Start with 1.06.
Download the original TR-09 System Program 1.06 from Roland and review its license terms. Extract the ZIP, then select BQ2_UPD.BIN below.
03 / firmware patch
A small change for longer jams. Keep mute and solo mode open, switch between them with ENTER, and clear the active selection with CLEAR.

Download the original TR-09 System Program 1.06 from Roland and review its license terms. Extract the ZIP, then select BQ2_UPD.BIN below.
The patch runs entirely in your browser. Your firmware stays on your device, and the result is checked against the expected v3 file before downloading.
No file selectedYour file is processed only on this device.
The file for the TR-09 must be named exactly BQ2_UPD.BIN. If your browser adds “(1)”, remove that suffix. Keep your original firmware in a separate folder.
Original 1.06: f0dca0e0aa12f4afc86502a9728f1f1db9cb9846c05f8988d0d22968a7c4a26eMute Latch v3: 290e3f723716ced3b9a60143053b27648cf1570f01b755c15b8398846ccafca5Before updating. This is an unofficial modification. Back up your data, use a stable power source and follow Roland’s update instructions ↗. Never interrupt an update. This page generates a file; it does not update your instrument directly.
An independent experiment, shared for educational and experimental purposes, out of appreciation for the TR-09 and respect for the people who created it.
Roland’s original firmware is not hosted or distributed here. You obtain it directly from Roland and apply the modification locally. All rights to Roland’s software and trademarks remain with their respective owners. This project is not affiliated with, endorsed by or supported by Roland.
If Roland or another rights holder has concerns about this project, please get in touch. I will take the page and patcher down on request.
The educational purpose and local processing do not grant permission to modify the original software. Roland’s firmware license includes restrictions on modification; review the applicable terms before proceeding.