Calif says it jailbroke the iPhone Duo on launch day
Hacker team Calif said it jailbroke an iPhone Duo running iOS 27.1 hours after release. No tool has been released for end users, while researcher Stefan Esser said a proof of concept may be forthcoming.
Hours after the iPhone Duo was released, hacker team Calif said it had jailbroken the device running iOS 27.1.
Calif demonstrated animated icons and widgets moving on the phone and added an anime character to its screen. The team has not released the jailbreak itself.
Earlier iPhone 18 Pro demonstration
A week earlier, Calif published videos showing an untethered jailbreak on an iPhone 18 Pro running iOS 27.0.1. The device rebooted in the footage, with root access still available afterward.
Security researcher Stefan Esser told German outlet Heise that there would be no jailbreak tool for “end users.” He said a proof of concept could nevertheless be released later.
Most vulnerabilities are being fixed
Esser said the iOS 27.0.1 jailbreak relied on bugs Calif had already disclosed or planned to disclose to Apple soon. He said most of those vulnerabilities are fixed in the upcoming iOS 27.2 update.
Artificial intelligence was used during development, but Esser did not explain how.
What we know
- Calif said it jailbroke the iPhone Duo running iOS 27.1 hours after release.
- The team showed moving icons and widgets and added an anime character to the display.
- No tool for end users has been released; only a proof of concept may appear.
- Stefan Esser said most of the vulnerabilities used are fixed in iOS 27.2.
Trust: Single source
- The story relies on one publisher. A second independent confirmation has not been established from the cited sources.
- Sources: MacRumors.
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