Nokia XR21 User Guide
To activate features, tap the corresponding quick access item on the notification panel. To see
more items, drag the menu down. To rearrange or add new items, tap , tap and hold an item,
then drag it to another location.
CONTROL VOLUME
Change the volume
If you have trouble hearing your phone ringing in noisy environments or calls are too loud, you
can change the volume to your liking by using the volume keys on the side of your phone.
Do not connect to products that create an output signal, as this may damage the device. Do
not connect any voltage source to the audio connector. If you connect an external device
or headset, other than those approved for use with this device, to the audio connector, pay
special attention to the volume levels.
Boost the volume
You can increase the loudspeaker volume with the boost mode.
1. Press the volume up key until you reach the 100% volume level.
2. Press the volume up key again to switch on audio boost mode. You can only use audio boost
mode with the loudspeaker.
3. To decrease the volume, press the volume down key.
Change the volume for media and apps
1. Press a volume key to see the volume level bar.
2. Tap .
3. Drag the slider on the volume level bars left or right.
4. Tap DONE .
Set the phone to silent
1. Press a volume key.
2. Tap .
3. Tap to set your phone to vibrate only or tap to set it to silent.
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