IT Home February 3 news, Apple iOS 15.2.1 official version of the verification channel closed, has been upgraded to iOS 15.3 official version or iOS 15.4 beta version of the user, will not be able to downgrade to iOS 15.2.1 official version.
IT Home learned that the official version of Apple iOS 15.2.1 was pushed on January 13, with a number of bug fixes:
Addresses an issue where messages sent over iCloud links won't load.
Fixed an error where third-party CarPlay apps were not responding to input.
Addresses an issue that could cause maliciously crafted HomeKit names to be denied service, causing iPhones and iPads to not work.
For users who encounter serious errors after upgrading, restoring your iPhone or iPad to a previous version can sometimes resolve the issue, but for now you can only wait for the next iOS version to be released.
The latest official release, iOS 15.3, fixes the Safari vulnerability that could be used to collect the most recent browsing history and identity information of Safari users.
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