How to factory reset SAMSUNG E2121B? How to wipe all data in SAMSUNG E2121B? How to bypass screen lock in SAMSUNG E2121B? How to restore defaults in SAMSUNG E2121B?
The following tutorial shows all method of master reset SAMSUNG E2121B. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SAMSUNG E2121B will be as new and your core will run faster.
Samsung E2121 factory reset - video