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:
About this download
Benefits and improvementsThis utility updates the firmware to version 1.01 and resolves an issue where the player may display an "Unknown" error message when AAC format files (.m4a file extension) are transferred from the Rhapsody® music service.
- Windows Vista®
- Windows® XP
- 16.15 MB
Before You Start
This firmware update is intended only for NWZ-A726B and NWZ-A728B Sony® Walkman® Digital Music players that meet the following conditions:
If the player does not meet the above conditions, do not attempt to install this update.
|Before Performing the Update|
Download & Install
Computer System Requirements
Download and Installation Instructions
Confirm Successful Update (optional)
Questions & Answers
Possible Errors During Update