This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy Tab 3 10.1 P5210.
How to wipe all data in SAMSUNG Galaxy Tab 3 10.1 P5210.
How to bypass screen lock in SAMSUNG Galaxy Tab 3 10.1 P5210.
How to restore defaults in SAMSUNG Galaxy Tab 3 10.1 P5210.
All method of master reset SAMSUNG Galaxy Tab 3 10.1 P5210.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy Tab 3 10.1 P5210 will be as new and your core will run faster.