1D Mark IV

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Available firmware dumps & updatesEdit

fileLen = 0xc5d10c
---.fir header---
0x000: modelId = 0x80000281, (1D Mark IV, DryOS)
0x010: version = 1.0.6
0x020: checksum = 0x9d7be324
0x024: updater1 header = 0xb0
0x028: updater1 offset = 0x120
0x02c: updater2 offset = 0x1bd890
0x030: firmware offset = 0x22c140
0x034: 0xffffffff
0x038: embedded file size = 0xc5d10c
0x03c: 0x0
0x040: sha1 seed = 0x6498e8b6
0x044: 0x00000004 0x00000000 0x00000020 0x00000024 0x00000044 0x000000b0 0x0022c090
0x060: 0x22c140
0x064: firmware length = 0xa30fcc
0x068: updater1 hmac-sha1 = 96e5a536aca3c70fda691af6801b0e62e2927bca
0x088: firmware hmac-sha1 = 9bc847877f10e7aae500483baaf554cd1d194bb0
---updater1 header---
0x0b0: updater1 length = 0x1bd770. starts at 0x120
0x0b4: 0x1bd764
0x0b8: 0x0
0x0bc: xor seed value = 0xec49877a
0x120: --- updater1 (ciphered) ---
---updater2 header---
0x1bd890: (+0x000), modelId = 0x80000281, (1D Mark IV, DryOS)
0x1bd8a0: (+0x010), version = 1.0.6
0x1bd8b0: (+0x020), checksum? = 0xfd4ec375
0x1bd8b4: (+0x024), 0xb0
0x1bd8b8: (+0x028), 0x120
0x1bd8bc: (+0x02c), ffffffff ffffffff ffffffff
0x1bd8c8: (+0x038), updater length (including header) = 0x6e8b0. starts at 0x1bd890
0x1bd940: (+0x0b0), updater length = 0x6e790. starts at 0x1bd9b0
0x1bd944: (+0x0b4), 0x6e78c
0x1bd948: (+0x0b8), 0x0
0x1bda6c: (+0x0bc), xor seed value = 0x2be96fb6
0x1bd9b0: (+0x120), --- updater2 (ciphered) ---
---firmware header---
0x22c140: (+0x000), offset to decryption data = 0xc
0x22c144: (+0x004), offset to encrypted data = 0x7c. starts at 0x22c140
0x22c148: (+0x008), total firmware length (including header) = 0xa30fcc. starts at 0x22c140
0x22c14c: (+0x00c), firmware length (encrypted part) = 0xa30f50. starts at 0x22c1bc
---firmware (encrypted)---
0x22c1bc: (+0x07c)

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