Downgrading iPadOS 26 to iPadOS 18 is Not Possible, But This Silly Workaround Gets You Back to iPadOS 18 osxdaily.com

If you’re an iPad user and you really don’t like the iPadOS 26 update for whatever reason, you probably already looked around for ways to downgrade iPadOS 26 back to iPadOS 18, and you likely found that it is no longer possible to perform that downgrade. This is because Apple has locked down iPadOS 18 firmware by no longer digitally signing it, making it impossible to downgrade back down to that iPadOS version once your iPad is already running iPadOS 26 (or later).