iPhone displays "No SIM" but never removed the SIM from the phone. How can I fix this? It's urgent!

[ronnyjs]

iPhone displays "No SIM" but never removed the SIM from the phone. How can I fix this? It's urgent!

 

[scifan57]

Try removing the SIM card, then replacing it. It may be incorrectly positioned in the SIM card tray.

 

[DaveM]

Try removing the SIM card, then replacing it. It may be incorrectly positioned in the SIM card tray.

But turn the phone off first.