If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...
Update October 16, 2025: US Mobile has launched its own trade-in program, which allows you to trade in Apple, Google, Samsung, OnePlus, and other devices for higher values than most other carriers ...