PM3 Commands Reference (Iceman Firmware):

Main Help

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Current command:
hf mfu setuid --help

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Set UID on MIFARE Ultralight tag.
This only works for `magic Ultralight` tags.

usage:
    hf mfu setuid [-h] [-u <hex>]

options:
    -h, --help                     This help
    -u, --uid <hex>                New UID (7 hex bytes)

examples/notes:
    hf mfu setuid --uid 11223344556677