This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy J2 Prime.
How to wipe all data in SAMSUNG Galaxy J2 Prime.
How to bypass screen lock in SAMSUNG Galaxy J2 Prime.
How to restore defaults in SAMSUNG Galaxy J2 Prime.
All method of master reset SAMSUNG Galaxy J2 Prime.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy J2 Prime will be as new and your core will run faster.