This guide will show you a simple way on :
How to factory reset SAMSUNG Wave M S7250.
How to wipe all data in SAMSUNG Wave M S7250.
How to bypass screen lock in SAMSUNG Wave M S7250.
How to restore defaults in SAMSUNG Wave M S7250.
All method of master reset SAMSUNG Wave M S7250 .
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Wave M S7250 will be as new and your core will run faster.