Following the release of iOS 14.4.1 on March 8, Apple discontinued signing iOS 14.4, the previous version of iOS 14. As the software is no longer signed, it is no longer possible to switch from iOS 14.4.1 to To downgrade iOS 14.4 if you have already upgraded your iPhone or iPad.
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Apple regularly stops signing older versions of software updates after new versions appear to encourage customers to keep their operating systems up to date.
iOS 14.4.1 was an update to the security solution that addressed a WebKit vulnerability that could allow maliciously crafted web content to execute code.
iOS 14.4.1 is the current public version of iOS that people can download, but Apple has also provided iOS 14.5 to developers and public beta testers for testing purposes. iOS 14.5 is by far one of the biggest updates of iOS 14 ,, which introduces a feature to unlock an iPhone when you wear a mask with an Apple Watch, add Dual-SIM 5G support, compatibility with the latest game controllers and more offers.