This phone is unlocked and compatible with any carrier of choice on GSM and CDMA networks (e.g. AT&T, T-Mobile, Sprint, Verizon, US Cellular, Cricket, Metro, Tracfone, Mint Mobile, etc.). Tested for battery health and guaranteed to come with a battery that exceeds 90% of original capacity. Backed by a one-year satisfaction guarantee, with free access to Amazon’s Technical Support team throughout the full year and ability to replace or return the product if it does not work as expected. 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.