iPhone users no longer able to downgrade to iOS 26.4

As spotted by MacRumors, Apple stopped signing iOS 26.4 earlier today, which means that it is now impossible to downgrade ...
CNET

iOS 26: Here's Everything You Need to Know About the iPhone Software

Want to change your iPhone's Liquid Glass design or curious about what could land on your device next? Look no further.

iOS 26.4.1 Release: Crucial iPhone Feature Update Arrives, But No Security Fix

Here it is, an iPhone update that has landed just over two weeks since the last iPhone release, unexpectedly landing midweek.
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Apple blocks iOS 26.2 downgrade, shuts rollback window for iPhone users after iOS 26.2.1 update

Apple has now stopped users from signing iOS 26.2, restricting the iPhone users who have already updated to iOS 26.2.1 from rolling back to the previous version of the operating system. This comes ...

iOS 26.4.1 now available for iPhone users, here’s what’s fixed

iOS 26.4.1 is available now with build number 23E254. iPhone users can head to the Settings app, choose General, then choose ...