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No, Your iPhone Is Not ‘Mysteriously Rebooting’: Here’s What’s Happening (www.forbes.com)

submitted 3 days ago by [email protected] to c/technology

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[–] emax_gomax 119 points 3 days ago (1 children)

Apple quietly introduced code into iOS 18.1 which reboots the device if it has not been unlocked for a period of time, reverting it to a state which improves the security of iPhones overall and is making it harder for police to break into the devices, according to multiple iPhone security experts

Click bait title as always. So yes, your iPhone is mysteriously rebooting. I guess it just isn't that big of a mystery anymore.

[–] [email protected] 14 points 3 days ago

404 Media also goes into more detail of exactly what’s happening and, crucially, when. According to Chris Wade, founder and CTO of the cybersecurity startup Corellium, the reboot happens after four days.

Well, that’s information which will be useful to the police in Detroit, who can simply ensure they access each iPhone before the four days’ limited expires.

Of course, as the report goes on, it means that the real target of this update, criminals who have stolen your iPhone, will also now know to check in with the phone every few days. As cryptographer Matthew Green pointed out to 404 Media, “This feature means that if your phone gets stolen, the thieves can’t nurse it along for months until they develop the tech to crack it. I would bet that rebooting after a reasonable inactivity period probably doesn’t inconvenience anyone, but does make your phone a lot more secure. So, it seems like a pretty good idea.”

The original issue was making police in Detroit think that a series of iPhones were sneakily communicating with each other, as we’ll discuss below, but a new report talks about a “hidden feature,” as Charles Martin at Apple Insider describes it.

This feature is called inactivity reboot and it means that if the iPhone hasn’t been unlocked for a certain period of time, it will automatically reboot. Rebooting puts the iPhone in a state where a physical password is required to unlock it, “and is similar to a feature found on Macs. The Mac version, known as ‘hibernation mode,’ saves the state of the device to disk when put to sleep, in case the power fails or the battery runs out before the user can return to the machine,” as the report describes it.