In AI, a prompt written to get a model past its safety rules, so that it produces what it was built to refuse.
On phones and consoles the same word means removing the maker's restrictions on what software can run.
The demonstration suggests Lockdown Mode, built for users at risk of mercenary spyware, does not fully block this attack path, though Calif is reporting the flaws to Apple rather than publishing a tool.
Devices on older releases also receive patches, including a zero-day Apple says was used in an extremely sophisticated attack.
The tethered, software-only exploit must be launched through a game each time, and its wider impact is still unclear.
The findings add to concerns that open-weight models can be pushed past their safety layers and used for abuse.
SharpEmu can now run real game code, while Relapse widens the range of PS5 units that can be jailbroken.
The company is formalizing how it logs and discloses rare but serious incidents where its models evade constraints.