This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy Tab 8.9 P7310.
How to wipe all data in SAMSUNG Galaxy Tab 8.9 P7310.
How to bypass screen lock in SAMSUNG Galaxy Tab 8.9 P7310.
How to restore defaults in SAMSUNG Galaxy Tab 8.9 P7310.
All method of master reset SAMSUNG Galaxy Tab 8.9 P7310.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy Tab 8.9 P7310 will be as new and your core will run faster.