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Lock or unlock the keys and screen
To avoid accidentally making a call when
your device is in your pocket or bag, lock
the keys and screen of your device.
Slide the key lock switch.
Tip: If the key lock switch is out of reach,
to unlock the device, press the menu key,
and select Unlock.
Set the keys and screen to lock
automatically
1 Select Menu > Help & Settings >
Settings and Phone > Display >
Screen/keylock time-out.
2 Define the length of time after which
the keys and screen are locked
automatically.
Antenna locations
Avoid touching the antenna area
unnecessarily while the antenna is
transmitting or receiving. Contact with
antennas affects the communication
quality and may cause a higher power
level during operation and may reduce the
battery life.
Change the volume of a call, song, or
video
Use the volume keys.
You can adjust the volume during a call or
when an application is active.
The built-in loudspeaker allows you to
speak and listen from a short distance
without having to hold the device to your
ear.
Activate or deactivate the loudspeaker
during a call
Select
or .
Attach the wrist strap
Thread the wrist strap as shown, and
tighten it.
Headset
You can connect a compatible headset or
compatible headphones to your device.
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