Apple Stops Signing iOS 18.6.2, iOS 26 Downgrades Now Impossible

Apple has stopped signing iOS 18.6.2, which means that if you've upgraded to iOS 26, you're no longer able to downgrade to a ...
Tech Times

Apple Locks Users Into iOS 26—Here's Why You Can't Revert Anymore

Apple has stopped signing iOS 18.6.2, meaning users who upgrade to iOS 26 can't roll back, leaving iPhone, iPad, and Apple TV owners locked in.
TidBITS

#1773: macOS 26 Tahoe pushes FileVault, removes FireWire support, and snubs M3 Ultra Mac Studios; plus older OS security fixes

Following last week’s big release, we’re focusing on macOS 26 Tahoe details of interest to both early adopters and those waiting on the sidelines. Notably, macOS 26 now enables FileVault boot ...

iOS 26 Issues? Apple No Longer Lets You Downgrade To iOS 18

The iOS 26 update is impressive, but there's bad news if you didn't like it. Apple doesn't allow users to downgrade to iOS 18 ...