How to factory reset SAMSUNG T309? How to wipe all data in SAMSUNG T309? How to bypass screen lock in SAMSUNG T309? How to restore defaults in SAMSUNG T309?
The following tutorial shows all method of master reset SAMSUNG T309. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your SAMSUNG T309 will be as new and your core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.