Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • KDL-32BX320
  • KDL-32BX321
  • KDL-32BX420
  • KDL-32BX421
  • KDL-40BX420
  • KDL-40BX421

About this download

Benefits and improvements

Sony has designed the BRAVIA® Televisions software update process to be customer friendly. This software update provides an increase in the maximum number of channel presets for some regional broadcasters.

System Requirements

Operating Systems

  • System Software

Before You Start


Check the Serial Number

To determine the proper update for your television, please enter the 7-digit serial number found on the side or back of the television.

Please enter the serial number without any spaces, and then click "Continue".