Question [Q] How to ROOT N7 without pc

Hello,
I want to root my nexus 7 without pc as its inbuilt drivers are spoiled up!
It's bootloader is unlocked anyway.
I thought of using adb wireless but when the N7 will boot into recovery mode it wont work.
HELP ME PLEASE

Devices:
iPhone
Nokia Lumia 1320
Nexus 7 2012
Micromax A25
Videocon A15+
Nokia C2