Using Verizon's Samsung S7 on T-Mobile Network

I'm posting this mostly for my documentation purposes. I might add screenshots and more information as I go through this process. Currently trying to acquire a Samsung Galaxy S7 from Verizon to be used on the T-Mobile network.

• General info on S7 on T-Mobile Network
• T-Mobile Network, APN and VoLTE settings
• Updating OS/Software on Samsung phones from Verizon