A Hard Reset reverts a phone to its original settings and a clean OS (Operating System) removing all data and information added to the cell phone by the mobile phone user.
In essence a Hard Reset erases everything from the phone and puts the phone back to like new condition as though it’s brand new right out of the box.
1. Lets get started, press and hold power button to turn on your device.
2. Now open phone's dialer and proceed to next step.
3. Here you have to type in this combination of numbers 1809#*395#
4. Now confirm hard reset process with call button
5. Now your phone will restart, after that it will be ready to work. Good job!