Q: my iPhone says no sim card installed

Hi

Go to settings reset network settings after reset enter your router wireless key

Also update software to 8.4 over your WiFi .

Cheers

Brian uk

Hey,

follow this article to try to solve your issue,

If you see 'No SIM' alert on iPhone - Apple Support

HOpe after that it'll work for you, otherwise you need a service for the iPhon.

thanks