iPhone SE support.
Turning 4G on or off.
If our 4G network isn't available in your location yet, you can check our list to see if we're bringing 4G to your area.
You should also make sure that 4G is enabled on your phone. If for some reason you decide you don't want to use 4G yet, you can also disable 4G on your phone.
To enable or disable 4G on your iPhone:
Tap Mobile Data
Tap Mobile Data Options
If you want to use 4G, make sure it's switched on. If you just want to connect to our 3G network, make sure Enable 4G is switched off.
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