Yes you can choose AT&T, Verizon, TMobile
This will give you an idea that it can be done very easily. At the same time red pocket tries to make things as idiot proof as they can and if you don’t do anything, you will probably end up with ATT.
If you scroll down, and tap on sim type you will have a choice of three Sims from the three major carriers
If you go directly to their online website and not eBay, you may have to do an online chat and tell them what network you want to be on.
The reason for this is AT&T gives you the most amount of data for the money, so that’s what they advertise
