Published: Tue, July 10, 2018
Technology | By Christopher Mann

IOS 11.4.1 brings USB Restricted Mode but it has a bug

IOS 11.4.1 brings USB Restricted Mode but it has a bug

It's worth pointing out that if you would like to immediately require authorisation for USB accessories, you can do the same trick that disables Face ID and Touch ID temporaily: simply hold down the side buttons until the "Slide to power off" screen appears.

The feature, which you'll find in iOS 11.4.1, locks down the data connection over the Lightning port one hour after the last time your iOS device is unlocked.

Apple has released tvOS 11.4.1 for the Apple TV. If you have accessories that you want to continue working after your iPhone has been sitting locked, you can actually toggle the option on to remove the one hour limit. However, if you want the update right away, you can use the Home app on your iPhone to do so.

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If however someone does get to a phone within that hour period, they can shove in a USB accessory and prevent the smartphone from going into restricted mode until they have a chance to attach a cracking box later on. The resetting of the built-in feature works even with an untrusted USB accessory, one that has never been paired with the device before. USB Restricted Mode will be optional, of course; users can enable or disable it via their device's settings menu.

It has been seen that the lock doesn't get affected with Apple Lightning to 3.5mm jack adapter, though the one-hour countdown was reset through the official Lightning to USB 3 Camera Adapter.

Greyshift claimed it had already worked around that restriction but it might not have to, at least not for a while.

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The latest point update of iOS comes nearly a month after Apple had released iOS 11.4 with some major audio focused improvements.

iOS 11.4.1 includes bug fixes and improves the security of your iPhone or iPad.

Today, Apple released iOS 11.4.1 for iPhones and iPads-a small update that fixes a couple bugs and introduces a new security feature. The device can then be accessed once again through USB. Elcomsoft is a company that makes forensic tools for governments and law enforcement, so it is in the company's interest to break this new lock.

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