These are the most used ways in hard resetting android 1. For Samsumg, Turn off the phone, hold volume down, home key and power button. A menu will appear and u will see ` Reboot Phone, Wipe/ Reset Factory etc' and select wipe factory by using the volume down key and power button to click. After, that select Yes from the list that will appear and ur phone will format itself. Now Your Phone Will Work Well ......... IF YOU'VE FOUND IT USEFUL DON'T FORGET TO KARMA... If Any Question Pm Me