Hard
Reset Is a Resetting Technique Which Can Bring a Cell PhoneTo Its
Original State When It Is Just Came From Factory, It Is Also Called Factory
Resetting. There Are Many Reasons to Hard Reset a Cell Phone Such
When a Cell Phone Becomes Very Slow, When Some Function Does Not
Work, When Some Application Not Runs, When Some File Not Delete,When
Application Not Uninstall And Many Unexpected Behavior By a Cell
Phone.