Yezz BILLY 4.7 Manual Del Usuario página 77

Keys
The following table offers you a quick description about the phone's keys:
Key Function
Allows you to turn on/off the device and to lock the
Power Button
screen.
Allows you to adjust the volume of ringing and
Volume notifications. Also allows you to adjust the volume of
multimedia content playback.
Allows you to return to the previous menu or screen.
Back Also allows you to close some applications. Press and
hold to switch between open applications.
Takes you directly to the home screen, leaving any
Home
application open.
Open the web search application or open the digital
Search
assistant, Cortana, if enabled.