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Connectivity

There is a difference between being registered to a network and having data connectivity. Often these two are considered the same.
Network registration means that the SIM is connected to the network and has a decent signal strength. After that you can use Voice/ SMS and Data services right away, For data services, the user needs to ensure correct settings are in place.
The basic settings for data connectivity are:
  • Cellular Data is ON
  • Data Roaming is ON
  • APN is configured correctly
Are you registered to the network?
Do you have data connectivity? Can you open a PDP context/data session?
Is the APN entered correctly? Does the APN match the active connectivity profile on the SIM?
Do you have data connectivity? Can you open a PDP context/data session?
Are you able to send and receive SMS messages?
Are you able to make/receive Voice calls?
Is your preferred Radio Access Technology (2G, 3G, 4G, NB-IoT, CAT-M) available?
Is your preferred network available in a location?