You can already use your phone on any network, because those phones come unlocked as their default. And if you think about it, it makes sense: Since Google does not have its own carrier network ...
How to unlock an Android phone on T-Mobile The process will vary slightly depending on your phone's manufacturer, but you need to connect your device to the internet or T-Mobile network.
For those who don’t know unlocking a phone frees it from the restriction of any particular network carrier, allowing it to run and access other networks that use the same wireless standard.
This means that should you want to be able to use those phones on a different carrier, you have to unlock them first. Walmart Family Mobile is an MVNO (mobile virtual network operator) that used to ...