So I'm traveling to China and Japan next wednesday, super excited. but I have no phone there and I will need one to contact my friends and relatives in both countries.... I suppose I could use my cousin's 3 year old Android but that would suck, ultimately my friend said he will let me use his 3GS, but I really want to use my ATT 5S here...is it possible to unlock it or at least do what verizon does...unlock it for international use but still locked for domestic use? also..what about iPhone 5? are these unlock able? ATT said no because they are still in contract...I call it BS because i upgraded my 5S with cross upgrade and decided to give my 5 to my family member...could have unlocked it before signing that two year contract.