iphone + strictly wifi uses data allowance. Why?

tatianak

    Hi community,

     

    So I gave another try to T-mobile just because I wanted to have Wifi calling. No coverage in my area for any cell provider. No signal.

    I am a stay at home mom and use wifi for wifi calling and wifi on my phone only.

    Since I join T-mobile on the 21st of December, I have used 3 Gb of data on my plan sitting on Wifi/Wifi calling only.

    So the question to the community is. Does anyone else experience the same problem?

    I in no chance can be using cellular data as there is simply no connection here.

     

    Beforehand thank you for any advice to my problem.

     

    Iphone 5c with the latest iOS.

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