iPhone users
You must have the following:

     a. An eligible rate plan

     b. iPhone 15 models or newer and software updated to iOS26.4 or later
     c. An eSIM activated after March 2025 or a physical 5G SUCI SIM

Android users
You must have the following:
     a. An eligible rate plan
     b. A compatible device updated with the latest software

Once the above conditions are met, you do not need to configure anything and can start enjoying 5G SA.