To check for updates and apply them to your Zone 305 headset, you'll need to download and install the Logi Tune Desktop application. You can download Logi Tune here.

1. Make sure your headset is on. If you are pairing your headset via a receiver, make sure the Bluetooth USB receiver is also plugged in. 
   • The headset can only be upgraded via Over The Air (OTA).

2. In Logi Tune, click Settings and open Zone 305 on the device list. 
3. Click “About” and then click “Check for update” to run the update.