How to factory reset SIEMENS U15? How to wipe all data in SIEMENS U15? How to bypass screen lock in SIEMENS U15? How to restore defaults in SIEMENS U15?
The following tutorial shows all method of master reset SIEMENS U15. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SIEMENS U15 will be as new and your core will run faster.