How do I enable cellular calls on my iPhone 6s running iOS 15.6?

I just bought this iPhone 6s I have a SIM card inserted but it keeps restricting me from making calls, it’s running iOS 15.6 or so pls what should I do?

What should I do to fix this wifi only issue



[Re-Titled by Moderator]

iPhone 6s, iOS 15

Posted on Mar 30, 2025 10:42 PM

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Question marked as Top-ranking reply

Posted on Mar 30, 2025 10:45 PM

To be able to use any SIM across the globe you must have "No SIM Restriction" against Network Provider Lock. Please refer to the pic below.




Carrier Lock:- Request your iPhone’s original Carrier to unlock your iPhone and if they agree and do it, then you may know the further process here --> How to unlock your iPhone for use with a different carrier ...


Device Unlocking Policies | Verizon Privacy Policy


Unlock a Phone or Device - AT&T Device Unlock Portal


Unlocking your Sprint device - T-Mobile


FAQs about unlocking your Sprint device


Unlock Your Phone for Spectrum Mobile



1 reply
Question marked as Top-ranking reply

Mar 30, 2025 10:45 PM in response to zino20

To be able to use any SIM across the globe you must have "No SIM Restriction" against Network Provider Lock. Please refer to the pic below.




Carrier Lock:- Request your iPhone’s original Carrier to unlock your iPhone and if they agree and do it, then you may know the further process here --> How to unlock your iPhone for use with a different carrier ...


Device Unlocking Policies | Verizon Privacy Policy


Unlock a Phone or Device - AT&T Device Unlock Portal


Unlocking your Sprint device - T-Mobile


FAQs about unlocking your Sprint device


Unlock Your Phone for Spectrum Mobile



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How do I enable cellular calls on my iPhone 6s running iOS 15.6?

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