How to open a 5g network?

If you use vivo's 5G mobile phone, how to open the 5G network:

Method 1: Enter the settings-(dual card and) mobile network-SIM card information and settings-select the corresponding operator (mobile/Unicom/telecom) to enter-enable 5G;

Method 2: Enter the settings-(dual card and) mobile network-enable 5G.

Note: The opening paths of different models are slightly different. Please refer to the actual interface display. You need to confirm with the operator that there is 5G network coverage in the local area, and the mobile phone card will open a 5G network package.