Boss RC-505 MkII firmware

Boss active Released 10 Jun 2017

Latest firmware: 1.50

1.50released 1 Jan 2025

What's new in 1.50

Changed AUTO OFF default value to "20MIN" (adjustable to OFF/20MIN/10HRS). Fixed track FX insert setting issues for beat effects.

Last checked 11 Sep 2026

Download 1.50 from Bossopens in a new tab — boss.info

How to update the Boss RC-505 MkII

Update via USB mass storage.

What you need

Boss Tone Studio for RC — the software Boss uses to load firmware onto the Boss RC-505 MkII. Download links below.

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

Drivers & software for the Boss RC-505 MkII

The Boss RC-505 MkII is updated with Boss Tone Studio for RC, published by Boss.

Download Boss Tone Studio for RC from Bossopens in a new tab — boss.info

Get Boss RC-505 MkII firmware alerts

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Boss RC-505 MkII firmware update history

Changelogs summarised from the manufacturer's release notes.

1.501 Jan 2025

Release notes for this version are listed above.

Release notesopens in a new tab — boss.info

Boss RC-505 MkII manual & official pages

Boss RC-505 MkII firmware FAQ

What is the latest firmware for the Boss RC-505 MkII?

The latest firmware for the Boss RC-505 MkII is version 1.50, released on 1 Jan 2025. FW//RADAR last checked Boss's official page on 11 Sep 2026.

How do I update the Boss RC-505 MkII?

Update via USB mass storage. Full instructions on Boss's official firmware page.

What software do I need to update the Boss RC-505 MkII?

You need Boss Tone Studio for RC, available from Boss's support site.

Where can I download Boss RC-505 MkII 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 RC-505 MkII manual?

The official Boss user manual is a PDF hosted on boss.info. Boss RC-505 MkII user manual (PDF) →

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