Some of the training:

Reset factor in boot / full backup of the ROMS and information /

Line trick and WhatsApp etc / Run Windows on Android / moving Android to iPhone /

Trick operators / increase mobile coverage / Internet Options iPhone /

Routed in different ways and simple / flash tutorials and install custom ROMs /

Android upgrade / update and restart your iPhone / break bootloader

/ Essential Tips to Flash

And other items that are required by users who have phones ...