Discussion topic: I can’t make calls or use mobile data
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Message posted on 30 Oct 2025 08:18 AM
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I can’t make calls or use mobile data
I've recently received my new iphone17 pro max and transferred the info off my old phone. I can do everything with the new phone, so I turned the old phone back to factory settings. After doing this I realised I couldn't make calls, mobile data wasn't coming up and I couldn't connect my bank card to Apple wallet. I've tried everything and can't ring out. This morning I've woken up and someone in Frankfurt has tried to get onto my phone.
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Message posted on 30 Oct 2025 10:15 AM
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Re: I can’t make calls or use mobile data
So this your new iPhone 17 you are having issues with, if so give this a try:
On an iPhone with Dual SIM, the primary SIM is the default line you have chosen for calls, messages, and cellular data. You can change this default line by going to Settings > Cellular (or Mobile Data) > Default Voice Line or Cellular Data and selecting the other SIM card, which could be a physical SIM or an eSIM.
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