Apple iPhone 6S Plus, GSM Unlocked, 128GB - Silver (Refurbished) Renewed products look and work like new. These pre-owned products have been inspected and tested by Amazon-qualified suppliers, which typically perform a full diagnostic test, replacement of any defective parts, and a thorough cleaning process. Wireless devices have batteries tested to have at least 80% capacity relative to new at the time of sale. Packaging, wall plug and charging cable may be generic (headphones not included). Wireless products on Amazon Renewed come with the 90 day Amazon Renewed Guarantee. 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).