I wanna get an unlocked phone from ebay, but im not sure if i should get one becuz i don't know if they will work with my prepaid att go phone account. I've been reading about unlocked phones, and ppl r saying all u have to do is put ur sim in. Is that true? Oh and where can i get cheap unlocked phones? Thank You!!!!!!! wanna get an unlocked phone from ebay, but im not sure if i should get one becuz i don't know if they will work with my prepaid att go phone account. I've been reading about unlocked phones, and ppl r saying all u have to do is put ur sim in. Is that true? Oh and where can i get cheap unlocked phones? Thank You!!!!!!! Ok, so im adding more detail becuz a person just answered my question, but now im curious about another thing. I now understand the part about the phone will work if i pop the sim card in, but i don't really get the part that certain parts of the phone won't work if its not unlocked right. So if its not unlocked right the txting and the media net won't work? Help!!!!!!!