> For the complete documentation index, see [llms.txt](https://help.trikset.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.trikset.com/en/trik/firmware/version.md).

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

1\. Turn on the controller.

2\. Go to `More... → Version & Update`.\
![](/files/-MSi_Ov-qiRja32G3uV0)![](/files/-MSi_SY7fkce8WMo0pQF)

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

![](/files/-MSi_XmJBswjsIaADyPp)