How to thrifty smartphone battery
Your phone is dead does not boring anymore with frugal battery techniques. First the brightness of screen must be leveled to the darkest as much as it can be used comfortably. Secondly, Vibration should be turned off, battery life will be preserved. And the screen saver should be set at 15-30 seconds. The lower, the better. Then GPS, Bluetooth, 3G, 4G, Wifi, have to be switched off whenever not in use. Lastly, Unused applications must be closed every times when you stop using. Just as you do not have to worry that the battery running out anymore.