<human>:  How do I download an app without Wi-Fi on my iPhone?
<bot>: Download an iPhone App Without Wi‐Fi
1. Open Settings.
2. Tap Cellular or Mobile.
3. Slide "App Store" to the On position.
4. Tap the back button and tap App Store.
5. Tap App Downloads and select an option.
6. Disconnect from Wi-Fi and download an app.