Where is my 5G setting?

Tap Settings > Wi-Fi, tap the three-dot overflow icon, then tap Advanced > Wi-Fi Frequency Band. Now, pick a band: either 2.4GHz (slower, but longer range) or 5GHz (faster, but shorter range).

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.

Open Settings, and then search for and select Network mode . Tap Network mode, and then tap an option that includes 5G connectivity, or GLOBAL. Restart your phone.