To Install new firmware to your Konftel 300 conference phone, you will need to set the unit in upgrade mode.
  1. Remove power.
  2. Press and hold the Menu(cogwheel) on your phone keypad while you insert power.
  3. Wait for the blue LEDs to light up and then release the Menu(cogwheel) button.
  4. Connect your Konftel 300 conference phone to your computer via USB.

Install Konftel Upgrade Utility

The Konftel Upgrade Utility is a program developed by Konftel to update the software on your conference phone.

Download and run the installation file and follow the instructions. You may have to run the installation program as an administrator

Download Upgrade Utility


Update your Konftel conference phone

Launch the Konftel Upgrade Utility, which will now be in your start menu, and follow the instructions. We recommend that you allow the Konftel Upgrade Utility to automatically download and install the latest software. When you are done, you can close the Konftel Upgrade Utility and restart your Konftel.