iPhone 7plus ios15.4.1 Test failed

[iCloudfmioff]

For iPhone 7plus ios15.4.1, the ramdisk file has been successfully created. After the image is written, many codes appear on the phone screen, and the SSH channel cannot be opened normally?The computer shows no USB device connection.

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[dfas5fd498]

21/5000
翻译
How did you get the firmware for ibss ibec