How to save battery life on your Galaxy S4 September 01, 2013 – by Unknown 0 Save battery life by setting your GALAXYS4 to auto connect/disconnect from a Wi-Fi network. Wi-Fi Timer: Settings > Wi-Fi > Menu > Advanced > Wi-Fi Timer
How to adjust brightness on your Galaxy S4 September 01, 2013 – by Unknown 0 Adjust screen brightness using the slider bar on the left on your GALAXYS4 while watching a video. Hold and Swipe the left of your screen to adjust video brightness.