A:AnswerI brought back mine to the store for an exchange well within the exchange timeframe, and I was told no. They were not helpful at all. You should go to the Apple store. Good luck.
A:AnswerI heard that you have to go the wireless company in question and prove you paid off the phone. Then they will unlock it for you.
Example: if the carrier is AT&T, then you have to go to an AT&T store to get it unlocked.
A:AnswerIt’s based on bill credits. Once you trade it in, they will require you to sign a contract for 36 months and each bill will have a credit on it until the $1000 has been reached. Hope this helps.