Invalid Sim
I did everything I upgrade and turn it off and took out SIM card and put it back .
when it came on it was looking good and five Minutes later I look and it was saying invalid Sim again. Please Help 🙏
iPhone 7 Plus, iOS 14
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Remove your SIM card from the SIM card tray and then put the SIM card back. ... Make sure that the SIM tray closes completely and isn't loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.
If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad ...