This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy A8 Star(A9 Star).
How to wipe all data in SAMSUNG Galaxy A8 Star(A9 Star).
How to bypass screen lock in SAMSUNG Galaxy A8 Star(A9 Star).
How to restore defaults in SAMSUNG Galaxy A8 Star(A9 Star).
All method of master reset SAMSUNG Galaxy A8 Star(A9 Star).
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy A8 Star(A9 Star) will be as new and your core will run faster.