Can I swap carriers on my LTE tablet?

Episode 1542 (2:03:57)

BJ from New Jersey
Galaxy Tab S4

BJ wants to know if he needs to reinstall the OS on his tablet in order to change the carrier for it. Leo says no, and since BJ's tablet is with Verizon, he can just replace the SIM card with another. If it doesn't work, he can go to Verizon and ask them to unlock it. They have to unlock it by FCC mandate. He shouldn't need to unlock it, though.

How does he get rid of all the Verizon stuff on it? Leo says he can "root" it. He should check out the forums at XDA-Developers.com. He should be able to get instructions on how to do it. He should just make sure to follow them to the letter.