Firmware Related

From M:Robe 500i Development Wiki

There are three official, and one unofficial firmware versions for the m:robe 500i.

Contents 1 Official Firmware 2 Unofficial Firmware 3 Modified Firmware 4 Firmware File Format 4.1 About the Firmware

Official Firmware

• Version 1.02 is the oldest. This version was available for those who bought m:robe when it first hit the market.
• Version 1.03 is available for download from the Olympus website.

Unofficial Firmware

• Version 1.04 is the newest known firmware version, and is not officially available for download. This version appeared on newly bought m:robe 500i players, or ones which were recently repaired or refurbished.
• Exploitable version of firmware 1.03 (N5002-BD-EXPv01.zip mirror) has been announced by shirour. This version allows one to run code placed inside

a remix xml file. See Software Development.

Modified Firmware

• Custom images firmware allow you to add your own background images for the m:robe player. Click on the link for a detailed description.

Firmware File Format

See forum thread about the format.

See also forum thread with a Python script that implements the enciphering algorithm and checksum updating.

About the Firmware

At offset 39h of the decrypted firmware file, there is the string "SOL-eBinder-L". More information:

• eBinder by eSOL Co.
• "[http://translate.google.com/translate?u=http://www.t-engine.org/ja/tw77/ebinder.html