A:AnswerYes unless you buy it in "opened box" which is at a discounted price. The product is still new but might have been used by a previous customer during the return window.
A:AnswerMake sure you buy the International version.
The US version of the Galaxy S23 will NOT work with international SIM cards and eSIMs, despite having the bands capable to do so.
A:AnswerI believe so. I use mine in the states but i did some research and see people using the same device in other countries as well including Brazil.