Download Sony NWZ-A864/A865 MP3 Player Firmware Update 1.04

To start downloading Sony NWZ-A864/A865 MP3 Player Firmware Update 1.04, please choose one of the links from the list below.

  1. NWZ-A864, NWZ-A864BLK, NWZ-A865, NWZ-A865BLK Firmware Update 1.04: NWZ-A860_V1_04.exe

This update is not necessary if your Walkman player has already been updated by the automatic firmware update function to version 1.04. Please follow the steps below to check the firmware version of your player.

  1. Press and hold the "HOME" button until the Home menu appears.
  2. At the Home menu, tap "Settings".
  3. At the Settings menu, tap "Common Settings".
  4. At the Common Settings menu, tap "Unit Information".
  5. Confirm the Firmware version.

If the firmware version is 1.04 or higher do not attempt to install this update.

Download and Installation Instructions

  1. To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  2. Click the "Download Now" link above (or below) to begin the download process.
  3. Read the Software Download License Agreement and, if you agree, click "Accept Agreement".
  4. Download the NWZ-A860_V1_04.exe file to a temporary or download directory (please note this directory for reference).
  5. Connect the player to the computer with the supplied USB cable.
    Note: If a "Portable Device" window opens, click "Cancel" to close the window and continue.
  6. Go to the directory where the file was downloaded and double-click the NWZ-A860_V1_04.exe file to begin the installation.
  7. Carefully follow the onscreen prompts to complete the installation.
    IMPORTANT: Do not disconnect the player from the computer while the update is in progress.
    Note: During the update the USB connection is automatically controlled and the "Connecting USB" message is not displayed. On some computers a "USB Disconnect" message may be displayed.
  8. When the Completed message is displayed, click "Finish".

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If you have found mistakes during downloading, please email to We will endeavour to solve these as soon as possible. Other problems, please try to contact publisher's official support.

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