This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy Grand 2.
How to wipe all data in SAMSUNG Galaxy Grand 2.
How to bypass screen lock in SAMSUNG Galaxy Grand 2.
How to restore defaults in SAMSUNG Galaxy Grand 2.
All method of master reset SAMSUNG Galaxy Grand 2.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy Grand 2 will be as new and your core will run faster.