[LG G7 ThinQ  Guides, News, & Discussion] EmanuelCN:
IMPORTANT: NEVER PRESS ON "ERASE ENTIRE FLASH" (IT WILL BRICK YOUR PHONE);

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.

G710TM: This model has a different SDM845 which is not compatible with the firehose in this guide. Currently there is no firehose available for it, making it impossible to unlock the bootloader.

Requirements:

- Windows PC/Laptop;

- USB-C cable;

- Patience;

- Unlock LG SDM845;

- NEVER PRESS ON "ERASE ENTIRE FLASH".

STEPS:

MAKE SURE THAT EACH STEP IS FOLLOWED IN ORDER NOT TO DAMAGE YOUR PHONE. NEVER PRESS ON "ERASE ENTIRE FLASH"

You can unlock the bootloader on any firmware.

1. Download Unlock.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:

https://www.youtube.com/watch?v=oZx3vR3gFEY

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";

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".

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

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

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 Unlock folder;

13. Press win + R and run %appdata% , navigate to Qualcomm --> Qfil --> COM_X (the port that your phone was connected to in the step 7). In this directory you will find a .bin file called readata... rename it to Abl_abackup.bin;

14. Redo step 12 & step 13 but instead of abl_a do it with abl_b;

STEP 15 & 16 (NOT REQUIRED ON LG G7 EM/EMW/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. (DO NOT PRESS "ERASE ENTIRE FLASH");

16. Follow (step 15) but instead laf_a repeat the process with laf_b; (DO NOT PRESS "ERASE ENTIRE FLASH")

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 (frp.img is located in Unlock LG SDM845.zip);

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 desktop;

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 desktop. 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. Get back in fastboot (redo step 18), unplug the phone and press volume up until you see "power off" on your screen and then press power button, your phone should be off;

28. Hold volume + and plug the phone back to the computer, you should enter in download mode;

29. 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.