Go to Settings > Cellular > Cellular Data Options . If you see this screen, your device has 5G activated. If you don’t see this screen, contact your carrier to confirm that your plan supports 5G. Turn on Airplane Mode, then turn it off.17 Mar 2022
Read moreCan you turn off 5G on iPhone 12 and use 4G?
Tap on the LTE option to switch off the default 5G Auto and make your iPhone 12 roam with 4G connectivity only .
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