For bootloader unlock purposes, use the US998 KDZ versions with pre-July 2018 security patch: I recommend 20a or 20b

US99820h_00_0318.kdz

DOWNLOAD LINKS:

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TWRP FLASHABLE VERSION:

AFH MIRROR:

AFH MIRROR:

MEGA MIRROR:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

Quote: Originally Posted by JohnFawkes Originally Posted by Also flashing magisk in between each and rebooting in between each is not needed. You can add all (zips) to the queue and flash at once then flash magisk and then reboot. Tested this method with the us998 zips and works just fine

PREVIOUS FIRMWARE

US99820g_01_0110.kdz

DOWNLOAD LINKS:

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MIRROR

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TWRP FLASHABLE VERSION:

MEGA MIRROR:

AFH MIRROR:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

PREVIOUS FIRMWARE

US99820f_00_1121.kdz

DOWNLOAD LINKS:

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TWRP FLASHABLE VERSION:

MEGA MIRROR:

AFH MIRROR:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

PREVIOUS FIRMWARE

US99820e_02_0910.kdz

DOWNLOAD LINKS:

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TWRP FLASHABLE VERSION:

AFH MIRROR:

MEGA MIRROR:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

PREVIOUS FIRMWARE

US99820d_01_0710.kdz

DOWNLOAD LINKS:

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TWRP FLASHABLE VERSION:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

PREVIOUS FIRMWARE

US99820c_03_0615.kdz

DOWNLOAD LINKS:

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PREVIOUS FIRMWARE

US99820b_03_0524.kdz

DOWNLOAD LINKS:

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TWRP FLASHABLE VERSION:

ONLY USE MAGISK 18.X ON OREO TWRP-FLASHABLE ZIPS!

PREVIOUS FIRMWARE

US99820a_04_0330.kdz

DOWNLOAD LINKS:

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CODEFIRE

HOW TO (temporarily) DOWNGRADE BACK TO OREO FOR BOOTLOADER UNLOCK

(or DOWNGRADE BECAUSE YOU DON'T LIKE PIE)

1) DOWNLOAD FIRMWARE AND DEV PATCHED LGUP

2) INSTALL DEV PATCHED LGUP

3) DOWNGRADING/UPGRADING ANY LG V30/V30+/V30S TO OREO KDZ FIRMWARE

Make sure you in download mode BEFORE opening the patched LGUP file.

This is at the top of the list as some people forget to do that. The remainder are in no particular order. If that doesn't work,

This is at the top of the list as some people forget to do that. The remainder are in no particular order. If that doesn't work, Try different USB port,

Try different USB cable,

Try different computer.

Reinstall LG mobile drivers on your PC.

Reinstall dev patched LGUP again, making sure the files are placed where they need to go (LG Electronics folder, etc).

REBOOT THE COMPUTER.

WARNING: In LGUP do NOT go messing with modes not mentioned in these instructions. Especially do NOT use Chip Erase.

Quote: 3) ChipErase: Dangerous, This will erase IMEI/efs, Do not try this if you do not have a NV backup.

4) IF YOU NEED TO UNLOCK BOOTLOADER (with early Oreo), GO READ WTF INSTRUCTIONS

SETTINGS