sunxi-fel(1) on Linux
The text ba453f99c848, as Debian 12 (Bookworm) shipped it.
controlling USB BootROM protocol for Allwinner CPUs
Flags it lists
-
--dev -
--help -
--list -
--progress -
--sid -
--verbose -
-d -
-h -
-l -
-p -
-v