How to change the network mode on my Apple iPhone SE

Click each step to see the action. You can also click the picture or use the arrow keys.

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You can select a preferred network mode for your Apple iPhone SE (for example, 4G or 3G network). This setting will influence the data speeds that the phone can achieve.
1. Touch Settings.
2. Touch Cellular.
3. Touch Voice & Data.
4. Touch the desired option (e.g., 4G).
5. The setting has been changed.