Boss MD-500 firmware

Boss active
effects

Latest firmware: 1.05

1.05released 1 Sep 2024

What's new in 1.05

Bug fix: intelligent setting works correctly when the FSW mode is "A/B SIMUL" and the mode is "RING MOD."

Last checked 11 Sep 2026

Download 1.05 from Bossopens in a new tab — boss.info

How to update the Boss MD-500

Connect MD-500 via USB while holding the RATE/VALUE knob, then attach the USB cable and plug in the INPUT jack. The device mounts as a drive called 'BOSS_MD500'. Copy MD500ROM.BIN and ROMINFO.TXT from the extracted ZIP to the root of the drive. Eject the drive, disconnect USB, then press the EDIT button on the unit to execute the update. Do not power off during the update.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

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Boss MD-500 firmware update history

Changelogs summarised from the manufacturer's release notes.

1.051 Sep 2024

Release notes for this version are listed above.

Release notesopens in a new tab — boss.info

Boss MD-500 manual & official pages

Boss MD-500 firmware FAQ

What is the latest firmware for the Boss MD-500?

The latest firmware for the Boss MD-500 is version 1.05, released on 1 Sep 2024. FW//RADAR last checked Boss's official page on 11 Sep 2026.

How do I update the Boss MD-500?

Connect MD-500 via USB while holding the RATE/VALUE knob, then attach the USB cable and plug in the INPUT jack. The device mounts as a drive called 'BOSS_MD500'. Full instructions on Boss's official firmware page.

Where can I download Boss MD-500 firmware and drivers?

Directly from Boss's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Boss MD-500 manual?

The official Boss user manual is a PDF hosted on static.roland.com. Boss MD-500 user manual (PDF) →

Is the Boss MD-500 still receiving firmware updates?

The last firmware release we recorded is 1.05 from 1 Sep 2024. FW//RADAR still checks Boss's page daily.

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