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Owners of recent models of the iPhonehave expressed dissatisfaction due to a bug that appeared in the most recent update to the iOS. The problem, introduced with the iOS 17.2.1, appears to affect the device's connectivity with the mobile carrier.
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According to reports on the support forum of the Apple, the update is preventing iPhones from making or receiving regular phone calls, as well as from accessing the internet via the local network's 4G and 5G mobile data.
Even after attempting to restart the iPhone or swap out the SIM card, the problem persists, and it is not tied to a specific carrier or location. There are also reports of increased battery drain and overheating on the iPhone 15, which had already been identified and fixed in the previous update.
The update in question was an emergency patch for the iOS 17.2, a major update for smartphones, and although it included new features and security measures against Flipper Zero, it apparently caused some compatibility issues.
How to Fix a Network Error in iOS 17.2.1
Currently, there is no definitive solution to fix the carrier connection issue in iOS 17.2.1. If your device is affected, we recommend waiting for an emergency update from Apple. Some users have managed to resolve the bug by disabling VPNs or deleting active VPN profiles on their devices, but this method seems to work only in specific cases.
A future version of the mobile operating system is expected to be released to fix this bug.