Boss GX-100 firmware

Boss active Released 4 Jul 2022
effects

Latest firmware: 2.05

2.05released 1 May 2026

What's new in 2.05

Bug Fix The following bugs were fixed. - The effect level of SHIMMER REVERB and SHIMMER DELAY is low. (NOTE) Please adjust your memory if it bothers you because the effect level becomes louder if memories you created use these effects.

Last checked 12 Sep 2026

Download 2.05 from Bossopens in a new tab — boss.info

How to update the Boss GX-100

Update via USB mass storage (hold WRITE at power-on).

What you need

Boss Tone Studio for GX-100 — the software Boss uses to load firmware onto the Boss GX-100. 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 GX-100

The Boss GX-100 is updated with Boss Tone Studio for GX-100, published by Boss.

Download Boss Tone Studio for GX-100 from Bossopens in a new tab — boss.info

Get Boss GX-100 firmware alerts

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Boss GX-100 firmware update history

Changelogs summarised from the manufacturer's release notes.

Version 2.05 — 1 May 2026

Release notes for this version are listed above.

Release notesopens in a new tab — boss.info

Version 2.04 — 1 Mar 2026

Removed the polyphonic tuner function. Fixed OUTPUT SELECT behavior when AMP is disabled. Corrected INT PDL TRIGGER malfunction in ASSIGN when set to MEM CHANGE. Multiple minor bug fixes.
Release notesopens in a new tab — boss.info

Boss GX-100 manual & official pages

Boss GX-100 firmware FAQ

What is the latest firmware for the Boss GX-100?

The latest firmware for the Boss GX-100 is version 2.05, released on 1 May 2026. FW//RADAR last checked Boss's official page on 12 Sep 2026.

How do I update the Boss GX-100?

Update via USB mass storage (hold WRITE at power-on). Full instructions on Boss's official firmware page.

What software do I need to update the Boss GX-100?

You need Boss Tone Studio for GX-100, available from Boss's support site.

Where can I download Boss GX-100 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 GX-100 manual?

The official Boss user manual is a PDF hosted on boss.info. Boss GX-100 user manual (PDF) →

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