User Manual

Nokia C21 Plus User Guide
BATTERY LIFE
Extend battery life
To save power:
1. Always charge the battery fully.
2. Mute unnecessary sounds, such
as touch sounds. Tap Settings >
Sound > Advanced , and under
Other sounds and vibrations , select which
sounds to keep.
3. Use wired headphones, rather than the
loudspeaker.
4. Set the phone screen to switch off after
a short time. Tap Settings > Display >
Advanced > Screen timeout and select
the time.
5. Tap Settings > Display >
Brightness level . To adjust the
brightness, drag the brightness
level slider. Make sure that
Adaptive brightness is disabled.
6. Stop apps from running in the background:
tap  > CLEAR ALL .
7. Use location services selectively: switch
location services off when you don’t need
them. Tap Settings > Location and
disable Use location .
8. Use network connections selectively:
switch Bluetooth on only when needed.
Use a Wi-Fi connection to connect to
the internet, rather than a mobile data
connection. Stop your phone scanning for
available wireless networks. Tap Settings
> Network & Internet > Wi-Fi , and disable
Use Wi-Fi . If you’re listening to music
or otherwise using your phone, but don’t
want to make or receive calls, switch
the airplane mode on. Tap Settings
> Network & Internet > Flight mode .
Flight mode closes connections to the
mobile network and switches your device’s
wireless features off.
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