: Do not disconnect the headset until the software confirms the update is complete. The device may need to be restarted after disconnection. Important Considerations
Since the official Sony Support site no longer hosts these specific drivers, you would need to find an archived version of: or Sony PC Companion (which replaced SEUS for a time). Step 2: Prepare the Device Ensure your MW600 is fully charged. Power off the headset. How To Update Sony Ericsson Mw600 Firmware
If your headset is acting up, an update is the best diagnostic step you can take. : Do not disconnect the headset until the