- Apple iPhone Carrier: Compatibility Rating
- AT&T: Fully Compatible
- Sprint: No Service
- T-Mobile: Fully Compatible
- Verizon Wireless: No Service6 16 GB Unlocked, Space Gray (Certified Refurbished)
Factory unlocked iPhones are GSM models and are ONLY compatible with GSM carriers like AT&T and T-Mobile as well as other GSM networks around the world. They WILL NOT WORK with CDMA carriers like Sprint, Verizon and the likes. The phone requires a nano SIM card (not included in the package).