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Hello everyone, today we are going to understand the method of brushing T2 and error instructions

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First of all, the T2 brush method is available on Apple's official website

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All you have to do is follow the official step-by-step instructions

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Next, we will introduce the error in the process of brushing T2锛?

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and how to solve it

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The first step is to install the latest version of the MAC system

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apple configurator 2

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The system is not up to date and will report error 10

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Second, the computer must enter the DFU mode

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Third, in the process of brushing T2, it will first verify the lower layer of T2

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At this point, the working conditions of T2 should be normal

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Next, verify the upper level RAM of T2

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The upper layer will report error 4014 if there is a problem

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After the upper layer has no problems, the device on the I2C0 bus of T2 will be verified,

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mainly to verify whether the adapter has a boost

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Verify the CD3215 or CD3217 chip

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If there is a problem, the error 4014 will be reported immediately

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After the I2C0 bus of T2 is verified, the hard disk is verified

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When verifying the hard drive,

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it reads and then writes

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The disk is read first

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If there is a problem during the read process, error 4014 is displayed,

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which generally indicates that the underlying data of the disk is damaged

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Write to hard disk, error 9 or 6 will be reported if there is a problem

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Error 6 is mostly the hard disk installed backwards,

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error 9 is reported, if the screen is on, the hard disk is broken

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Error 9 is reported, if the screen is not displayed, there is usually a CPU or PCH problem

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Error 9 is the most difficult to fix

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After the hard disk is verified, if the T2 logic code chip is verified, error 14 or 27 will be displayed

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After verifying the logic chip, verify CPU and PCH, error 75 or 78 will be reported if there is any problem

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Next, verify the touchpad

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If there is a problem, error -1 will be reported, and the touchpad will not be brushed

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Next, we have to verify the fingerprint, and if there is a problem, error 1 will be reported

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Ok, here is how to brush T2 and the error description