Software Is Not Working, Display Is Appearing Unexpected Color, Message Option Is Not Working, Hanging Mobile Operating System & For All Other Problem Go To The Setting Option On Your Mobile, Go To The Phone Setting Option, Select Restore Factory Setting. Press Password 1234 If The Set Is Nokia or Samsung. But If The Set Is Chaina Set Then Password Is 1122. Try With Restart Your Mobile, Your Problem Will Be Solve, Otherwise You Need To Flash Your Mobile. Thanks