| Press and hold VOLUME UP + POWER KEY
now you see green screen don't release volume up key
after 10 seconds you see red screen, now release Volume up key.
now you see recovery options.
select wipe data with factory reset and press power key for 2 sec.
now select yes -- delete all user data and press power key for 2 second.
now reboot device.100% ok
thanks its working for me |