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 is NOT included. A SIM card is not included. This product is in Grade B condition. B grade refers to units that may have dents, chips, or scuffs on the body, including a shiny or worn-down keyboard, and may exhibit hairline scratches or scuffs on the screen.