checkra1n 0.11.0 for iOS 14 on A8(X) & A9(X) devices released

checkra1n for A9 or lower release rect

6 days after the launch of iOS and iPadOS 14, today the checkra1n team released the first version of checkra1n for iOS 14, working on A9 (X) devices and lower. Today’s release, checkra1n 0.11.0, will work on the iPhone 6S, 6S Plus, SE 1st gen, iPad 5th gen, iPad Air 2, iPad mini 4, iPad Pro 1st gen, Apple TV 4, and 4K, and Bridge T2.

In a blog post the team explains the changes present in iOS 14 make it harder to enter a device into DFU mode, and make a request to decrypt user data on the Secure Enclave, as per the post:

In iOS 14, Apple added a new mitigation to SEPOS on A10 and above (except on Apple TVs and iBridge): if the device was booted from DFU mode and the Secure Enclave receives a request to decrypt user data, it will panic the device. Since checkm8 does not give us control over the Secure Enclave, this is not trivial to workaround. However, with the recently published blackbird vulnerability, we are able to get control of the Secure Enclave on A10 and A10X and disable this mitigation. Support for A10 and A10X devices is being worked on and is expected to be ready in the coming weeks.

Support for other devices such as the iPhone 7 lineup will be announced in the coming weeks, followed by support for the iPhone 8, 8 Plus, and the iPhone X

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Sami started falling in love with Apple in 2010 with the iPhone 4S. As a registered developer, he deeply admires the world of Apple. Sami is an aspiring journalist, writer, and actor. He also has devoted his life to sharing his passion and knowledge with others around the world.