A:AnswerHello Eli, thanks for asking! This watch is compatible with Samsung Smartphones, Non-Samsung Android Smartphones (Android OS 5.0 and above RAM 1.5GB and above), iOS 9.0 and above iPhone 5 and above. ^Elizabeth
A:AnswerHello Raf, thanks for asking! Please follow this link (https://www.samsung.com/global/galaxy/galaxy-watch/device-compatibility/) to learn more about the restrictions that may occur with iPhones. ^Elizabeth
A:AnswerHello Debbie, thanks for asking! Samsung has Bluetooth and LTE smart watches. The LTE version can receive calls and messages without being connected to a phone. However, this model is the Bluetooth version. ^Elizabeth