Double-check your APN settings. Sometimes firmware updates wipe custom APN profiles required by your SIM card provider.
. Users running this version are strongly encouraged to upgrade to the latest stable release to protect their network from unauthorized access and potential cyber threats. Update Instructions To secure your D-Link DWR-M960 , you should manually check for and apply updates. Access Web Interface : Open a browser and go to firmware version dwr-m960-v1.1.49
Navigate to > Upgrade (or Maintenance > Firmware Update ). Double-check your APN settings