Apple recently documented a new data recovery process internally for Macer using its T2 chip introduced with iMac Pro and 2018 MacBook Pro. The new process for repair personnel is introduced because of the T2 chip's advanced security features, including hardware encryption for SSD storage that is not compatible with Apple's previous data recovery methods used on older machines.
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Apple notes that the process of data transfer for the Mac with the T2 chip will be used when the repair staff are presented with a customer's machine that needs logical card repair and when the logic card is "partially functional ". The process also requires the system to turn on.
To complete the process, Apple's repair staff uses a Thunderbolt (USB-C) for Thunderbolt 3 (USB-C) or Thunderbolt 3 (USB-C) for USB-A cable and other host machines as well as an external hard drive where data is transferred. From there, the machines can be inserted into DFU mode and the data recovery process can be started from Apple's internal diagnostic tool.
Apple's previous MacBook Pro data recovery tool before T2
Although Apple's tool takes about 10-20 minutes to partition the external hard drive, Apple notes that data transfer of course depends on the amount of data and could take up to two days.
When Apple introduced the MacBook Pro 2018, some users discovered that they had a teardown of the machine that Apple had removed a special SSD connector used on the previous MacBook Pro generation for data recovery of employees on the device's non-removable SSD . That change was actually made because Apple introduced the T2 chip on the machine. It needed a new data recovery and the contact was not required.
While the new T2 chip provides a variety of security features, including on fly encryption (makes SSD immaculate if removed from the machine), it also has many other new features in the new MacBook Pro and iMac Pro. The new security features have specifically provided protection against potential real security issues for Mac users with a report last week, and noted that "almost all" Mac and Windows laptops and discs were at risk from data tags with the exception of Macs using the new T2 chip.
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