Database Info

Android OS consuming too much battery!

last night i slept for around 8 hours, before i slept, i had battery power at 65% left, i wake up in the morning to find 27% left! now i think that verrryy much for idle state as my wifi, edge, games, calling/texting and screen were completely turned off for many hours. i look up the battery stats and found that Android OS had consumed 51%. below is the screenshot.
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somebody please tell me why is that? and how do i get more life out of my battery?

Maybe your phone only goes up to 9 hours...

Maybe it's kernel related.. Are you on custom rom already?

My Droid on a JB ROM has the Android OS consume about 90% of the battery and it dies after 8 hours of screen off time, airplane mode. *shrugs* if anyone has a solution id like to know.
Sent from my MB508 using xda premium

This has probably to do with something that is running in the background.
your phone apparently doesnt go into "deep sleep mode" Only in this mode you lose just few % per night.
I recommand to shut off your phone, take out the battery for a few seconds, put it back in, charge it in one go, then turn it on again. See what happens.

You can, of course, sleep with the charger in.

Welcome to Android, for the most part, our battery life sort of sucks :/

[Q] 4.2.1 Battery Drain Issues?

Hi guys, I've flashed the 4.2.1 ROM by albinoman887 and only when the screen is on the lowest brightness it uses a lot of battery, really quickly.
Thread can be found here
When it's on standby the battery lasts for about 7 hours, but when it's on it lasts for around 45 minutes. Please help
I've tried
- Wiping battery stats
- Calibrating battery.
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Your horrible cell signal is at least part of the problem. Your phone is constantly pinging the towers looking for a better connection. That's a serious battery hog.
You may have the wrong radio for your carrier. Or you may live in a dead zone for your carrier.
Also, is this your first battery cycle after a full wipe? I get results like that for the first discharge cycle after install. But then it becomes fantastic. Drain the battery all the way until the phone shuts off. Then charge it using a USB cord on your computer (not the standard power charger) for an hour past when it says 'full'. The slower USB charge can help to give it accurate voltage readings while charging so it doesn't stop charging too early. See if that helps.
The battery on Albino's 4.2.1 is pretty spectacular for most people, so the good news is that this is probably a fixable issue on your end.

The signal was when I'm out and about, most of the time I have 3-4 bars on HSDPA, I may do a full 24 hour charge or get a new battery

I have this problem too.But if i flash last build,baterry life is good.

Phone is hot and battery draining

My LG G3 has been working fine since the day I got the phone. Was also rooted on day one. I have done absolutely nothing to it besides rooting it. I woke up this morning and unplugged from the charger. After an hour of absolutely 0 use, the battery went down to 80%. It is now down to 35% after a few hours and the phone remains hot. Any suggestions as to what I could do to fix this? I have also posted a screenshot of betterbatterystats,
EDIT: I did go into WIFI settings and changed Keep WiFI on when screen is off to NO this morning. I have since changed it back to YES and the overheating problem has gone away. Anyone had this problem before?
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playin4sheezy said:
My LG G3 has been working fine since the day I got the phone. Was also rooted on day one. I have done absolutely nothing to it besides rooting it. I woke up this morning and unplugged from the charger. After an hour of absolutely 0 use, the battery went down to 80%. It is now down to 35% after a few hours and the phone remains hot. Any suggestions as to what I could do to fix this? I have also posted a screenshot of betterbatterystats,
EDIT: I did go into WIFI settings and changed Keep WiFI on when screen is off to NO this morning. I have since changed it back to YES and the overheating problem has gone away. Anyone had this problem before?
Click to expand...
Click to collapse
How long have you had the phone? You may want to restore (unroot) and return the phone for a new one.

Under 2 hours battery life on S7 Edge

I have had this problem for quite some time... however I always thought it was completely normal until... I noticed it is not. I read many reviews about this phone found that I should be getting around 5 to 6 hours which seems amazing but completely out of reach. I switched from an old iPhone 6 which made this seem like much better battery life. I used to get a bit more battery life but now not anymore. I am rooted and have tried many methods but all have failed. I am running a close to stock ROM called 'The Galaxy Project' which I like having. I have wanted to post this for quite some time. I charge my phone overnight and need it for the whole day, however it dies at half of the day. I have:
- Always on display off
- Screen res on 720P
- Bluetooth off when I don't need it
- Easy turn on is off
- Mtweaks is set to be a balanced power consumption
- Greenify is running on many apps
- Battery health is approx 84% which is said to be 'good'.
Sometimes I manage around 2 hours and 30 mins but this hasn't been happening very often recently.
Feel free to ask any questions... I have read many forums and none have seemed to help!! I really want to fix this problem.
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Galaxy S6 Running Android 7.0 WiFi Battery Drain

So basically just out of nowhere, about 2 weeks ago, my phone's battery just starts dying really quickly when connected to WiFi. I am talking from 100% to dead overnight (7-8 hours). It's an S6 purchased on release day, original battery, but before this issue, I could easily go a day with normal use and have 40% or more. Even now with the problem occurring, I can leave WiFi off and still get my normal battery life.
No settings have changed (I have always had all the suggested battery saving settings set appropriately), no system updates, just usual app updates. I figured an app update caused the issue so I factory reset the phone with no luck. I ran a suggested app, GSam, to check for usage. It hasn't shown any apps consuming the power, just power draining very quickly when WiFi is enabled.
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Not sure why this screencap is so huge, it won't let me resize it on here. Anyway, it's a screencap from GSam. The first half shows during the day with minimal use with WiFi off. The steep drop just before the green line is usage when I get home and have WiFi on. The solid green line indicates charging. After that is the overnight period with WiFi on, massive battery drain.
I'm at a loss at what to do. I really like this phone and this WiFi issue is killing the usability of it. If I'm at home and browsing apps with WiFi on the phone dies so quickly. If this were an issue regardless of WiFi, I'd understand that it's just old and a dying battery, but it's only ever present when WiFi is on.
Besides trying a custom ROM, is there anything else I can try to fix this? I don't have it rooted and would prefer to just keep it official firmware only if I can.
Thanks in advance.