Here’s what to do if your iPhone says “No SIM.”
These instructions apply to all iPhones.
Remove the iPhone SIM card and reset it.
If it doesn’t, remove the SIM and verify if the card or the slot is dirty.
If they are, clean them.
Blowing into the slot is probably OK, but a shot of compressed air is always best.
You’d be surprised how many issues are solved by restarting.
Turn Airplane Mode On and Off.
Doing this can reset the iPhone’s connection to cellular networks and may fix the problem.
Install any available updates and see if that solves the problem.
verify your phone account is valid.
It’s also possible that your phone company account isn’t valid.
Check for an iPhone Carrier prefs update.
Test for a malfunctioning SIM card.
If your iPhonestillsays it has no SIM, your SIM card could have a hardware problem.
see to it to use the correct sizestandard, microSIM, or nanoSIMfor your phone.
If theNo SIM Card Installedwarning disappears after inserting another SIM, then your iPhone SIM is broken.
you’ve got the option to get a new one from Apple or your phone company.
Contact Apple tech support.
If all of these steps don’t solve the problem, you have a problem that you could’t fix.
You canmake an Apple Store appointmentonline.
Where Is the iPhone’s SIM Card?
The location depends on your iPhone model.
You set these up digitally with your connection provider.
you might use up to eight eSIMs including two phone numbers per gear.
Because an eSIM is completely digital, you shouldn’t get this error if you use one.
You should contact your wireless company if you have any issues.
For iOS 11.3 and below, ask to borrow someone’s SIM card just to activate your iPhone.
Or install iTunes on your PC, and then connect your iPhone to your PC.
iTunes will display a prompt and instructions to activate the iPhone.
ChooseSetup as Newduring activation.
