How to factory reset SAMSUNG Z520? How to wipe all data in SAMSUNG Z520? How to bypass screen lock in SAMSUNG Z520? How to restore defaults in SAMSUNG Z520?
The following tutorial shows all method of master reset SAMSUNG Z520. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your SAMSUNG Z520 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.