Apple's iPhone 6 is one of our favorite high-end smartphones . While most iPhones are sold through carrier channels, it also makes an excellent unlocked phone -one good enough to call Editors' Choice . There are a few things you need to know to get the best unlocked iPhone experience, though.
Universal carrier compatibility in the United States; Best third-party apps of any mobile OS; Excellent low-light camera performance; Fast Wi-Fi
Phone calling performance is just okay