How to root LG H830 (G5) 8.0(Oreo) H83030c rooting Solution – TWRP

How to root LG H830 8.0(Oreo) H83030c. How to root LG G5 latest updated 8.0. how to install twrp on H830 T-Mobile phone. Tested method to Root H83030c.

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How to root LG H830 (G5)

LG G5 (H830) T-Mobile Varient got Oreo 8.0 update. LG H830 tested rooting solution is available. TWRP is installed in this process. You can not flash TWRP image directly using fastboot mode. This Guide is enhanced and modified so that beginners can better understand. we do all procedure in some steps.

all credits goes to their respectives. I declare that this will void your phone’s warranty.


  • Backup All your Data because Flashing can Erase all your Personal Data.
  • Do not try this method on other versions.
  • Do This on your own risk because We are not responsible for Any Damage or data loss.
  • The battery should be Charged more than 60%.
  • Follow all steps Correctly.
  • Must Backup NVRAM and Nandroid Backup

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  1. Preparations
  2. Unlock Bootloader (OEM Unlock)
  3. Downgrade to 20a
  4. Using CMD Scripts to Access SU and flash TWRP
  5. Flashing SuperSU and NoVerity zip files using TWRP
  6. Verifying Root Access


Download all required files and extract them. Install LG Mobile Drivers. Install LG UP Tool and extract LG Uppercut. Make sure you installed adb and fastboot installer system-wide(Easy installation), rather than you can install adb & Fastboot Drivers manually.

Unlock Bootloader (OEM Unlock)

  • Goto Settings > About and tap on Build number seven times to turn on Developer Options.
  • Turn on USB Debugging and OEM Unlocking
  • Install adb & Fastboot system wide(if not installed before)
  • open CMD and Type

adb Devices
adb reboot bootloader

  • When you will see fastboot mode type this in CMD

fastboot oem unlock
fastboot reboot

Downgrade to H83020a

This Method seems to work only H83020a firmware version(Link). So if your phone is running on H83030c (Oreo 8.0) Latest version, then you need to flash H83020a version.

Download H83020a KDZ file and after downloading this file use Uppercut Tool and Choose Upgrade, after that click on flash.

Before any operation, you must take backup and do on your own responsibility because you can not hold me responsible for any loss.

Using CMD Scripts to Access SU and flash TWRP

This step is considered some difficult but I try to make it easy for you.

  • Make sure LG G5 is in normal mode and USB Debugging is on. Connect your phone with PC and unplug all connected adb devices.
  • Download LG G5 H830 root.rar and extract them.
  • Open lg g5 H830 root folder and press and hold SHIFT key and click Right button with the mouse and click on open command window here
  • you will see CMD window and now start typing cmd commands as below

adb devices
adb push dirtycow /data/local/tmp
adb push recowvery-applypatch /data/local/tmp
adb push recowvery-app_process64 /data/local/tmp
adb push recowvery-run-as /data/local/tmp
adb shell

Now you have access to Android Shell , now type these shell commands

cd /data/local/tmp
chmod 0777 *
./dirtycow /system/bin/applypatch recowvery-applypatch

Wait for completion and then type this

./dirtycow /system/bin/app_process64 recowvery-app_process64

your phone seems to be crashing, don’t panic and wait for completion, after that type this


adb logcat -s recowvery

wait for this until it says “Successful”

adb shell reboot recovery

wait for LG G5 to boot up again, type this in CMD

adb shell

It should say “Permissive“. now type these commands to transfer twrp to your phone and then flash.

cd /data/local/tmp
./dirtycow /system/bin/run-as recowvery-run-as
run-as exec ./recowvery-applypatch boot
run-as su
adb push twrp.img /sdcard/twrp.img

adb shell
run-as exec dd if=/sdcard/twrp.img of=/dev/block/bootdevice/by-name/recovery
reboot recovery

Flashing SuperSU and NoVerity zip files using TWRP

You should be now in TWRP Recovery. copy and to your phone’s root directory and install using TWRP one by one. After that reboot your phone in normal

Verifying Root Access

Your phone is successfully rooted and TWRP installed now. you can check and verify rooting staus by using any root checker APK.

If you end with bricked your phone then you can use unbrick LG G5 method to get your phone back to life.

If you have any problem kindly leave the comment below. We will try our best to respond and solve your problem.

Hasnain Siddiqui

I am Developer, Programmer and Article writer. Blogging is my profession.