> For the complete documentation index, see [llms.txt](https://help.waterwatch.io/3.0.1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.waterwatch.io/3.0.1/hardware-and-maintenance/firmware-updates/update-your-firmware.md).

# Update your firmware

{% hint style="info" %}
To update your monitors firmware, you'll need to be at your tank and connected to the monitor via bluetooth using the magnet wand and your mobile phone.
{% endhint %}

To check if there is a firmware update available, go to Additional Information in your tank monitor home screen. If there is a firmware update available, select Click to update firmware.

![](https://3663084420-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHGkYdZf2x89OKqHUwwA%2Fuploads%2Ff5rw0uh9GmNaY0d1JALi%2FFW-upgrade-general.png?alt=media\&token=8d7ebbe1-13f0-4b1e-bb07-9c144860111f)

Follow the app instructions to connect to your monitor and begin the update. This may take a few minutes. Occasionally the update appears to fail, if this happens, check your firmware version in Additional information before trying again.

![](https://3663084420-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHGkYdZf2x89OKqHUwwA%2Fuploads%2FRzYAl14utkErZxSYolpi%2FFW-Upgrade-general-1-2-3-AND-4.png?alt=media\&token=3cca652c-65dc-46f5-9bab-aa6ce3329e7a)