iOS 15.2.1 Stop Updating

iPhone cannot be downgraded after upgrading to the official version of iOS 15.3

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The verification channel for the official version of Apple iOS 15.2.1 is closed and users who have upgraded to the official version of iOS 15.3 or the beta version of iOS 15.4 will not be able to downgrade to the official version of iOS 15.2.1.

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  • The official version of Apple’s iOS 15.2.1 was pushed on January 13, with a number of bug fixes:
  • Resolved an issue where messages sent via an iCloud link would not load.
  • Fixed a bug where third-party CarPlay apps would not respond to input.

Addresses an issue that could cause a maliciously crafted HomeKit name to be Denial of Service, preventing iPhones and iPads from working.

For users experiencing critical errors after an upgrade, reverting an iPhone or iPad to a previous version can sometimes solve the problem, but for now, it’s time to wait for the next iOS release.

The latest official version is iOS 15.3, which fixes the Safari vulnerability, and can be used to collect the recent browsing history and identity information of Safari users.

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