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-S636F
- NWZ-S638F
- NWZ-S639F
About this download
Benefits and improvements
This utility updates the firmware to version 1.11 and resolves an issue where, while playing any music files, the player may stop responding and then may automatically power off and on.System Requirements
Operating Systems
- Windows Vista®
- Windows® XP
File Info
File Name
- NWZ-S630F_V1_11.exe
File Version
- 1.11
File Size
- 27.88 MB
Release Date
- 01-13-2009
Before You Start
Applicable Models
This firmware update is intended only for NWZ-S636F, NWZ-S638F, and NWZ-S639F Sony® Walkman® Digital Music players that have firmware version 1.10 or lower installed. Please follow the steps below to check the model and firmware version of your player.
If the firmware version is 1.11 or higher do not attempt to install this update. |
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 |
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Confirm Successful Update (optional) |
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Questions & Answers
Possible Errors During Update
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