Extra Quality - Playstation Scph-5500 -v3.0 Japan- Bios Scph5500.bin

Even the holy grail has its quirks.

Example A — Verifying a BIOS dump’s checksum Playstation Scph-5500 -v3.0 Japan- Bios Scph5500.bin

Focus on the of how he "hacks" the firmware Which direction should we go? Even the holy grail has its quirks

Help finding for a Japanese console.