This iPhone has been certified by our industry-leading mobile diagnostic software to be 100% fully functional. It was a customer return, demo, or display unit and is in EXCELLENT Grade A 9+/10 cosmetic condition showing only extremely light signs of wear from handling. This phone is fully functional with all GSM carriers such as AT&T, T-Mobile, etc. It will not activate with CDMA carriers such as Verizon and Sprint. Original packaging and SIM card are not included.