I'm in another country, and bbefore I left, I turned off my phone so it wont go international. using wifi while on airplane mode, I downloadded an app. now, after I turned off airplane mode, it says internation. will I have to pay???!! cause I heard its thousands even if u don't use it. I havent used the Interner except on wifi with airplane mode. I have kept airplane mode for most of thrle trip, and I'm staying for another two weeks. my phone is an HTC Evo 4G and my carrier is Sprint. please help!