WAYS TO HARD RESET A PHONE  SAMSUNG, SONY, LG, HTC, ETC

Step 1. Turn off you phone than Press the Volume Up (or Volume Down) button & Power button to get this feature

Step 2. Then choose Factory Reset To boot into Android System Recovery, hold down the home button and the Power at the same time.

Step 3. Now go over to the  “Erase Data/Factory Reset”

Step 4. Confirm that you want to wipe all the data and wait for completing

Step 5. Than Select Reset your system to the Hard Reset setting and restart the Reboot system.

For More Details About Factory Reset  Swipe Up