# For 4MB RPMB (8192 sectors of 512 bytes) mmc rpmb erase-block /dev/mmcblk0 0 8192
mmc extcsd read /dev/mmcblk0 | grep -E "MANUFACTURER|REV|PRV|CARD_TYPE" clean rpmb emmc skhynix
, which is a lifesaver for modern Android repairs where you cannot extract the original EFS/IMEI backup. Technical Findings: Chip Info: Detected as SK Hynix eMMC 5.1. RPMB Status: Verified 'Clean/Not Provisioned' using Easy JTAG Plus Compatibility: # For 4MB RPMB (8192 sectors of 512