nazsubs, просто наверно в утилите mmc нет такой команды? "unlock_sd".
Вчера с помощью сборки от"гиббона" разлочил старую флэху mmc на 4 Гб от официалов
Поиграл с коммандами cat /sys/block/mmcblk0/device/cid
Cid - Card Identifaction Register
csd - Card Specific Data Register
scr - SD Card Configuration Register (SD only)
date - Manufacturing Date (from CID Register)
fwrev - Firmware/Product Revision (from CID Register) (SD and MMCv1 only)
hwrev-Hardware/Product Revision (from CID Register) (SD and MMCv1 only)
manfid -Manufacturer ID (from CID Register)
name-Product Name (from CID Register)
oemid - OEM/Application ID (from CID Register)
prv - Product Revision (from CID Register) (SD and MMCv4 only)
serial - Product Serial Number (from CID Register)
erase_size - Erase group size
preferred_erase_size - Preferred erase size
raw_rpmb_size_mult - RPMB partition size
rel_sectors - Reliable write sector count
ocr - Operation Conditions Register
dsr - Driver Stage Register