T mobile network locked s10, Is it a brick for Inernational

[Ro E]

Got a locked T Mobile from amazon by mistake, Can't replace it because i left the country.
Can i use it with a not t mobile sim?
It is android 10 sm-g973T and it doesn't register with another sim
From what I have read it seems I need to send it to the US to replace it...

 

[schwinn8]

If it's carrier locked, then no... it must be unlocked by Tmo before it can be transitioned to any other carrier.

Or you have to replace it with an unlocked phone, of course.

 

[Ro E]

So they say I am not their customer, they will not unlock
Thanks!