dfu= device firmware update, it is the same as download mode that these Sierra devices use(your 6400 is a Sierra device)
9008 mode is the mode known as emergency and is the mode made for wiping/writing from 0 to the end 7ff if it is a 4k system or 1000 if it is a 2k system, your 6400 is a 4k system ...
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- Mon Oct 23, 2023 9:37 am
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