12t

Hello. I've got a problem with my 12T, which you can see in attachment. The phone came back from the service center, where they replaced the display module. Phone freezes on lock screen. After a few restarts, the phone works fine again until it is blocked Video of that problem ...

I feel really dumb for asking this question, but if I buy the Xiaomi 12T Global Edition, and install this ROM on it, will I be able to access the U.S. bands? I feel like this is really obvious, but I want to make sure before buying anything.