ReVo / Firmware
A new place
to begin.
Bring Bioma and Atolls to your M-VAVE FM-1.
REVO 1.0 / BUILD 2026110608Install over USB.
- Open this page in Chrome or Edge and connect your FM-1 with a data USB cable.
- Close other MIDI applications. Connect below, then choose Install ReVo.
- Keep power and USB connected until the update finishes and the instrument returns.
ReVo is an independent, open-source firmware. Installing it replaces your current firmware. Keep a copy of anything you want to preserve.
Checking the firmware package…
Your FM-1 will only be accessed after you connect.
Your first visit.
Bioma opens by default. Press PLAY/STOP to awaken its inhabitants. To visit Atolls, hold HOME → Machine → Atolls → SEL.
Download firmware & matching source
Use the same .fwsc package with the FM-1 updater of your choice. The matching source code, build information and licenses are included below.
Download firmwareDownload matching sourcePackage identity & SHA-256 · GPL-3.0 license
This build has passed native and emulator checks. MIDI operation in Bioma and Atolls has also been tested on the author’s FM-1. Bioma includes channel 7 for Drift and Beam.
Return to the original V15 firmware
Choose your unmodified official FM-1 V15 .fwsc file. Its identity, size and hash are checked before restoration is enabled. Export what you want to keep first; a factory Reset Patches may be needed after returning to V15.
No original firmware selected.
If an update is interrupted
Keep power connected. Reconnect USB and retry the same package if the update loader is waiting. For ReVo rescue mode, hold OCT− while powering on, then connect again.
If your computer only sees WL82 UBOOT, MIDI recovery is unavailable in this installer. Consult the community recovery documentation.
USB update protocol by Leo Kuroshita / Hügelton Instruments, via Felucca and SLOOP. The installer runs locally in your browser.