How to factory reset PHILIPS 639? How to wipe all data in PHILIPS 639? How to bypass screen lock in PHILIPS 639? How to restore defaults in PHILIPS 639?
The following tutorial shows all method of master reset PHILIPS 639. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your PHILIPS 639 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.