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.
Read moreHow do I manually change to 5G?
To do this, we’re going to repeat the first steps, this time switching the phone so that it’s forced to use 5G.
Read moreHow do I make my phone stay on 5G?
Open the Settings app then go to Cellular > Cellular Data Options > Voice & Data and tap LTE . Your phone will then turn off its 5G connection, reverting to (sometimes) slower LTE connection.
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