Looking to get a little more use out of your Galaxy S5’s battery? Samsung’s flagship smartphone will reportedly offer 21 hours of “talk time” on a single charge, but when you have half a dozen or more processes running in the background, it rarely reaches this amount. The good news is that you can significantly extend the Galaxy S5’s battery life by making a few simple changes to your device. Lower The Brightness Bold, brightly colored display screens are pleasing to the eyes, but they can drain your device’s battery. To reduce the brightness on your Galaxy S5, access the notifications bar and uncheck the box next to auto brightness. Next, slide the brightness bar down to a lower setting. Disable GPS Arguably, one of the biggest battery-draining functions on smartphones, including the Galaxy S5, is GPS. Don’t get me wrong, GPS is great when you need road directions or when you’re lost in the woods, but leaving this feature on any other time is a huge waste of energy. To disable it, tap Settings > Location > and move the switch at the top of the screen to the off position. Disable WiFi Of course, disabling the WiFi on…