Since updating to iOS 15.7 my iPhone says no SIM card

..ctfazer..

There may be some re-set or other steps to try; or let official trained repairer, troubleshoot iPhone.

.Depending on your region or country, the Carrier may well be the Only repair center available..

• Wireless carrier support and features for iPhone in the United States and Canada - Apple Support

//support.apple.com/kb/HT204039 (also covers most global regions)

"If you still see an alert about your SIM card, contact Apple support."

Should you be in vicinity of an Official Apple Retail Store, you may

opt for a Genius inspection &/or ask what their options are there.

see:

• iPhone Service & Repair - Apple Support

//support.apple.com/iphone/repair

or:

• Genius Bar Reservation •and• Apple Support Options - Apple

//www.apple.com/retail/geniusbar/

[Get Hardware help]

If you can't activate your iPhone or iPad (Wi-Fi + Cellular) - Apple Support

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support

You may need to contact your cellular carrier, &/or authorized service for diagnostic.