This procedure will hard reset or restore back the Samsung Galaxy S3 or S III GT-I9300 to it's original factory default settings. This process is useful if you experience some lag, frozen or unresponsive issues. This is not advisable on some part, for it will wipe and delete all data stored from your Samsung Galaxy S3, so just ensure to make a back-up copy of all of the important files you had on your device.
Samsung Galaxy S3 Soft Reset and Hard ResetIf the phone freezes, the most often method...
