NWZ-S774BT Firmware Update Program Download Service

For owners of Walkman S series, we offer NWZ-S774BT firmware update program to the latest version 1.03.
Please read carefully the following instructions.

Note: This update utility is not necessary if your Walkman has already been updated to firmware version 1.03 by the automatic firmware update function.

Contents of the update 

• Improved stability when connecting with some Bluetooth devices of other companies.
  

Applicable Models
NWZ-S770Series (NWZ-S774BT) that have firmware version lower than 1.03.

How to confirm the Model and the Firmware version
Please confirm the Model and the Firmware version 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 Model and the Firmware version.

Target PC environments
* OS

• Windows 8
• Windows 8 Pro
• Windows 7 Ultimate (Service Pack 1 or later)
• Windows 7 Professional (Service Pack 1 or later)
• Windows 7 Home Premium (Service Pack 1 or later)
• Windows 7 Home Basic (Service Pack 1 or later)
• Windows 7 Starter (Service Pack 1 or later)
• Windows Vista Ultimate (Service Pack 2 or later)
• Windows Vista Business (Service Pack 2 or later)
• Windows Vista Home Premium (Service Pack 2 or later)
• Windows Vista Home Basic (Service Pack 2 or later)
• Windows XP Professional (Service Pack 3 or later)
• Windows XP Home Edition (Service Pack 3 or later)
  (Not supported 64 bit version OS for Windows XP Professional.)
  

* Hardware requirements 
CPU

• Windows 8: 1 GHz or more
• Windows 7: Pentium Ⅲ 1 GHz or higher
• Windows Vista: Pentium Ⅲ 800MHz or higher
• Windows XP: Pentium Ⅲ 500MHz or higher
  

Memory

• Windows 8: 1 GB or more (32bit) / 2 GB or more (64bit)
• Windows 7: 1 GB or more (32bit) / 2 GB or more (64bit)
• Windows Vista: 512MB or more
• Windows XP: 256MB or more
  

Before Update

• 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 90 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”.
• When downloading the program and upgrading the firmware, log on to the computer with the administrator name or with any name which belongs to the administrator.
• If you are Windows 8 user, Windows 7 user or Windows Vista user, “Windows needs your permission to continue” message appears in the User Account Control dialog box. Click Continue to proceed, and follow the announcements.