The demul mpr 21931 ic501 repack issue highlights a larger truth about emulation:
version). You may already have the right file under a different name: Original Name: 1_01d_01.bin (CRC: 89F2B1A1) Required Name for Demul: mpr-21931.ic501 2. Correct Folder Placement demul mpr 21931 ic501 repack