A:AnswerYou can request the carrier to unlock the phone after you have finished paying for it. You can also buy an unlocked phone directly from Apple, but you have to pay in full for it.
A:AnswerI live by the outter box for my iphone. I have dropped it several times over all the years I have been a apple owner and because of this outter box case and durability it has never been cracked or damaged. There are many cases out there to purchase, once you go with in my opinion the best you want nothing less.
A:AnswerDepending on the country you are looking to use it in, you can definitely have the phone unlocked.
Go to https://www.att.com/deviceunlock/
Once on the site, you will be able to research your specific serial number to see which countries may be eligible.