This guide will show you a simple way on :
How to factory reset SAMSUNG Rugby Smart I847.
How to wipe all data in SAMSUNG Rugby Smart I847.
How to bypass screen lock in SAMSUNG Rugby Smart I847.
How to restore defaults in SAMSUNG Rugby Smart I847.
All method of master reset SAMSUNG Rugby Smart I847.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Rugby Smart I847 will be as new and your core will run faster.