Amazon.com: Samsung Galaxy S4 Owner's Manual: Your quick reference to all Galaxy S IV features, including photography, voicemail, Email, and a universe of free Android apps: 9781936560172: Weber, Steve: Books
Samsung Galaxy S4: A Complete Step by Step Guide: Burton, James J: 9781497557970: Amazon.com: Books
Amazon.com: SAMSUNG Galaxy Watch 4 44mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black : Electronics