820-01521 AMRestoreErrorDomain - 0x9 (9)

MarcinRdm

Member
Mac is stock on 20V 0.3A.
Its stuck in recovery mode in Apple configurator 2. It begins installing the system using system restore. The outputs
"failed to recive message from device, might be a connection problem with usb host) [AMRestoreErrorDomain - 0x9 (9)]
SLPS2R I AWAKE are present
What to do ?
 

2informaticos

Administrator
Staff member
More probably a T2 problem than CD3215.
T2 should enter to DFU with just 5V input voltage on USB-C port.
 
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