[LG G Stylo Guides, News, & Discussion] mydarkthawts:
Just wanted to confirm that the OP and the instructions worked for my T-Mobile LG G Stylo H631 running the OTA MM 6.0 update and the Software Version is H63120o

I am fully rooted with SuperSu binaries updated.

Everything went smoothly the first go around and continues to go smoothly without a hitch.

Here is the process I did for those interested or confused or worried:

-Checked Allow OEM Unlock in Dev options

-Checked USB Debug in Dev options

-Installed the ADB and fastboot on linux via sudo apt install android-tools-adb android-tools-fastboot

-Used my Parrot Security Linux terminal to boot into the bootloader via ADB: sudo adb reboot bootloader

-Used fastboot oem unlock to unlock my bootloader.

-Rebooted it and let it go through the update process. I reinstalled all my apps and settings here.

-Copied the UPDATE-SuperSU-v2.65-20151226141550.zip to my phones internal storage.

-I rebooted back into the bootloader via ADB in linux terminal.

-Changed my directory in terminal to the folder I downloaded recovery.img: cd /home/parrot/Downloads

-Used sudo fastboot boot recovery.img and it loaded TWRP on my phone.

-From TWRP, I made a complete backup of my system to my SD card.

-I then clicked "Install" on TWRP, browsed to the location of UPDATE-SuperSU-v2.65-20151226141550.zip file, clicked it and flashed it.

-Rebooted the phone from there. MAKE SURE TO CLICK NO or DO NOT INSTALL for the su binaries. Do not swipe blindly at this part.

-Phone booted fine, no multiple reboots.

-Updated SuperSu binaries and rebooted. Went fine.

Used my Titanium Backup to restore all my previous settings and blah blah.

A+++ to the OP.

I thought I was NEVER going to get this rooted.

I have yet to flash the TWRP and will leave it that way as I can just boot the TWRP recovery from my computer if I need it. If I do flash the TWRP, I'll update this post to inform others how it went.

~~~~~~~EDIT

I am now ready to sell this device and have discovered yesterday that after factory resetting the device:

- It holds tons of information on the device such as personal files, images, downloads and a few programs.

- Root is gone and recovery can not be accessed no matter what I do or try.

So, I figured I'd manually delete the personal files and be fine.

I did ANOTHER factory reset and the files were back.

I assume those files were somehow write protected during a root. Not sure how.

SO, I decided to attempt to root it again using the original method and files:

- ADB rebooted my phone to fastboot.

- Fastboot freezes or appears to not respond on the phone to the computer after it enters fastboot.

- I can not detect the device when using command "fastboot device"

- Trying to reboot the phone by holding down the power button as mentioned on the phone screen does not work at all

- Had to pull the battery out to reboot the phone.

- Back at square one.

I decided to install LG Bridge on my windows install and it detected a damaged recovery blah blah.

I clicked it and it downloaded a ROM that is 1.22GB big and it flashed the image back to my phone and made it stock again.. So, that solved all my issues I had after a factory reset, it removed all my files as well.

I can confirm starting from scratch like this works again but it's just tedious.

There is hope for those looking for more information on this.

It is almost impossible to butcher this phone. Almost.

LG Bridge utility has your back.