fwtool.py

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

Special features

• 3rd gen firmware images are supported
• Known file system images are extracted

Usage

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

Unpack a firmware image

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

Decode Backup.bin

fwtool print_backup -f Backup.bin

This will list all properties defined in Backup.bin, the settings file used on Sony cameras. In firmware updates, you can find different variants this file in the 0110_backup directory.