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Current software version

We recommend that you always keep your Simrad ST90 system upgraded with the latest software version.

The current software version is 23.2.

All applicable information related to this software release can be found in the Software Release Note.

The Software Release Note is only available in English.

General information

Contact your local dealer for assistance. He/she can provide the software update and will install the software for you. Your dealer can also provide other advice related to the use and maintenance of your sonar system.

You can only download the software upgrade if you are one of our registered dealers or distributors.