The device can still be charged over USB, but after 7 days, it won’t give up data without a passcode, meaning that at least some backdoor ways to get at data won’t work anymore. To improve security, for a locked iOS device to communicate with USB accessories you must connect an accessory via lightning connector to the device while unlocked - or enter your device passcode while connected - at least once a week. If the device is unlocked with a passcode, the data transfer over USB will be re-enabled.
But once the Lightning port has been disabled for a week, thieves or investigators won’t be able to get at data by pairing the device to a computer or USB accessory. Without a passcode to unlock the device, they won’t even be able to get into it using an existing iTunes pairing record, used to recognize PCs that are ‘trusted’ by the device, also known as a lockdown record.
As ElcomSoft researcher Oleg Afonin has explained, forensics experts have found pairing records to be “immensely handy” for extracting device data without having to first unlock it with a passcode, a fingerprint press or a trusted face. Lockdown records aren’t foolproof when it comes to getting into phones without those unlocking techniques, but on the upside for police or thieves, you could use old records - Afonin mentioned using a year-old lockdown record.
That is, you could do that up until recently. In iOS 11.3 beta Release Notes, Apple said it was adding an expiration date to lockdown records. In a post published on Tuesday, Afonin said that it’s not clear yet whether the iPhone unlocking techniques developed by outfits such as Grayshift and Cellebrite will be blocked by the new USB Restricted Mode.
According to Grayshift’s reported marketing materials, its iPhone X and 8 unlock tool is called GrayKey. Grayshift claims its software works against disabled iPhones, which is one of the states an iPhone can enter if a passcode is entered incorrectly too many times. Law enforcement agents using a tool like GrayKey have apparently only needed two things to get into an iOS device: physical access and enough time.
As Forbes has reported, the tool might hack Apple’s Secure Enclave: the isolated chip in iPhones that handles encryption keys. Secure Enclave makes it time-consuming to brute-force a phone by incrementally increasing the time between guesses: up to an hour for the ninth attempt and onwards. The new USB Restricted Mode will sharply curtail the time investigators have to break into an iOS device.
That is not possible with Face ID. Face ID makes a map of a single face and that's the only face that can unlock the iPhone X. To add a new face, the existing face must be removed. You don't need to hold the iPhone X right in front of your face for it to make a Face ID scan. On stage at the keynote event, it was shown held at a comfortable viewing angle and held flat downwards while making an Apple Pay payment at payment terminal.
Face ID replaces Touch ID when authenticating Apple Pay purchases. When checking out with Apple Pay, a glance at the iPhone X will authenticate a payment, and a double click on the side button of the device will confirm it. Face ID will also work in lieu of Touch ID for confirming iTunes payments, accessing secure apps, and more. All third-party apps that use Touch ID will also be able to use Face ID. With the "attention aware" feature, the iPhone X knows when you're looking at it. Face ID is powered by a two-core neural engine built into the A11 Bionic chip. It works in real time and can process more than 600 billion operations per second.
You will be prompted to restart iPhone. Click Accept to restart in order to complete unlock and activation process. Sometimes, activation of Sprint/Verizon/Japan AU may hit a snag especially with older interposers. To bypass this, you will have to install appropriate auxiliary patches for a fee or free. This RPatch file is provided by the manufacture of the interposer.
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