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SEPIA Firmware Update Guide

Table of Contents

Remove All Modules

Before starting this process, please ensure that there are no modules inserted in the L6 Host.

Download Update Image

Download the latest SEPIA firmware update image from below.
The file will be in .swu format (eg. update-image-openstlinux-eglfs-myir.swu) and is ready to use for the update process.

Version Date Release notes Download
v0.3.28 11/05/2026 Latest stable release, Not compatible with client v0.5.363 or earlier

It is recommended to also update your SEPIA Control software to the latest version to ensure optimal performance.

Connect Host to Network

Turn on your SEPIA L6 Host and connect it via Ethernet (Cat5) to your network or computer.

Find Host IP Address

Launch SEPIA Client/Plugin on your device, the host will appear in the Setup tab.
Locate the field showing the host’s IP Address (e.g., 169.254.224.80), and copy this address.

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Upload Firmware File

Using your internet browser of choice (not Chrome), open a new tab and enter in your host’s IP address followed by the port “:8080”. This will open the update interface.

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Drag the .swu file into the upload box on the update page.
Wait for the update to occur. Do not turn off the power or cut the network.

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 When the update finishes, the interface should look like this:
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DO NOT click the blue Restart Sepia button.

After the update completes, WAIT 60 SECONDS and then reboot your SEPIA host by switching the power off and on to finalize the installation.

Previous firmware versions

Version Date Release notes Download
v0.3.27 11/05/2026 Compatible with Dante Hosts, Not compatible with client v0.5.363 or earlier
v0.3.25 11/05/2026 Compatible with Dante Hosts
v0.3.22 09/01/2026 Not compatible with Dante Hosts
v0.3.21 22/12/2025 Not compatible with Dante Hosts

Please contact SEPIA technical support on service@karno.com

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