This guide will show you a simple way on :
How to factory reset SAMSUNG Gravity Smart.
How to wipe all data in SAMSUNG Gravity Smart.
How to bypass screen lock in SAMSUNG Gravity Smart.
How to restore defaults in SAMSUNG Gravity Smart.
All method of master reset SAMSUNG Gravity Smart.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Gravity Smart will be as new and your core will run faster.