Application Guide

The latest version of the "Sony | Headphones Connect (v5.0.0 or higher)" application must be
installed.
The headphones must be connected to your Android or iOS device
File Info
File Name
Firmware update 4.2.0 for WH-H900N / WF-SP700N / WI-SP600N / WI-C600N
File Version
Version 4.2.0
Release Date
06-04-2019
Before You Start
Check the firmware version
If the firmware is version "4.2.0" or above, you do not need to perform the update. If you're not
sure, it's easy to check which version of firmware you have:
1. Launch the "Sony | Headphones Connect" application.
2. Connect your headphones to the "Sony | Headphones Connect" application.