> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.eclipsesurveillance.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to update NVR firmware.

![Enter NVR menu and select Maintenance>Maintenance options](https://storage.crisp.chat/users/helpdesk/website/e51ea3d00c7a0000/nvr1_7jbwyg.png)


![Next click on the Check New Version button to see if a new firmware is available](https://storage.crisp.chat/users/helpdesk/website/e51ea3d00c7a0000/nvr2_lrqj7g.png)


If a new firmware is available simply click on the same button to perform the upgrade.


![If you have the latest firmware the system will post a note stating, " The current version is latest"](https://storage.crisp.chat/users/helpdesk/website/e51ea3d00c7a0000/nvr3_1wg01c5.png)