How to factory reset BENQ-SIEMENS EF51? How to wipe all data in BENQ-SIEMENS EF51? How to bypass screen lock in BENQ-SIEMENS EF51? How to restore defaults in BENQ-SIEMENS EF51?
The following tutorial shows all method of master reset BENQ-SIEMENS EF51. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your BENQ-SIEMENS EF51 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.