1. If using an Android device, download the Nothing X app by searching for it on Google Play. If using an iOS device, download the Nothing X app by searching for it on the App Store. 2. You can also download the Nothing X app by visiting our website and scanning the QR code: https://intl.nothing.tech/pages/nothing-x-app-download. The QR code is also available in the user guide inside the packaging or on the packaging box; simply scan it and download the app.