# Manufacturing Date (MDT) - bits from byte 14 (nibbles) mdt_byte = cid_bytes[14] year_nibble = (mdt_byte >> 4) & 0x0F month_nibble = mdt_byte & 0x0F # Year offset from 1997 (JEDEC standard) year = 1997 + year_nibble print(f"Manufacturing Date: year:04d-month_nibble:02d (nibble year offset)")
mdt_raw = (cid_bytes[3] << 8) | cid_bytes[2] year = 2000 + ((mdt_raw >> 4) & 0xFF) month = mdt_raw & 0x0F emmc cid decoder
By decoding the CID before and after an operation, you can detect if the eMMC has been swapped. eMMC CID Decoder (Python Script) Locking Software to