To update your Netcomm SmartVoice Gateway, do the following:

  1. Login to your SmartVoice Gateway using IE/Firefox, the default IP address is
    • Enter your Login ID (default is admin)
    • Enter your Password (default is admin)
  2. Note: If you forget the password or the IP address of V431, hold the reset button in for 10 seconds. This resets the router to factory default.
    Netcomm V431 login page
  3. Navigate to Software Upgrade menu, then type the following details as seen in the picture below. It is best to check the Netcomm FTP site for the best firmware version by going to, then click on SV folder.

  4. Netcomm FTP site

    Netcomm SmartVoice Gateway Software Upgrade page

    Upgrade Server: FTP
    Software Upgrade Server IP:
    Software Upgrade Server Port: 21
    User Name: anonymous
    Password: <leave it blank>
    Directory: /SV/ <-- change the version number as per Netcomm latest update
  5. Click Accept and wait until it finish.