NWZ-W274S 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-W274S
About this download
Benefits and improvements
This utility updates the Walkman® player to firmware version 1.01 to resolve an issue where where the Walkman may not startup or playback properly.System Requirements
Operating Systems
- Mac OS® X
File Info
File Name
- NWZ-W274S_V1_01.dmg
File Version
- 1.01
File Size
- 17.59 MB
Release Date
- 04-14-2014
Before You Start
Applicable Models
This firmware update is intended for the NWZ-W274S Walkman® players that have firmware version 1.00 installed. To check the model and firmware version of your player, please follow the steps below. Note: This update is not necessary if your Walkman player has already been updated by the automatic firmware update function to version 1.01.
If the version number is 1.01 or higher, this update utility is not necessary. |
Important Notes |
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Download & Install
Computer System Requirements
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Download and Installation Instructions
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Confirm Successful Update (optional) |
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Questions & Answers
Possible Error During Update
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