To find out which firmware version your snom phone has installed:

• On the PUI: Press the gear icon key on your phone  (formerly a screwdriver) and navigate to the "Information" menu item. 
  Then select the menu item "System information".

• On the WUI: Call up the web interface of your snom phone and click on "System Information" on the left side.
  
  For further Informations see here: Check the installed firmware version 
  
  

To update the firmware of your Snom phone.

Manual method

• Go to our Firmware Update Centre page and look for the the download link of your phone model (e.g. 

• Right-click on the link to copy the link to your clipboard

• Open the phone web interface, and navigate to the menu item "Software update."

• Insert the copied link into the text field and press load.

   
  The phone will restart, and will start to download and extract the firmware file.

Firmware update via auto provisioning

You can also update the firmware of Snom phones by means of auto provisioning. This allows you to update multiple phones simultaneously and with significantly less effort. We explain how this works here: Firmware Update via Provisioning