Apple said that some iPhone 14, iPhone 14 Plus, iPhone 14 Pro and iPhone 14 Pro Max users may see a “SIM not supported” message on their device. After such an error message appears on the screen, the smartphone may freeze.
Doesn’t seem to be a hardware issue.
The company from Cupertino stated that it is investigating the problem and that it is not a hardware error, while customers should keep their software up-to-date. He also made some suggestions to users who had problems.
Apple recommends that anyone encountering this error first wait a few minutes for the message on the screen to disappear. If the problem persists, the restoration should not be performed and the nearest authorized service center should be contacted.