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