1. Eroli's Avatar
    Hello Community!

    My mothers Lumia 550 causes Trouble right now. I got a message from her that her mobile data is not working anymore. She sends her phone to me and i have been able to confirm that Problem. A Look in Settings - Mobile Data and Sim (not sure - in german: Mobilfunk & Sim) showed me nothing! There has been only one link to Further Informations (in german: Weitere Informationen). Everything else (Switch for mobile data on/off, roaming, ...) has been missing?!?!

    After that i have updated the Firmware using the Lumia recovery tool. This fixed the Problem for a short while, but after round about three hours the Problem occurred. again.

    I have really no idea what reason could cause this behaviour. I am really thankful for any hint!
    01-31-2016 06:20 AM
  2. Chintan Gohel's Avatar
    have you tried a different SIM card?
    02-01-2016 06:23 AM

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