This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy Mini S5570.
How to wipe all data in SAMSUNG Galaxy Mini S5570.
How to bypass screen lock in SAMSUNG Galaxy Mini S5570.
How to restore defaults in SAMSUNG Galaxy Mini S5570.
All method of master reset SAMSUNG Galaxy Mini S5570.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy Mini S5570 will be as new and your core will run faster.