This phone is compatible with carriers on the GSM network only (e.g. AT&T, T-Mobile, Metro). Tested for battery health and guaranteed to come with a battery that exceeds 90% of original capacity. Inspected and guaranteed to have minimal cosmetic damage, which is not noticeable when the device is held at arm's length. Successfully passed a full diagnostic test which ensures like-new functionality and removal of any prior-user personal information.