New Firmware for SwyxPhones L6xx available (V3 R0.33.0) (kb4799)

The information in this article applies to:

  • SwyxWare 2015 R3.2
  • SwyxWare 2015 R3.1
  • SwyxWare 2015 R3
  • SwyxWare 2015 R2
  • SwyxWare 2015
  • SwyxPhone L615
  • SwyxPhone L680
  • SwyxPhone L660
  • SwyxPhone L640
  • SwyxPhone L620

[ Summary | Information ]


Swyx has released a new firmware V3 R0.33.0 for the SwyxPhones L6xx .

Please note that...

  •  this firmware can only be used with the following SwyxWare versions:
    • SwyxWare 2013 R3 or higher 
    • SwyxWare 2015 or higher


This firmware does no loger support the old communication protocol and can therefore only interoperate with SwyxWare 2013 R3 or newer.  Improvements have been made in the areas stability and security.

To update the firmware at your SwyxServer you have to perform the following steps related to the installed SwyxWare version:

Open the Server Settings within the SwyxWare Administration and select the tab "SwyxPhone Firmware Update". Within this configuration select the option "Get". Hereby the SwyxServer will contact the Swyx FTP server ( which is configured by default and downloads the latest firmware version.

After this you could validate that the new firmware was download by checking the firmware version information:

If the firmware version (V3 R0.33.0) is listed for all SwyxPhones L6xx, the phones of this type will prompt for a firmware upgrade the next time the user logs on.


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