This information is for the following models:
IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.
About this download
Benefits and Improvements from the latest update
- Improves the transition between tracks when played back via Bluetooth
Previous Benefits and Improvements
- Corrects an issue where a time error is displayed while playing some MP3 content
- Improves the operability when sorting the Bookmark List
The latest version of the firmware update is compatible with most commonly used versions of Microsoft Windows:
- Windows 10
- Windows 8.1
- Windows 7
IMPORTANT: Not supported by operating systems other than specified above.
Note: Not supported in Windows XP compatibility mode.
- Firmware Update version 1.02 for NW-A50 series (Windows)
- Version 1.02
- 113 MB (119,313,024 byte)
Before You Start
Check the firmware version
Do I need to download it? This update is not necessary if your Walkman has already been updated to firmware version 1.02 by the automatic firmware update function. If you're not sure, it's easy to check which version of firmware you have:
- Press and hold the Power button until the Home menu appears.
- Tap the [Options/Settings] icon, in the bottom right corner of the screen.
- Select the [Settings] menu.
- Scroll until the bottom and choose the [Unit Information] menu.Confirm the Model number and Firmware version.
Before you upgrade
- Be sure to connect to the network while updating.
- After updating, the firmware cannot be reverted to an earlier version.
- Please transfer all data from the unit to the computer, since data which remains on the unit may be lost when upgrading.
Note: We cannot guarantee tracks and data will not be damaged or deleted when performing this update.
- When upgrading, the unit needs to have free space of about 200 MB. Please confirm the amount of free space is sufficient.
- If there is not enough free space in the built-in flash memory, transfer any unnecessary data back to the computer to increase free space.
- During the installation of this file, be sure that you are logged in as the Administrator or as a user with Administrative rights.
- Windows 10 user, Windows 8.1 user or Windows 7 user, "Windows needs your permission to continue" message appears in the User Account Control dialog box. Click [Continue] to proceed, and follow the announcements.
Download & Install
Step 1: Install the update
- Read and agree to the terms and conditions.
- Download the file to your computer.
- After completion of the download, connect your Walkman to your computer by USB connection.
- Quit all software running on your computer.
- Double click the saved file and follow the on-screen instructions.
Note: Do not disconnect the unit from the computer during the upgrade.
- When the message indicating the upgrade is complete is displayed, click on [Finish].
Step 2: Check the update was successful
After the update, please confirm the new version has been installed successfully by following the steps in the [Check the firmware version] section.
If the Firmware version shown is "1.02", the upgrade was successful.