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Instruō Arbhar firmware

Instruō active Device launched 2019
sampler eurorack
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Latest firmware

2.1.3
Download firmware from instruomodular.com
Updater
See the update steps below
Manual
User manual (PDF)

What's new in 2.1.3

Adjusted some USB Serial and USB MIDI related controls to allow arbhar control from default Pocket Scion setup. Resolved bug in pitch control where first pitch change when moving off centre were not happening reliably. Minor bug fixes and performance improvements.

Last checked 26 Oct 2026

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Instruō Arbhar manual & official pages

How to update the Instruō Arbhar

Firmware 2.x updates are delivered as a .gz updater file (marked "For USB" on instruomodular.com/firmware/): download it, copy it into the _updater folder on arbhar's USB flash drive, then power cycle the module; the update is applied on the next boot. This requires arbhar V2 already running firmware 2.0. To install the 2.0 base image (marked "For Micro SD"), download it and flash it to arbhar's microSD card with balenaEtcher (not to the USB flash drive).

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

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Instruō Arbhar firmware update history

Changelogs summarised from the manufacturer's release notes.

2.1.3

Release notes for this version are listed above.

Release notesopens in a new tab — instruomodular.com

Instruō Arbhar firmware FAQ

What is the latest firmware for the Instruō Arbhar?

The latest firmware for the Instruō Arbhar is version 2.1.3. FW//RADAR last checked Instruō's official page on 26 Oct 2026.

How do I update the Instruō Arbhar?

Firmware 2.x updates are delivered as a .gz updater file (marked "For USB" on instruomodular.com/firmware/): download it, copy it into the _updater folder on arbhar's USB flash drive, then power cycle the module; the update is applied on the next boot. This requires arbhar V2 already running firmware 2.0. Full instructions on Instruō's official firmware page.

Where can I download Instruō Arbhar firmware and drivers?

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

Where can I find the Instruō Arbhar manual?

The official Instruō user manual is a PDF hosted on instruomodular.com. Instruō Arbhar user manual (PDF) →

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