Stay connected with 4G LTE Samsung Galaxy Watch and manage one number with AT&T NumberSync. It's easy eSIM set-up process keeps you connected. Once you download the Galaxy Wearable app
on your mobile device, pair your smartwatch using Bluetooth to your mobile device and follow the easy set-up process. Your watch will connect to the 4G LTE network. You have the option to use or create your AT&T user ID and complete the NumberSync set-up in myAT&T on your smartphone. You'll have the freedom to call, text, stream music and receive notifications even if your smartphone isn't nearby or powered on.