If you don't have T-Mobile Home Internet, tap Visit the website to learn more about it. Open the T-Mobile Home Internet app and tap Manage my service.For the T-Mobile LTE Wi-Fi Gateway, see Getting started: T-Mobile LTE Wi-Fi Gateway.For the T-Mobile High-Speed Gateway, see Getting started: T-Mobile High-Speed Internet Gateway.Set up your gateway and connect to it over Wi-Fi.You can only use the app on one device at a time.Requires Android 6.0 or later / iOS 11.4 or later.Must be connected to the High-Speed Internet Gateway or T-Mobile LTE Wi-Fi Gateway through Wi-Fi to access.