Calif demos untethered iOS 27.0.1 jailbreak on iPhone 18 Pro

Security firm Calif demonstrated an untethered jailbreak on an iPhone 18 Pro running iOS 27.0.1 (build 24A446) at the Hexacon conference in Paris, with the modified state surviving a reboot. No public tool or release date was announced; the researchers said everything will be released in due time.

• Jailbreak persists through reboot and normal passcode unlock
• Video shows root SSH session: uid=0, iPhone19,2, build 24A446
• One-click exploits for Signal and iMessage also shown
• No public tool; Dopamine 3.0 covers only iOS 26.0–26.0.1 on A12/A13