Hold Power Sowitch & Vol Down Long 10-12 Sen After Show This 1-reboot system now 2-apply update from adb 3-apply update from sdcard 4-apply update from cache 5-wipe data/factory reset 6- backup user data 7-restore user data Auto select down & Stop step 5 after click vol+ Now your Mobile is full reseted reboot system now and enjoy it 10000000000% tested by Ibrahim