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Re: GSAM Battery Screenshot - How is my battery holding up?
I attribute your steep decline in battery life on the chart screen to be a result of your video viewing (where the screen is constantly refreshed, brightened, darkened, and activating the gpu at a higher setting), and your app downloading in the play store. Since your phone is new, and your probably still feeling out and testing out different apps from the play store your download activity is probably a bit higher than it will be in the future. Once your comfortable with the apps on your system and how its configured you'll probably start seeing longer battery life. The downloads use up battery from quite a few sources at the same time (cpu, disk, and wi-fi or mobile). I'm guessing a lot of the screen battery use may be from your video viewing, but I'll ask the following screen setting related questions anyway: What is your screen brightness set to? What is your screen time out set to? Have you gone into phone settings and enabled any power saving options? In your location settings what do you have set (specifically what mode have you selected there)? Have you enabled Wi-fi optimization? What carrier are you with? Part of the Android System battery usage is probably from Dalvik (which expands apps every time you open them, and re-compresses them when you close them) you may want to experiment with ART as the runtime engine to see if it works for as it not only saves battery when opening apps, but also makes the system start faster. A bunch of small little tweaks can quickly result in many more hours of battery life.
Originally Posted by Squibbles80