User's Manual

4
Volume Key
Press to adjust the volume of device.
Home Key
(on the screen)
Tap to return to Home screen.
Back Key
(on the screen)
Tap to return to the previous screen.
Fingerprint key
Press to unlock the phone.
F150 Key
Press and hold to enter F150 mode.
Click 5 times to enter SOS mode.
Note
Multi Task Key and Back Key can be exchanged the layout in Settings -->
Navigation bar. You can customize the navigation bar.
Button customization in settings-->Single click settings to quickly open toolbox tools.