3 Best Ways to Fix SIM Not Supported Error on iPhone

Quick Tips

• If you are getting this error with an eSIM, try disabling and re-enabling it.
• Resetting network settings on your iPhone can also help fix this error.
• You may have to contact your carrier or visit the Apple store if nothing else works.

Try Basic Fixes

• Remove and re-insert the SIM card: If your SIM card won’t work with your new iPhone, eject the SIM tray on your iPhone. Then, remove the SIM card and place it correctly on the tray. Now, insert the SIM tray back into the iPhone and wait for it to latch onto a network.
• Force restart the iPhone: Press and release the Volume up key, press and release the Volume down key, and then press and hold the Side/Power button till you see the Apple logo on the screen.
• Install iOS updates: Bugs within iOS can sometimes cause such problems. In most cases, you can fix such issues by installing pending iOS updates. To do so, head to Settings > General > Software Update.

Fix 1: Disable and Re-Enable the eSIM

If you are using an eSIM, you can try disabling and re-enabling it on your iPhone. To do so, open Settings and tap on Mobile Service. Select your eSIM and turn off the toggle next to Turn On This Line. Wait for a few moments, and then turn it back on.

Fix 2: Reset Network Settings

If your SIM card still won’t work on your iPhone even after following the above solutions, resetting the network settings could come in handy. When you reset the network settings, all parameters related to your network are restored to factory settings. So, this might help you get rid of the error.

Step 1: Open the Settings app on your iPhone.

Step 2: Head to Transfer or Reset iPhone. Tap Reset at the bottom and select Reset Network Settings.

Fix 3: Contact Your Carrier’s Customer Support

There’s a good chance that your SIM isn’t functioning the way it should, which is why your iPhone says the SIM is not supported. The best way to deal with any type of issue with your SIM is to contact your carrier. The customer support team can help you resolve any issue with your SIM card, which should ideally get rid of this error.

If your carrier said they couldn’t do anything about it, it’s time to adopt the last resort. Head over to an Apple store and let them have a look at the issue. Ideally, they should help you solve the SIM not supported on iPhone issue by performing a few checks and applying a fix via software.