HY27UF082G2B.zip (11.28 mb)
HY27UF082G2Bnospare.zip (11.08 mb)
Attached is the NAND dump from this device. Definitely a breed of Linux, so absolutely a GPL violation. More probing needed on it though.
One image includes the spare blocks from the NAND, the other does not. I don't think they're really used though.