IOS 26 has been available since mid-September, and Apple has been increasingly expanding the hesitant users to update. However, this decision must be carefully taken into consideration, because it is no longer possible to demote to an anterior iOS version.
New updates can often cause problems, especially when they introduce not only new features, but also a completely new look, such as iOS 26. Users report on social media on the lifetime of the shorter battery, Bluetooth and overheating problems. Until a few days ago, affected users could always return to iOS 18. It is no longer possible, because Apple has stopped signing iOS 18.6.2 for all models that also support iOS 26.
Why should an iOS version be “signed”?
The demotion process to an old iOS version is not simple. Unlike live updates (OTA), which automatically set up, it requires an IPSW archive file. Although this can be downloaded in a browser, the installation only works via iTunes for Windows or Finder in MacOS.
The problem: Apple update servers only accept the installation of signed iOS versions. This guarantees that the older and potentially insecure – are no longer disseminated versions. Without signature, the archive file cannot be installed on the iPhone.
More demotion after update to iOS 26
In the current situation, Apple has ceased to sign iOS 18.6.2, as indicated by sources such as “Macrumors. “Currently, only iOS 18.7 and iOS 26 are available as signed versions.
Those who have not yet updated to the latest iOS version can always install iOS 18.7 and thus delay the transition. The latest iOS 18 version offers the same level of security as iOS 26 but potentially causes fewer problems. Updates to come like iOS 26.1 are also likely to be accompanied by safety fixes in the form of 18.7.1, etc. Hesing users still have time.
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