MacBook Pro (820-02773 - A2338 M2)

[2informaticos]

You may need to connect a good battery and trackpad.
Unfortunately, we don't have a list with boards which can perform DFU w/, or w/o specific accessories connected.

Also the information about error codes is not very clear...

DFU Mode Restore (Macs) - LogiWiki

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[2informaticos]

If NANDs are good, there may be a problem with CPU, if still fails DFU.