So you shorted NAND flash pins with the needle until it was detected via USB?
Guess that would make sense too, as the device is likely looping/hanging when loading the incompatible uboot.
In my case I could see it looping with initialzation messages coming over the serial line.
Shorting the flash will disable it and the device will likely skip loading anything (like incompatible uboot) from it and go on to USB/SDcard etc.
You just want to watch out which NAND-pins are being shorted, as it could destroy the flash or other parts of the device.
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