Alcatel IDOL 5 User Manual page 17

Power key
Volume
Keys
Press: Lock the screen/activate the screen.
Press and hold: show the popup menu to select Power
off, Restart, or Airplane mode.
Press and hold the Power key and Volume up key to reset.
Press and hold the Power key and Volume down key
to take a screenshot.
Press and hold the Power key for 10 seconds to force reboot.
In call mode, adjusts the earpiece or headset volume.
In Music, Video, or Streaming mode, adjusts the media
volume.
In general mode, adjusts the ringtone volume.
Mutes the ringtone of an incoming call.
In camera preview mode, press Volume up or down
key to take a photo or press and hold to take burst shoot.
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