iOS 26.4 No Longer Signed by Apple, Blocking Downgrades From iOS 26.4.1

Apple today stopped signing iOS 26.4, so iPhone users who have updated to iOS 26.4.1 are no longer able to downgrade to the ...

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 ...

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.