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 1.2 and provides the following benefits:
Improvement over firmware version 1.1:
- Resolves an issue where, in leap years, the date December 31, is not displayed correctly, and cannot be set correctly.
Additional improvements over original firmware:
- Improves USB transfer reliability
- Windows Vista®
- Windows® 2000
- Windows® XP
- Windows® XP MCE
- 3.91 MB
Before You Start
Check the Model and Firmware Version
This firmware update is intended for NWZ-B103F and NWZ-B105F Sony® Walkman® Digital Music players with firmware version 1.1 or lower installed. Please follow the steps below to check the model and firmware version of your player.
Download & Install
Computer System Requirements
Before Performing the Update
|Download and Installation Instructions|
The Firmware Update process is complete.
|Confirm Successful Update (optional)|