Make sure your Nexus Home Ultimate is connected to power supply. Also make sure your Wi-Fi router has an active internet connection.
Step 1: Tap on the side menu icon at the top left corner and select + Add Hub.
Step 2: Select Nexus Home Ultimate, enter a name of your choice for the Hub and tap Next. Please ensure your phone can discover your preferred Wi-Fi network and Nexus Home Hub is close to Wi-Fi router and tap Next.
Step 3: Now, connect your phone to Nexus Home Ultimate Hub access point and return to the Nexus Home App. Select your preferred Wi-Fi networks available to connect Nexus Home Ultimate Hub or enter SSID (name of the Wi-Fi router) manually.
Step 4: Wait for a few seconds while the App finalizes your setup. You will be redirected to Nexus Home App Notifications screen after successful setup.