Current command:
hf fudan wrbl --help
Write fudan block with 4 hex bytes of data usage: hf fudan wrbl [-h] --blk <dec> [-k <hex>] [-d <hex>] options: -h, --help This help --blk <dec> block number -k, --key <hex> key, 6 hex bytes -d, --data <hex> bytes to write, 4 hex bytes examples/notes: hf fudan wrbl --blk 1 -k FFFFFFFFFFFF -d 01020304