maybe my imei was lucky. Sorry, folks. Right now I'm running CM12 on my Z1s. Can provide photos if you want to
Before unlocking the bootloader, i was running C6906 official firmware on my phone because it was newer.
Click to expand...
Click to collapse
I tried to use the C6943 firmware .368 and hard bricked..... I will try on Sony's site unlock my bootloader...
Yes please post pics. I tried unlocking my z1s as a z1 just like that but it didn't work. The fastboot command to process the unlock returned a "not allowed" error.
If you can get to the service screen, there is a section where it says "unlockable: no". (Or yes). Can you post a picture of that?
How did you get on the 6906 firmware?
How to unlock with flashtool
Helgaiden said:
Yes please post pics. I tried unlocking my z1s as a z1 just like that but it didn't work. The fastboot command to process the unlock returned a "not allowed" error.
If you can get to the service screen, there is a section where it says "unlockable: no". (Or yes). Can you post a picture of that?
How did you get on the 6906 firmware?
Click to expand...
Click to collapse
after you take the link and after that you take the unlock code just have to unlock with flashtool:
1.) create a folder in the flashtool folder with your device code ... mine is : D:\Android\Flashtool\custom\mydevices\CB5A1WPPTA
2.) inside the folder, create a file called ulcode.txt , in the file just copy the unlock code
3.) open flashtool (be sure that your phone have enable usb debug and connected) and press BLU (bootloader Unlock)
4.) after that a window will appear with your code and the phone id, you select unlock and now you have the xz1s unlocked...
BE AWARE: in my case, the camera doesnt focus after unlocked and video just doesnt work...
for the rom, i think you could take it using xperifirm and installing with flashtool
https://www.youtube.com/watch?v=bbAfxL-oGjk
I'll have to try this and report back. I understand that unlocking the bootloader causes issues with the camera, but does the issue get resolved by flashing a ROM? Or does it stay broken?
Helgaiden said:
I'll have to try this and report back. I understand that unlocking the bootloader causes issues with the camera, but does the issue get resolved by flashing a ROM? Or does it stay broken?
Click to expand...
Click to collapse
So, Did You tried? I have fear of lose my Xperia more one time.... :crying:
Ksix007 said:
So, Did You tried? I have fear of lose my Xperia more one time.... :crying:
Click to expand...
Click to collapse
No my z1s would not unlock.

Mate 10 ALP-L09 front camera issues?

Hi there everyone, long story short, I have a unlocked/rooted Mate 10 yesterday I realize that the front camera bokeh feature completely broke my photos, they just keep "loading..." and in the gallery the pic is just a broken gray square... Anyone is having the same issue?
Will appreciate any help!
I've already tried:
Reset default settings
Phone factory reset
Thanks!
cause you rooted , need reset setting then reboot
hoangtu2410 said:
cause you rooted , need reset setting then reboot
Click to expand...
Click to collapse
Hi there, do you know how can I do that? any quick guide or steps?
I've tried to but I almost get bricked because of the oem relock
Thanks!
lavosgo said:
Hi there, do you know how can I do that? any quick guide or steps?
I've tried to but I almost get bricked because of the oem relock
Thanks!
Click to expand...
Click to collapse
systems > reset > reset all settings then reboot the phone , do not turn on artistic bokeh mode again
or you can upgrade fw to disable root . I found out that i dont really need root anymore
hoangtu2410 said:
systems > reset > reset all settings then reboot the phone , do not turn on artistic bokeh mode again
or you can upgrade fw to disable root . I found out that i dont really need root anymore
Click to expand...
Click to collapse
You should be able to just flash back stock RAMDISK.
Hello, I have the same issue, front cam just says loading when picture is taken. I am rooted as well. Were you able to resolve this?
I am on Mate 10 Pro
me too
yup me too, but with rear camera. Think .jpeg files are corrupted. Bought phone new from Vodafone 2 weeks ago. Not rooted. Did x2 full hard resets and it recurred. Vodafone did a "like for like" replacement on assumption it was due to faulty internal memory. (Its seems like the sort of thing that would happen if there was an SD care and the SD card was kaput). Hope prob doesnt come back. If does then suggests it wasnt a handset / hardware problem for me but rather a more general software issue ...

Bought Pixel 4 xl with a custom ROM, new to flashing, need help please

Hi guys so I bought an unlocked phone from someone and after I did a factory reset I realized that the bootloader was unlocked. and when I tried to actually figure out how to flash a ROM that would help me fix the green tint on the screen ( i never figured out how) I realized that the ROM is custom. I tried to install Whatsapp and other apps and it wouldn't work. Please help me fix the phone so I'm not stuck with an unusable phone. The build installed is coral-userdebug 11 RQ1A.201205.....xxxxxx how do I fix this? Bonus points if I can install that degreenify thing with the app/ROM found on xda
Kderant said:
Hi guys so I bought an unlocked phone from someone and after I did a factory reset I realized that the bootloader was unlocked. and when I tried to actually figure out how to flash a ROM that would help me fix the green tint on the screen ( i never figured out how) I realized that the ROM is custom. I tried to install Whatsapp and other apps and it wouldn't work. Please help me fix the phone so I'm not stuck with an unusable phone. The build installed is coral-userdebug 11 RQ1A.201205.....xxxxxx how do I fix this? Bonus points if I can install that degreenify thing with the app/ROM found on xda
Click to expand...
Click to collapse
Hey, this thread is for Google Pixel 1, that is Sailfish and you seem to have an Google Pixel 4 XL, that is a Coral. Use "https://developers.google.com/android/images" link to find the stock rom for your device along with the instructions to flash the same. Happy Flashing

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