How to factory reset SIEMENS S40? How to wipe all data in SIEMENS S40? How to bypass screen lock in SIEMENS S40? How to restore defaults in SIEMENS S40?
The following tutorial shows all method of master reset SIEMENS S40. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your SIEMENS S40 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.