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 the following issues:
- The elapsed time counter may skip a few seconds when playing sound files or FM radio programs
- The Walkman® MP3 player may not work correctly when connected via USB to a Sony® car audio system
- Windows Vista®
- Windows® XP
- 3.08 MB
Before You Start
Check the Model and Firmware Version
This firmware update is intended for NWZ-B133F and NWZ-B135F Sony® Walkman® MP3 players with firmware version 1.00 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)|