Press on Wi-Fi Channel Optimisation on the home page. You have the choice:
- Optimize Wi-Fi throughout your home: press Consider multiple rooms. Go to each room in your house and press Analyze each time, then press Next Room. Finally press Result then Optimize now. The Wi-Fi channel will be optimized for your entire home.
- Optimize Wi-Fi right away: press Detail view. Press Optimise to configure the optimal Wi-Fi channel for this device in this room.