How to Enable 3G on an iPhone

This wikiHow teaches you how to how to turn off 4G or LTE service on your iPhone so that it runs on slower 3G cellular networks.

Edit10 Second Summary

1. Open Settings.
2. Tap Cellular.
3. Tap Cellular Data Options.
4. Tap Enable LTE.
5. Tap Off.

Open your iPhone's Settings. It's an app that contains a gray gear (⚙️) on your home screen.
Tap . It's near the top of the menu, next to a green square with a white cell tower icon.
Tap . It's near the top of the screen, in the first group of options.
Tap . It's the first option on the screen.
Tap . It's the first selection on the menu. Now, your iPhone will rely on 3G or slower cellular networks for voice and data.
- If you select Data Only, your iPhone will use LTE for data, and to access the Internet, but voice calls will be on 3G or slower cellular networks.
- If you select Voice & Data, your iPhone will use the fastest available LTE networks for both voice and data. Using LTE improves the quality of voice and data connections over cellular networks.

Open your iPhone's Settings. It's an app that contains a gray gear (⚙️) on your home screen.
Tap . It's near the top of the menu, next to a green square with a white cell tower icon.
Tap . It's near the top of the screen, in the first group of options.
Tap . It's the first option on the screen.
Tap . It's the second selection on the menu. Now, your iPhone will rely on 3G cellular networks for voice and data, when available.
- If you select 2G, your iPhone will rely on 3G cellular networks for voice and data, when available.
- If you select LTE your iPhone will use the fastest available LTE networks, where available, for cellular data only.^[1]