After flashing recovery you can flash Custom roms once it is built for it like CM12.1 or CM13 etc or you can make backup of your Stock rom.So lets start the guide on How to Flash TWRP recovery in LG V10.
4.Make sure that device model is H901 only don’t flash it in any other model.
#How to flash TWRP recovery in LG V10 (H901)
1.Download TWRP recovery for LG V10 and place it in the Mfastboot folder that your exacted earlier.
2.Now Enable USB debugging on your device:
Open Settings >About phone and tap seven times on Build number, this will enable Developer options.
3.Now go back to Settings and you’ll see “Developer options” there, open it.Tick the USB Debugging checkbox.
4.Connect your device with your PC using USB cable.
5.Now open Mfastboot folder and press “Shift + Right click” on any empty white space inside the folder and then select “Open command window here” from the context menu.
6.You will see command prompt window on your screen now type follow command in Command window.
adb reboot bootloader
7.Your device will reboot into bootloader.Now Enter Following command in the command window.
8.Once TWRP is successfully flashed on your device, issue the following command to reboot.
9.Done! If you face any problem comment below we will try to solve it as soon as possible.