Published Date: 01 June 2019

To install a new firmware version on a base station and/or handset, please follow the instructions provided in the firmware update guide.


  • After upgrading to version 450BXX or higher the rollback to version 410BXX or previous is not possible.
  • After the base upgrade to 450B11 also handsets must be upgraded to the version 450B11.
  • Please read the release notes carefully before upgrading

How to Update a DECT Device

Binaries download