When your SIM card is not automatically recognized by the device, you must login the Web UI to check the APN settings and edit them, if necessary. The APN settings of your service provider can be found directly on its website, or you can request them to the support service of your service provider.

 
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Warning: If your mobile network is provided by a Mobile Virtual Network Operators (MVNO), please contact their support service to obtain the related APN information. 

  • A MVNO connects to the network of another mobile network operator to provide your coverage, which depends on your location.