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DUNE HD STB -- EMERGENCY FIRMWARE RECOVERY ERROR CODES
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When emergency firmware recovery procedure fails, the
"dune_firmware_recovery.log" file is created in the root directory of the
USB flash drive. This log file contains, among other messages, error code.
Below is the list of possible error codes.

See here http://files.dune-hd.com/partners/sdk/sdk.txt, section "Emergency
firmware recovery" for details about emergency firmware recovery procedure.

ERR A25
ERR A26
   Error reading firmware file.

ERR A27
ERR A28
ERR A29
ERR A30
ERR A31
ERR A32
ERR A33
ERR A34
ERR A35
ERR A36
ERR A37
ERR A20
ERR A21
ERR A22
ERR A23
ERR A24
ERR A25
ERR A40
   Invalid firmware file.

ERR A01
ERR A02
   Error reading firmware file.

ERR A03
   Invalid firmware file.

ERR A04
ERR A05
   Error reading firmware file.

ERR A06
   Invalid firmware file. The firmware is not suitable for the STB model or
   it is not allowed to be installed on top of the firmware currently
   installed on the STB.

ERR A07
ERR A08
   Invalid firmware file.

ERR A38
   Invalid firmware file. Too old firmware version is tried to be
   installed.

ERR A09
ERR A10
ERR A11
ERR A17
   Invalid firmware file.

ERR A18
ERR A39
   Firmware version is incompatible with hardware revision. There is no
   support for STB's hardware revision in the firmware which is tried to be
   installed.

ERR A19
   Invalid firmware file.

ERR A12
ERR A13
   Error reading firmware file.

ERR A14
ERR A15
   Invalid firmware file.

ERR A16
   Invalid firmware file size.

ERR B01
   Unsupported firmware file format. Probably outdated firmware is tried to
   be installed.

ERR B02
   Error reading firmware file.

ERR B04
   Internal error.

ERR B05
   Error reading firmware file.

ERR B06
   Internal error.

ERR B03
ERR C01
ERR C02
   Error reading firmware file.

ERR C03
   Invalid firmware file. The file has been corrupted/modified.

ERR C07
   Error reading firmware file.

ERR C08
   Internal error.

ERR C04
   Error reading firmware file.

ERR C05
   Invalid firmware file. The file has been corrupted/modified.

ERR C09
   Internal error.

ERR C10
   Invalid firmware file. The file has been corrupted/modified.

ERR C06
   Error reading firmware file.

ERR D01
ERR D02
ERR D03
ERR D11
ERR D12
ERR D13
ERR D21
ERR E01
   Error reading/writing NAND flash memory.

ERR E21
ERR E31
   Error reading firmware file.

ERR D31
ERR E41
ERR E42
ERR E51
ERR E52
ERR E53
   Error reading/writing NAND flash memory.

ERR E05
ERR E06
ERR E07
ERR E10
ERR E11
ERR E15
ERR E16
ERR E17
   Internal error.

ERR E61
   Error reading firmware file.

ERR E62
   Error reading/writing NAND flash memory.

ERR E64
   Internal error.

ERR E63
ERR E71
ERR E72
ERR E73
ERR Y01
   Error reading/writing NAND flash memory.

ERR Y02
   Invalid firmware file.

ERR Y03
   Error reading/writing NAND flash memory.

ERR Y33
ERR Y04
ERR Y05
ERR Y06
ERR Y07
ERR Y08
ERR Y32
ERR Y09
ERR Y10
ERR Y11
   Internal error.

ERR Y12
   Error reading/writing NAND flash memory.

ERR Y13
ERR Y14
   Error reading firmware file.

ERR Y15
ERR Y16
   Invalid firmware file.

ERR Y17
   Error reading/writing NAND flash memory.

ERR Y18
ERR Y19
   Error reading firmware file.

ERR Y20
   Invalid firmware file.

ERR Y21
ERR Y22
   Error reading/writing NAND flash memory.

ERR Y23
   Internal error.

ERR Y24
ERR Y25
   Error reading firmware file.

ERR Y26
ERR Y27
ERR Y28
ERR Y29
ERR Y30
ERR Y31
   Error reading/writing NAND flash memory.

ERR E81
   Error reading firmware file.

ERR E82
   Error reading/writing NAND flash memory.