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1

Go to Settings > Battery and see which app or service is the culprit. Touch on the app that is using an unusual amount of battery and you can FORCE STOP or REPORT it from there.


0

If you are rooted, there are many apps and tools available to help you see which apps are killing your battery. I have found Wakelock Detector to be very useful.


0

You've caught an app which I'd consider "malware", or at least "spammy". It might run in background without being needed, and even load stuff you don't want. As you already identified that music download app being what it started with: get rid of it (I'd even bet you didn't get that app in an official market like Google Play, but found it elsewhere?). If ...


1

From what I can tell, the multiuser feature DOES drain quite a lot of battery. Here is a screenshot of my battery stats - I have not logged in as the other user since my last full charge. Click image for larger version


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If you're rooted, try Greenify. It will hibernate all the unused apps and thereby releasing resources which sucks up your battery juice.


2

Navigate to Settings -> WiFi -> Advanced (under the context menu) and ensure that Scanning always available is not checked. This feature 'Let's Google location service and other apps scan for networks, even when WiFi is off'. This is most likely the cause of the battery drain. To further reduce WiFi battery use, you could change the Keep WiFi on during ...


0

Try the extra battery when you get it but in the meantime look up how to calibrate your battery with or without root (depending on your setup (if you don't know what root is you probably don't have it and it's probably not worth messing around with) . There is an app on the play store called battery calibration pro that should work without root. Also try ...


0

Greenify too, add YT to the app-to-close list when hibernate. You can do it another way. Run battery Doctor and locate YouTube in the list of running apps. Close YouTube, then turn off wifi and screen.


1

If you're directly writing the kernel with fastboot then it shouldn't touch the user data. If you're flashing it through recovery it should also be OK, but it's possible for the update.zip file to perform other actions that could wipe data.


0

If wifi connection is not very strong like musicwithoutpaper said it consumes more battery and it may save little battery to switch to 4G when idle. I would suggest to make little experiments and then choose optimal way to go.


0

Yes. It has become rather useless. You can't know how many hours passed since you unplugged it, and now the percentages do not add up to 100% (as they should in any rational universe)


1

Stop running unnecessary applications in the background. For example: Bluetooth should be off when not in use and it can be turned on per usage like for example get a call then turn it on or make sure if turned on always plugged in to a charger. Make sure you get titanium back up; you don't need pro. Go inside play store and download it. Run it and then ...


0

The percentages do not refer to actual battery use, e. g. on your device, those 1% marks don't mean that specific application has used the 1% of the battery.


0

This is mostly caused by "scanning always available" under Advanced Wifi Options. Disable it and you shall see this reduced significantly.


3

Never let it run down below 10% if you can help it. Running down to "absolute zero" harms your battery (and might even render it inoperable – which is why most devices shut-down before reaching that point). Modern LiIo batteries don't suffer from "memory effect", so ideally you'd plug-in a charger whenever possible: "trickle-charging" doesn't hurt them, low ...



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