3.11. Ringer volume adjustment
See chapter "SETTINGS" section "Ringer Volume". With the
phone at rest, the ringer can also be adjusted to mute or
vibrate by pressing the [VOLUME] keys.
3.12. Silent mode
To activate/deactivate the silent mode, press and hold the [#] key.
3.13. Torch
To switch the torch on/off, press and hold the [VOLUME+] button.
3.14. SOS button
Pressing and holding the [SOS] key puts the phone into emergency
mode:
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