Nokia C21 user guide

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Nokia C21

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Network services and costs

Using some features and services, or downloading content, including free items, require a network connection. This may cause the transfer of large amounts of data, which may result in data costs. You may also need to subscribe to some features.

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. To make 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.

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Useful Links

Software UpdatesEnvironmental Profile
  • Keep your phone up to date
  • Keys and parts
  • Insert the SIM and memory cards
  • Charge your phone
  • Switch on and set up your phone
  • Dual SIM settings
  • Lock or unlock your phone
  • Use the touch screen
Product and safety information
  • For your safety
  • Network services and costs
  • Emergency calls
  • Take care of your device
  • Recycle
  • Crossed-out wheelie bin symbol
  • Battery and charger information
  • Small children
  • Medical devices
  • Implanted medical devices
  • Hearing
  • Protect your device from harmful content
  • Vehicles
  • Potentially explosive environments
  • Certification information
  • About Digital Rights Management
  • Copyrights and other notices

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