Apple Stopped Signing IOS 15.4.1 And Will No Longer Allow Downgrades After Installing IOS 15.5

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After the launch of IOS 15.5 on May 16, apple stopped signing IOS 15.4.1 today Since IOS 15.4.1 is no longer signed, it is impossible to downgrade to this version after installing IOS 15.5. After the new version comes out, apple usually stops signing the software updates of the old version to encourage customers to keep the operating system updated, so it is normal that IOS 15.4.1 is no longer signed.

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IOS 15.4.1 is a small update that solves a problem that may cause iPhone The problem of faster battery consumption after the release of IOS 15.4. It also solves an appleavd problem that may allow applications to execute arbitrary code with kernel privileges, Apple The company said the problem was actively exploited.

IOS 15.5 adds Apple cash functionality for requesting and sending money, as well as new features of podcasts and fixes for home automation problems. It also includes several security updates, which should be upgraded for those who have not yet upgraded to IOS 15.5.

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