how to hard reset your mobile

This is helpful when your device is totally not working, or when your C drive is full

Hard reset restores your phone completely to the firmware you were using

Turn off your phone, if not possible remove your battery and place it back, and follow the below instructions
Press these keys Red, Green, Camera and Power buttons

Wait for your device to turn on, it may take longer than usual but don’t panic

and now you can see the country selection, select and set times and you can see the phone gets back to the state it was