ESI Xkey 25 firmware

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ESI Xkey 25 firmware

Automatic version tracking isn't available for this device yet — check the manufacturer's page for the latest release.

Last checked 3 Sep 2026

Download ESI Xkey 25 firmware from ESIopens in a new tab — download.esi-audio.com

How to update the ESI Xkey 25

Connect Xkey 25 to your Mac or PC via USB-C. Open Xkey Plus (download from the ESI downloads page). The app will detect your device and prompt you to update the firmware if a new version is available. Follow the on-screen instructions to complete the update.

What you need

Xkey Plus — the software ESI uses to load firmware onto the ESI Xkey 25. 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 ESI Xkey 25

The ESI Xkey 25 is updated with Xkey Plus, published by ESI.

Download Xkey Plus from ESIopens in a new tab — download.esi-audio.com

Get ESI Xkey 25 firmware alerts

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ESI Xkey 25 manual & official pages

ESI Xkey 25 firmware FAQ

How do I update the ESI Xkey 25?

Connect Xkey 25 to your Mac or PC via USB-C. Open Xkey Plus (download from the ESI downloads page). Full instructions on ESI's official firmware page.

What software do I need to update the ESI Xkey 25?

You need Xkey Plus, available from ESI's support site.

Where can I download ESI Xkey 25 firmware and drivers?

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

Where can I find the ESI Xkey 25 manual?

The official ESI user manual is a PDF hosted on download.esi-audiotechnik.com. ESI Xkey 25 user manual (PDF) →