I have been using my imessage with wifi when I was in Egypt and i moved to Austria and i got sim card and when i don't charge my sim card , i cant send any message on Imessage to somebody because I don't have mobile data, but when i have mobile data i can use it
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iPhone 11, iOS 16
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So what's your question?
As you already noticed iMessage uses WiFi or mobile data. W/o active mobile data it's not possible to use iMessage. You need to have a SIM including data-connection.
Good luck
ervau
iMessage can't be used without mobile data balance
