Root LG V10 TMobile H901 Android 5.1.1

Referenced YouTube How Tos:
https://www.youtube.com/watch?v=PPLwFGxLQA4
and a few steps from here






However this only worked when I added these directions to install the fastboot driver, if you get <waiting for devices> at fastboot step, then follow steps here to get fastboot driver! http://www.teamandroid.com/2012/07/30/how-to-set-up-adb-fastboot-with-android-sdk/3/

I had to do extra steps, especially as related to fastboot drivers, if u have a previous adb sdk or ever rooted b4 you may need to do 1 or a few of the extra steps I had to do:

V10 root summary

Setup
  Get adb sdk :http://www.teamandroid.com/2012/07/30/how-to-set-up-adb-fastboot-with-android-sdk/
  Get fastboot driver: http://www.teamandroid.com/2012/07/30/how-to-set-up-adb-fastboot-with-android-sdk/2/
  SetUp fastboot driver: http://www.teamandroid.com/2012/07/30/how-to-set-up-adb-fastboot-with-andin oroid-sdk/3/
  Get recovery image: https://forum.xda-developers.com/tmobile-lg-v10/development/recovery-unofficial-twrp-t3239740
  Get SPU: https://download.chainfire.eu/696/supersu/


1) Enable USB Debugging, OEM, Unknown Sources,
2) Boot into fastboot restart (Volume Up / PlugIn or adb reboot bootloader from cmd window.)
3) try   fastboot devices, if it DOESNT work, then usb drivers are messedup,
4) If USB Drivers are messedup:
Use http://www.teamandroid.com/2012/07/30/how-to-set-up-adb-fastboot-with-android-sdk/3/,
Browse to:
".\Misc\Android\sdk\extras\google\usb_driver\android_winusb.inf"
Check if it worked, by browse to then cmd window

C:\Work\Tools\Misc\Android\sdk\platform-tools>fastboot devices
97e0401a        fastboot


5) If OK then
 
Commands:
  fastboot devices
  fastboot oem unlock
  fastboot getvar unlocked
  close command prompt
 
  Open new command prompt
   Supplemented from https://www.youtube.com/watch?v=OtXlokk6JkQ&t=266s
  cd to .\mfastboot-v2
  fastboot devices
 
 
  fastboot flash recovery twrp-3.0.0-0-h901.img
  fastboot boot twrp-3.0.0-0-h901.img