A:AnswerI use an unlocked s10+ on MetroPCS. I still have and have used Wi-Fi calling. I also used my old SIM card from my previous phone. Just need to make sure your company knows all the new info to update your account. Hope that helps.
A:AnswerThere are 2 kinds of white...a ceramic white which is pure white and its heavier and there is the prism white which is the rainbow looking color. I have the ceramic white and I love it. I put a case on mine so the color doesnt matter to me. Lol
A:AnswerNo. When you get your preorder phone, you will have a message in the Samsung inbox, where you put in your info and provide a pic of the preorder and submit. Once approved, they will be shipped.