How to decrypt manufacturer's firmware
From S1MP3 Wiki
Introduction
Actions has implemented a simple encryption for it's firmware files. And some firmware files comes on it's encypted state. Before a firmware can be modified or disassembled, it has to be decrypted first.
Decrypting
- Download S1fwx from the download tools page [1]
- Put the firmware you want to decrypt into a folder of your choice along with S1FWX
- Open command prompt and go to the S1FWX directory and type:
- C:\S1FWX>s1fwx l the_firmware_to_be_decrypted.bin
this will decrypt the firmware and list its contents, the decrypted firmware will be called: the_firmware_to_be_decrypted.bi$ - feel free to disasemble/edit it now

