A:AnswerYes, it will work, but sometimes the bands available differ between international models and US models. It's the US that is non-conforming. Some bands will definitely work, but maybe not all bands. You can get the details from Samsung's website if you drill down to specifications.
A:AnswerHi Green4. You can attach a photo by selecting the "+" sign to the left of editing box for typing. This can be seen in the User Manual in the link below on page 82. Thank you for reaching out to us.
https://www.samsung.com/us/support/owners/product/galaxy-s8-unlocked/ ^Kayla