Why is my SIM card not working
My SIM card is saying no sim on my phone
iPhone 12, iOS 17
My SIM card is saying no sim on my phone
iPhone 12, iOS 17
If using a physical sim card, eject it, re-seat it, and insert it again.
If it still won't work, contact your service provider and request a new one.
click here ➜ If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support
Why is my SIM card not working