What may be the problem because after inserting the SIM card the phone goes to no service
What may be the problem because after Inserting a SIM card the phone goes to No Service
iPhone 7, iOS 15
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Two things to check:
- Is the SIM card active with cellular service from a carrier?
- Did your iPhone 7 work previously with a different carreir? If YES, then it may be SIM Locked to the previous carrier and you will have to contact that carrier.
If the second point, above, does not apply to you then review this article published by Apple 👉 If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
Axel F.