How to factory reset BLACKPHONE BP1? How to wipe all data in BLACKPHONE BP1? How to bypass screen lock in BLACKPHONE BP1? How to restore defaults in BLACKPHONE BP1?
The following tutorial shows all method of master reset BLACKPHONE BP1. Check out how to accomplish hard reset by hardware keys and Android 4.4.2 KitKat settings. As a result your BLACKPHONE BP1 will be as new and your NVIDIA Tegra 4i core will run faster.
Blackphone BP1 pattern unlock hard reset - video