If you're experiencing SIM card problems on your iPhone, there are a few steps you can try before contacting Apple Support.
• Restarting your iPhone is often the first and easiest troubleshooting step. Hold the power button until the slider appears, then slide it to turn off your iPhone to restart.
• Verify and update carrier settings:
• Contact carrier for eSIM issues: If your iPhone uses an eSIM, make sure your carrier activated it. Contact your wireless carrier's customer support for eSIM verification.
• Reinstall Physical SIM Card: Carefully follow these steps for devices with physical SIM cards:
• Empty your iPhone's SIM card tray. Replace the SIM card carefully, making sure it fits snugly in the tray.
• Try Another SIM: If the problem persists, try a different SIM card (if available). You can buy an extra SIM card at your wireless carrier's store. Ask for help testing your iPhone with another SIM card. This step can determine whether the issue is with your SIM card or device.
• Call Apple Support: If none of the above steps fix the "SIM not supported" issue, contact Apple support. They offer advanced troubleshooting, advice, and assistance tailored to your situation.
Related Complaints
Apple iPhone 14 Pro Max Network And Warranty Problem

Released as new from Canada on 17/04/2023 My iPhone 14 Pro Max had a mains problem on 21/03/2024 even though I paid the tax and registered it. I tried all methods including new physical sim and e-sim. When I couldn't find a solution, I took the device to the Zorlu Center Apple store. They said they ...
iPhone 14 Pro: Network Issue, IMEI Block Linked to Unknown Identity

My iPhone 14 Pro was activated in July 2023, but while I was using it, all of a sudden, the network was no longer available. When I checked the IMEI, ...
Apple 12 Pro Max Warranty Hassle: Multiple Repairs Fail to Solve Persistent Issues
I've had recurring issues with my Apple 12 Pro Max 256GB Pacific Blue model since July 6, 2021, including screen malfunction, SIM card recognition failure, network disruptions, and random shutdowns. In the hopes of finding a solution, I sent the device to the Antalya Markantalya Troy store on June 1...
Brand New Apple iPhone 13 Voice Won't Go To The Other Side
On 05.05.2023, I bought an iPhone 13 brand and model phone for 27.999 TL from the Media Markt store in Van Mall. From the first day I started using it, my voice was transmitted to the other party with very poor quality, noise and wavy during phone calls. Since the sim card I use is quite old, I thou...
Apple iPhone Plugged and Didn't Open The Next Morning, Warranty Denied

I plugged my iPhone 12 phone into the charger at night, when I got up in the morning, I encountered the message of no service, I sent the phone to the iPhone service for warranty, and after about 2 weeks, the service contacted me and said, "Your phone cannot be repaired due to a user error." It was ...
Apple 11 iPhone Gives No Service Error, Serviced A Thousand Times

I sent my Apple 11 phone, which I bought through Media Markt, to the service with a no-service error. The first time it was sent back after the speaker was cleaned, but I encountered the same problem again. The second time it was sent again after the battery was replaced, but I encountered the same ...
Apple iPhone 14 Activation Problem
Apple iPhone 14 Activation Problem, I first called Apple support on 27 February 2023, stating that the Apple iPhone 14, which I bought from abroad on January 8, 2023, from the Apple UK Watford store, started to have problems communicating with the GSM operator after the last update, and after I exit...
Apple Needs to Fix the iPhone 11's Network Problems

I just bought an iPhone 11 from Teknosa, but I've had network problems since the first day. Even though they switched to a different line, the problem still happened. When Teknosa sent it to warranty, the phone came back with no problems, and software was supposedly thrown away. But the problem is s...
