Firmware update 1.21 for NWZ-A15/ NWZ-A17 (Mac)
Improves the Walkman playback operation and prevents the Walkman from restarting unintentionally
Applicable Models
This information is for the following models:
- NWZ-A15/ NWZ-A17
About this download
- Name: Firmware update 1.21 for NWZ-A15/ NWZ-A17
- Date released: 05-11-2015
- Do I need to download it?This update utility is not necessary if your Walkman has already been updated to firmware version 1.21 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 BACK/HOME button until the Home menu appears
- Select
[Settings], [Common Settings], and [Unit Information].
Confirm the Model number and firmware version
- Benefits and improvements:
- Improves the Walkman playback operation
- Prevents the Walkman from restarting unintentionally
System Requirements
- OS X 10.8-10.11, macOS 10.12-10.13 (*15-03-2018)
The latest version of the firmware update is compatible with the following hardware:
- CPU:
- 1 GHz or more
- Memory:
- 1 GB or more (32bit) / 2 GB or more (64bit)
Download
After updating, the firmware cannot be reinstated an earlier version.
Please transfer all data from the unit to the computer in advance, since the data may be lost when upgrading as they are remained on the unit.
We cannot guarantee in case the tracks and the data are damaged or deleted by this update.
When upgrading, the unit is needed to have a free space about 80 MB. Please confirm the size from the steps below.
- Press and hold the BACK/HOME button until the Home menu appears.
- Select
[Settings], [Common Settings], and [Unit Information].
Confirm the “Free/Total Memory Space”.
Select "System Storage" as location for USB Transfer.
- Press and hold the BACK/HOME button until the Home menu appears.
- Select
(SD Card Settings), [Storage for File Transfer], [Location for USB Transfer].
- Set to [System Storage].
Install
- The update program download is started by clicking “Download” button on the bottom of this announcement.
- After completion of the download, connect your Walkman to your cmputer by USB connection.
- Quit all software running on your computer
- Double click the saved file (NWZ-A10_V1_21.dmg, 57.1 MB / 59,928,535 bytes), and work by following displayed massages.
- Please do not disconnect the unit from the computer during upgrading.
- During updating, USB connection is automatically controlled and “Connecting USB” indication is off with the control.
- Also, the USB disconnect message may appear on some computers.
- When the message of completing upgrading is displayed, click [Finish] button.