[GUIDE] Guide to unlock bootloader for every G7 ThinQ except G710TM (With PHOTOS)

Search This thread

EmanuelCN

Senior Member
Mar 29, 2017
370
174
LG G7 ThinQ
Xiaomi Poco F3
I REALLY REALLY dont want to upgrade to a new phone but have the t-mo model.

Can someone explain to me why this model cannot get an unlocked bootloader VS all of the other models?
TM isnt the same as TMO, but TM has a different version of sdm845 which only T-mobile owns the firehose ( the file which can do the connection between your phone and qfil).
 

zph0eniz

Member
Aug 18, 2021
8
0
is it normal to take a long time after flashing?

Its been on lg g7 thinq loading screen. Blue light on and off.
 

DayWolvezz

New member
Jan 28, 2022
2
0
I have a problem on step 12. I don't have com_x in appdata, instead there's comport_15, comport_14, qfil.config and bhi
 

DayWolvezz

New member
Jan 28, 2022
2
0
how do I go into download mode when my phone says:

Your device software cannot be checked for corruption​

?
 

Thwwack

Member
Jan 29, 2015
23
3
Can anyone please tell me what firmware version I can use, with this guide for a LMG710EMW? It is unclear. Ideally later versions of android. Thanks!
 

NeonHD

Senior Member
Jul 7, 2015
209
91
Hey, wanna just say thank you for writing this guide. I followed everything to the tee and was successful in unlocking the bootloader. It was overall very straightforward to understand and had an (almost) stress-free experience.

I now realize that unlocking the bootloader is just the beginning. The complexity of flashing OFOX and custom ROMs is a whole other challenge, a challenge I'll happily accept ofc.

Update: So I flashed OFOX on both boot_a and boot_b via QFIL, exactly like in the instructions (on telegram), but it doesn't boot into OFOX when I force reboot the device. It just bootloops. Any idea why?

Update 2: After reading through the telegram posts, I believe it may have something to do with the OTA updates occupying one of the A/B partitions. I recently just did a chain of OTA updates (from A9 to A10) so it makes sense.
 
Last edited:

Miku0Sama

New member
Feb 18, 2022
1
0
Hey there, I know that this thread is quite old now but I think I may be confusing myself and this seemed to be the best place to go for help.

So my end goal here is simply to root my device, everything is working fine so far at the time of writing and I am currently waiting for the KDZ file to download (which, I might add, should be mentioned at the start of the post as the site seems to limit download speed so having that downloading while going through the steps would have been nice). I don't believe I'll encounter any issues however something I'm not sure about is if this process ends up rooting my device or if I will need to follow the instructions in this guide to root my device.

Phone development is rather new territory for me so sorry if this seems like an odd question but any help is appreciated!
 

benfruru

Member
May 1, 2017
8
1
Worked for My G710N. Thanks dude
Hi, I own a G710N too.

May can you let me know how to unlock the bootloader on that device? I never had been able to unlock it, even I was searching on LG developer website but never I found solution for the Korean version.

Did u success on unlocking the bootloader? Did you also install Magisk on it?

Thanks in advance
 

Lorenz073

Member
Jan 8, 2015
6
0
Hi EmanuelCN, snd many thanks for your usefull guide.
I was able to unlock the bootloader and upload ULM firmware vesion on mine G710PM

I have only one problem just now:

I would like to lock newly the bootloader to don't receive all the time I restart the phone
the screen telling me the bootloader isn't original

I tried to look in the site, but I wasn't able to find any information.
Do I have to install Magisk or what?

Could you be orsomeone could be so gentle to help me orgive me some link where to study?

Many thanks
 

Attachments

  • photo_2022-03-19_02-08-07.jpg
    photo_2022-03-19_02-08-07.jpg
    77.6 KB · Views: 5

Jimster480

Member
Oct 18, 2018
9
0
Based on the other posts; I imagine that this guide should still work for a Sprint G7? I have to unlock it if I want to use it on Tmobile now (since it has been on Tmobile, but not with LTE) due to the Sprint firmware....
Tmobile is telling me I have to dump it unless its unlocked.... mine is "unlocked" (sprint firmware) and can't use LTE on Tmobile it seems....
 

Zellfox

New member
Apr 7, 2022
1
0
hey i already done all the step, but when i wanna flash the kdz with lg up, it says no handset are connected ? and im still in fastboot. when i try forcebooting + volume up it goes to white screen with imei and says press power key to exit and restart phone. What should i do ? I need help
 

EmanuelCN

Senior Member
Mar 29, 2017
370
174
LG G7 ThinQ
Xiaomi Poco F3
hey i already done all the step, but when i wanna flash the kdz with lg up, it says no handset are connected ? and im still in fastboot. when i try forcebooting + volume up it goes to white screen with imei and says press power key to exit and restart phone. What should i do ? I need help
unplug the phone, press volume up until you see "power off" on your phone, then pressp ower button. Hold volume + and plug the phone to pc and it should get in download mode.
 

Top Liked Posts

  • There are no posts matching your filters.
  • 7
    IMPORTANT: NEVER ERASE THE ENTIRE FLASH (IT WILL BRICK YOUR PHONE **STILL CAN BE RECOVERED**)
    IMPORTANT: FOLLOW ALL THE STEPS IN ORDER TO UNLOCK BOOTLOADER SUCCSSEFULLY;
    DISCLAIMER: I AM NOT RESPONSIBLE IF YOUR PHONE BRICKS! YOU ARE FOLLOWING THIS GUIDE AND ITS YOUR CHOICE TO DO IT OR NOT TO DO IT AND YOU'RE THE ONE DOING IT. I JUST WANT TO HELP OTHERS OUT.


    Requirements:
    - Windows PC/Laptop;
    - USB-C cable;
    - Patience;
    - Unlock LG G7 ThinQ;


    STEPS:

    MAKE SURE THAT EACH STEP IS FOLLOWED IN ORDER NOT TO DAMAGE YOUR PHONE
    You can unlock the bootloader on any firmware.
    1. Download UnlockG7.zip and extract it.
    2. Install 9008 USB Driver;
    3. Install QPST.2.7.496.1.exe
    4. Reboot the pc.
    5. Turn on usb debugging in developer options.
    6. Boot the phone in edl mode:
    I) Connect the phone to the PC;
    II) Hold VOL- and Power;
    III) As soon as the screen turns black repeatedly press VOL+ while holding VOL- & Power button.

    Video tutorial:
    7. On the windows PC go to device manager ---> Ports and it should say Qualcomm HS-USB QDLoader 9008 (COM x) or "QUSB_BULK_CID: xxxx_SN: xxxxxxxx";
    aMxsEBT.png

    9. Setting up QFIL:
    I) Run QFIL;
    II) Set Build Type to Flat Build;
    III) Programmer path: select the file "prog_ufs_firehose_Sdm845_lge.elf" inside the extracted UnlockG7.zip;
    IV) At the bottom right corner change device type to "UFS".

    JdO1AuC.gif

    8. QFIL should recognize the port of your phone, if not press on "SelectPort..." and select your phone's port;
    4DrGYV5.gif

    10. Press on "Tools" and then press on "Partition Manager";
    OlUOEEJ.gif

    11. A new window should show on your screen with every partition on your phone. If you get sahara error, you should make sure you installed the 9008 mode drivers right or reboot your pc, reboot your phone from edl mode by holding volume - and power button for 10-30 seconds, then getting back to edl mode (step 6);
    12. Search the partition called "abl_a" right click on it and press "Manage Partition Data" then press on "Read Data" (this will backup your current partition) then press on "Load image" and load the V35abl.img from UnlockG7 folder.
    13. Press win + R and run %appdata% , navigate to Qualcomm --> Qfil --> COM_X (X --> the port that your phone was connected at (step7) and you will have a file named readata...... .bin rename it to Abl_abackup.bin;
    14. Redo step 12 & step 13 but instead abl_a repeat the process with abl_b;


    STEP 15 & 16 ARE NOT NEEDED IF YOUR LG G7 MODEL ITS EM, EMW OR EAW
    15. Search laf_a partition right click on it and press "Manage Paritition Data" then press on "Read Data" (to backup it), follow (step 13) again but name the file called readata... to laf_abackup.bin then you press on erase. (NOT "ERARSE ENTIRE FLASH") ;
    16. Follow (step 15) but instead laf_a repeat the process with laf_b;


    17. After you are done press on save partition file then close.
    18. Force reboot the phone (Hold volume - and power button for 8s) and immediately hold only volume + (For EM, EMW & EAW its volume -), it should get you in fastboot mode. (If it didn't work try again);
    19. Download & extract "fastboot driver.zip" and follow the instructions inside the README.txt;
    20. Download & extract "FixFastboot.zip" and follow the instructions inside the README.txt;
    21. Download & extract "fastboot-tools.zip";
    22. Open the CMD inside the extracted fastboot-tools.zip and type: fastboot flash frp (drag and drop over the cmd the frp.img), it should say OKAY.
    23. Press volume + until you see on your phone's screen "reboot to bootloader" then press power button and wait for it to reboot back in fastboot (bootloader);
    24. Type in the CMD: fastboot oem unlock . It should say "erasing userdata...." and wait until its done.
    25. Move the backups you have done in steps 12,13,14,15 (For EM,EMW & EAW models only from step 12 and 13) on dextop.
    26. Go back in EDL(9008) mode, open qfil -----> press on "tools" -----> press on partition manager ----> search abl_a ----> right click on it ---> load the abl_abackup.bin located on dextop. Repeat the process with abl_b(abl_bBackup.bin), laf_a(laf_abackup.bin), laf_b(laf_bBackup.bin). (EM, EMW & EAW models have to restore only abl_a & abl_b). After you are done press on save partition file then close.
    27. Force reboot your phone (Hold volume - and power button for 8s) then immediately hold volume + only, it should get you in download mode;
    28. Download & extract "How to flash KDZ Firmware.zip" and follow the instructions in README.txt;


    Congratulations! You have successfully unlocked the bootloader of your device.
    1
    My g7 is the sprint G710PM and currently it wont start. is it possible to unlock bootloader still and fix, or do i have to wait for LG's G710PM .kdz?
    ive tried a LOT of things to fix it but nothing has worked and probably did more harm than good, though i can still put it into 9008 mode for qfil. though i get RED case when booting to fastboot which wont allow a fastboot flash connection
    1
    Nevermind, I did it!

    (I really don't understand step 20 "20. Open the CMD inside the extracted fastboot-tools.zip and type: fastboot flash frp (drag and drop over the cmd the frp.img), it should say OKAY."

    I don't know what I have to do exactly. I open the cmd link in the platform-tools folder and I write "fastboot flash frp", but it says

    "
    unknown partition 'frp'
    fastboot: error: cannot determine image filename for 'frp'
    ")
    Because you didnt drag the frp image over the cmd so it introduces the path, it cant flash something that its not specified, when you drag the file over the cmd with your cursor it will automatly put the path for you.