# How to find out the firmware version of the TRIK controller?

1\. Turn on the controller.

2\. Go to `More... → Version & Update`.\
![](https://2483351831-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-9YMGCK0ySSnTAiseS%2F-MSiZuDXO1OzjBnUsjVL%2F-MSi_Ov-qiRja32G3uV0%2F73%201%20En%20Version.png?alt=media\&token=a2556a9d-771b-4c25-8ea2-6fc958f1f708)![](https://2483351831-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-9YMGCK0ySSnTAiseS%2F-MSiZuDXO1OzjBnUsjVL%2F-MSi_SY7fkce8WMo0pQF%2F73%202%20En%20Version.png?alt=media\&token=1dcd6ce6-030d-4c56-bc92-21f926d7c401)

3\. The "OS version" is the controller firmware version.

![](https://2483351831-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M-9YMGCK0ySSnTAiseS%2F-MSiZuDXO1OzjBnUsjVL%2F-MSi_XmJBswjsIaADyPp%2F73%203%20En%20Version.png?alt=media\&token=999f0544-30e9-44fd-961b-552cefb20ff8)