fwtool.py

A tool to unpack Sony camera firmware images, originally ported from nex-hack's fwtool.

Camera Compatibility

The following firmware types can be extracted:

"FDAT" firmware updates
- CXD90045: ILCE-7M3, ILCE-6600, …
- CXD90014: ILCE-7, ILCE-6000, ...
- CXD4132: DSC-RX100, NEX-6, …
- CXD4120
- CXD4115: DSC-HX5V, NEX-3, SLT-A33, ...
- CXD4105 / MB8AC102
"Msfirm" firmware updates
- CXD4108: DSC-T100, DSC-G3
- CXD4105: HDR-SR1, HDR-UX1, DSC-G1
DSLR firmware updates
- DSLR-A230, DSLR-A700, ...
"ASH" firmware updates
- DSC-V1, DSC-F828, DSC-H2, ...

Download the latest release (Windows or OS X) or clone this repository. Run fwtool --help for more information.

fwtool unpack -f Update_ILCE_V100.exe -o outDir

The following files are accepted as input (-f flag):

A Windows firmware updater executable (.exe file)
The FirmwareData.dat file extracted from an updater
A firmware dump created by running dd if=/dev/nflasha of=dump.dat on the camera