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Fujifilm Firmware patcher

Capabilities:

  • Loads and parses firmware files into ArrayBuffer
  • Exports firmware payload for dissasembly and examination
  • Brute force search and replace patching
  • Change firmware version (for upgrade or downgrade)
  • Assembles and applies firmware patches in-browser with keystone.js
  • Parses model C header files with cpp.js and uses info to patch firmware
  • As many sanity checks as possible to prevent any mistakes

Both a web version and Node-based CLI version is available. Firmware is automatically pulled
and patched in the Github actions workflow to make sure the checksum doesn't change unless when expected.