Nokia C31 User Guide
Important: 4G/LTE might not be supported by your network service provider or by the service
provider you are using when traveling. In these cases, you may not be able to make or receive
calls, send or receive messages or use mobile data connections. Tomake sure your device
works seamlessly when full 4G/LTE service is not available, it is recommended that you
change the highest connection speed from 4G to 3G. To do this, on the home screen, tap
Settings > Network & Internet > Mobile network , and switch Preferred network type to
3G . For more info, contact your network service provider.
EMERGENCY CALLS
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Before making the call:
• Switch the phone on.
• If the phone screen and keys are locked, unlock them.
• Move to a place with adequate signal strength.
On the home screen, tap .
1. Type in the official emergency number for your present location. Emergency call numbers
vary by location.
2. Tap .
3. Give the necessary info as accurately as possible. Do not end the call until given permission
to do so.
You may also need to do the following:
• Put a SIM card in the phone. If you don’t have a SIM card, on the lock screen, tap
Emergency call .
• If your phone asks for a PIN code, tap Emergency call .
• Switch the call restrictions off in your phone, such as call barring, fixed dialling, or closed
user group.
• If the mobile network is not available, you may also try making an internet call, if you can
access the internet.
TAKE CARE OF YOUR DEVICE
Handle your device, battery, charger and accessories with care. The following suggestions help
you keep your device operational.
© 2023 HMD Global Oy. All rights reserved. 35
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