Apple has closed the iOS 11.4 verification channel: it cannot be downgraded
Last week, the iOS 11.4.1 system was officially released. Although it is not an updated version, it does contain many bug fixes and performance improvements. If there are no accidents, iOS 11.4.1 is likely to be the last update of the iOS 11 system. At present, Apple has shifted its focus to iOS 12, which was unveiled at the WWDC conference last month. Just in the early hours of this morning, Apple also released the fourth developer beta version of iOS 12. Before the official version arrives, Apple will test iOS 12 through various betas to ensure that it can be tested in two months. Officially released. Following the release of the iOS 11.4.1 update last week, Apple today closed the verification channel for the iOS 11.4 system. With the release of the new version of iOS, Apple usually closes the verification channel of the old version, which means that users will not be able to downgrade from iOS 11.4.1 to iOS 11.4. Generally speaking, Apple does this to ensure that users can upgrade to the latest iOS system. The most affected are users who are not used to the new version or want to downgrade because of problems.