How do I unlock my sim card on my iPhone 13 Pro?

If you're a Tmobile customer you need to meet all the requirements in the link below.

https://www.t-mobile.com/responsibility/consumer-info/policies/sim-unlock-policy

T-mobile rep said since Jan 6 2023, they no longer temporary unlock iphone But they could temporary  unlock Android phone.  To unlock, you would have to paid off your iphone.  is T-mobile doing?