What you need to know
- Apple has stopped signing iOS 15.4.1 after releasing a newer version of the software.
- Users are now unable to install iOS 15.4.1 on their iPhones.
- The only version of iOS that is now available to be installed is iOS 15.5.
Apple has stopped signing iOS 15.4.1, meaning that it is now blocking downgrades to that version of iOS on the iPhone. This means that anyone who wants to install a version of iOS must now install iOS 15.5.
Apple is known to stop signing older versions of iOS as it releases newer versions in order to make sure that users are running the latest version of Apple's software for the iPhone. Newer versions of each software not only include new features and bug fixes but performance improvements and security updates as well.
Now, anyone who attempts to restore an iPhone will have only iOS 15.5 as Apple is now blocking downgrades to iOS 15.4.1. Those who are on the developer and public beta train can, of course, still install the latest iOS betas.
While some do enjoy the option of downgrading to an earlier version of iOS as a backstop to issues with a newer version of the software, that opening is usually short. If you are running iOS 15.5 and experiencing issues, you'll need to wait until Apple releases a newer update.
iOS 15.5 is the latest public version of iOS 15. It added some new ways to manage Apple Podcasts downloads but did not bring any other major features. It also rolled out a number of the usual bug fixes and performance improvements.
Bottom line: The iPhone 13 is the best iPhone for most people, with impressive new cameras and notable improvements to battery life. Without all the bells and whistles of the Pro line, the iPhone 13 and iPhone 13 mini are still powerhouses that'll keep owners happy for years to come.
Joe Wituschek is a Contributor at iMore. With over ten years in the technology industry, one of them being at Apple, Joe now covers the company for the website. In addition to covering breaking news, Joe also writes editorials and reviews for a range of products. He fell in love with Apple products when he got an iPod nano for Christmas almost twenty years ago. Despite being considered a "heavy" user, he has always preferred the consumer-focused products like the MacBook Air, iPad mini, and iPhone 13 mini. He will fight to the death to keep a mini iPhone in the lineup. In his free time, Joe enjoys video games, movies, photography, running, and basically everything outdoors.
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