How do I eliminate a Verizon phone contract on a Apple iPhone 12 and switch to T-mobile

My name is Jason Burnette from the time I opened this phone up when I bought it as a Verizon store in Athens Tennessee. There’s already two active credit cards on it in my name. OK Verizon will not allow me to use Wi-Fi Verizon. Manipulate my VPN Verizon won’t allow me to use Wi-Fi calling Verizon I found in my internal storage running an algorithm preventing me from accessing my phones while they continue to upload $60,000 and my financial marker which is required in order to receive money from google what should I do