The first Galaxy Watch 4 firmware update is already out and waiting for you - SamMobile
Galaxy Watch gets software update for improved Samsung Health stability - SamMobile
Update software and apps on your Samsung smart watch
Galaxy Watch 46mm (Flash Firmware Using Wireless Download) - YouTube
Amazon.com: SAMSUNG Galaxy Watch 4 Classic 46mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Silver
Samsung's Galaxy Watch 4 could be a peek at the future of Android smartwatches - CNET
Amazon.com: SAMSUNG Galaxy Watch 4 Classic 46mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black
Samsung Galaxy Watch: Everything you need to know - Android Authority
Second Galaxy Watch update improves music play and battery charging - SamMobile
Samsung Galaxy Watch 4 updates: All the software releases in one place
Samsung Galaxy Watch 3 Review: The complete package - 9to5Google
Another Firmware Update Rolls Out For The Galaxy Watch 4 Series