Firmware Update
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:
- NWZ-B103F
- NWZ-B105F
About this download
Benefits and improvements
This 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
System Requirements
Operating Systems
- Windows Vista®
- Windows® 2000
- Windows® XP
- Windows® XP MCE
File Info
File Name
- NWZ-B100F_V1_2.exe
File Version
- 1.2
File Size
- 3.91 MB
Release Date
- 12-24-2008
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.
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Important Notes |
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Download & Install
Computer System Requirements
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Before Performing the Update
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Download and Installation Instructions |
The Firmware Update process is complete. |
Confirm Successful Update (optional) |
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