How to update an unlocked samsung to be compatible with wifi calling?
I have a model an unlocked Galaxy S20+ 5G (G986U1), which according to this(https://www.att.com/idpassets/images/support/wireless/Service-Capabilities-Unlocked-Devices-ATT-Network.pdf), is capable of using wifi calling when unlocked if it has a software update. The wifi calling option is simply not available. It's not not working--it's not there. It's not in the connections section nor is it in call settings.My software is update to date as it'll let me on the software update section of my phone. It's G986U1ES3GWA1. If not via the software update section, how would I update my phone to have wifi calling?