If you are a network user and wondering “why is my 5g not working” then you should fix it by reading the following solutions:
Very first step is to check if your phone is compatible with the device or not. It is not necessary that all new phones are capable of running with 5G. So, you should check the box.
Activate airplane mode and then deactivate again. It will reconnect the all network
Check your area’s availability for a 5G network
Check the voice and data section
Learn here: https://getassist.net/5g-network-not-showing-up/