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HTC One M9

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Guide to phone keys and sockets

The list below shows you what the different keys and sockets on your phone are used for.

  • 1
    On/Off
    • Several functions are associated with On/Off:
    • Press On/Off to turn your phone on or off.
    • Press On/Off to turn on the screen lock.
    • Press and hold On/Off to access flight mode.
  • 2
    The Volume keys
    • Several functions are associated with the Volume keys:
    • Press the Top volume key or the Bottom volume key to adjust the ring volume.
    • Press the Top volume key or the Bottom volume key during a call to adjust the volume.
    • Press the Top volume key or the Bottom volume key to silence the incoming call alert.
  • 3
    Socket
    • Connect the charger or data cable to the phone socket and to a wall socket or your computer's USB port.
  • 4
    Headset socket
    • Connect the headset to the headset socket.
  • 5
    Camera lens at the back of your phone
    • Point the camera lens at the back of your phone at the required object to take a picture or record a video clip.
  • 6
    Camera lens at the front of your phone
    • Point the camera lens at the front of your phone at the required object to take a picture or record a video clip.