How to factory reset SAMSUNG Z620? How to wipe all data in SAMSUNG Z620? How to bypass screen lock in SAMSUNG Z620? How to restore defaults in SAMSUNG Z620?
The following tutorial shows all method of master reset SAMSUNG Z620. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your SAMSUNG Z620 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.