PM3 Commands Reference (Iceman Firmware):

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Current command:
lf t55xx write --help


Write T55xx block data

usage:
    lf t55xx write [-ht] -b <0-7> [-d <hex>] [-p <hex>] [--pg1] [--verify] [--r0] [--r1] [--r2] [--r3]

options:
    -h, --help                     This help
    -b, --blk <0-7>                block number to write
    -d, --data <hex>               data to write (4 hex bytes)
    -p, --pwd <hex>                password (4 hex bytes)
    -t, --tm                       test mode write ( danger )
    --pg1                          write page 1
    --verify                       try validate data afterward
    --r0                           downlink - fixed bit length (detected def)
    --r1                           downlink - long leading reference
    --r2                           downlink - leading zero
    --r3                           downlink - 1 of 4 coding reference

examples/notes:
    lf t55xx write -b 3 -d 11223344                               -> write 11223344 to block 3
    lf t55xx write -b 3 -d 11223344 --pwd 01020304                -> write 11223344 to block 3, pwd 01020304
    lf t55xx write -b 3 -d 11223344 --pwd 01020304 --verify       -> write 11223344 to block 3 and try validating write