Apple turns off iOS 15.6 verification channel, making it impossible for iphones to downgrade after upgrading to iOS 15.6.1
Just a week after releasing the official version of iOS 15.6.1 to all users, Apple has stopped signing iOS 15.6, shutting down the verification channel. As a result, users can no longer downgrade their iPhone, iPad, and iPod Touch software from iOS 15.6.1 to iOS 15.6. This has a direct impact on users waiting for jailbreak tools.
Apple's iOS 15.6.1 was released on August 17th, with overall Bug fixes and performance improvements. Apple also fixed two major security flaws with updates. Both vulnerabilities allow applications to execute arbitrary code with kernel permissions without user consent.
As for iOS 15.6, the update was released on July 20 and will allow users to pause or replay live sports within the Apple TV app. This update also includes Bug fixes and security improvements. The main reason Apple doesn't allow users to downgrade their devices is that older versions of iOS are more vulnerable to security vulnerabilities.
Users of jailbroken iphones and ipads often revert to older versions of iOS. Earlier this month, the Odyssey team announced that they've been working on their first jailbreak tool for devices running iOS 15, the IT House has learned. However, the tool is only available for iOS 15.0 through iOS 15.1.1 because system protection is becoming more powerful.
The developers behind the jailbreak tool say they've been working to expand support for iOS version 15.4.1, but it's taking longer. Of course, if a user has updated their device to iOS 15.6.1, there is no way to roll back to these versions.
For users who experience major bugs after upgrading to the latest version of iOS, it can sometimes be helpful to restore Apple devices to previous versions of iOS.
However, for now, if users experience any problems with iOS 15.6.1, they will have to wait until a future update and will not be able to downgrade to iOS 15.6. Apple has also been working on a Beta version of iOS 16, which is expected to be released to the public in September.
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