Four weeks after the release of iOS 8.3, Apple stopped signing iOS 8.2. This means that users are not
will be able to downgrade the firmware from iOS 8.3 to iOS 8.2.
This could be verified by visiting ipsw.me, a website that shows the real-time signing status of iOS firmware files.
This is not the main problem for jailbreak lovers, as it has still not been possible to jailbreak iOS 8.2.
Terminate iOS 8 subscription.2 It comes as no surprise that over the past few years, Apple has been using this strategy to keep hackers at bay. Apple is no longer signing older iOS firmware files to prevent users from reverting back to an older version of iOS that could be jailbroken.