First of all you need following software and apps 1, I root for rooting phone 2 Sd formater for formating sd card 3 3. Recovery tool.apk (recomended) or Mobile Uncle.apk (get it from PLAYSTORE) 4 recovery.img recovery image file for gionee p2s smart phone. (add.img if not like that) 5 lollipop upgrading zip file by aatronix Before Starting- *Root Your Mobile First If Not Rooted *Take Full Nandroid Backup ( Always Recommended ) *Install CWM OR CTR (recommended)Recovery:- STEPS *Copy THIS RECOVERY to Sd Card *Now Download A *Open Mobile Uncle Tools give root access And Click On Recovery Update like this *Now Click On Recovery.img and press ok as shown in below image *After that you get message as show in below image if yes congrats your CWM installed successfully HOW TO INSTALL CUSTOM ROMS Go To Recovery Mode by- (its very importent to follow the following step to get success ) Switch off the Phone Press and hold "Volume Up + P...