Customer/Carrier Return. Phone have blemishes/scratches and/or imperfection on the screen and sides. The phone can be use with any GSM Sim card in the world including AT&T T-Mobile, MetroPCS, Simple Mobile, H20, UltraMobile, StraightTalk AT&T, etc. (Phone does NOT WORK with Verizon, Sprint, BoostMobile or any CDMA network)