This guide will show you a simple way on :
How to factory reset SAMSUNG S8000 Jet.
How to wipe all data in SAMSUNG S8000 Jet.
How to bypass screen lock in SAMSUNG S8000 Jet.
How to restore defaults in SAMSUNG S8000 Jet.
All method of master reset SAMSUNG S8000 Jet.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG S8000 Jet will be as new and your core will run faster.