Android System and OS battery drain - Nexus 4 Q&A, Help & Troubleshooting

I know most of the time a restart will fix this issue but I have been dealing with this for 3 weeks. Continuous restarts and no change.
Is there any way I can fix this without doing a factory restore?
I have tried restarting after full charges,
I heard that while disconnecting the charger keeping the screen awake will help but nothing.
On latest stock 4.4.2
Pics below.
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Sent from my Nexus quattro

4ringsa6 said:
I know most of the time a restart will fix this issue but I have been dealing with this for 3 weeks. Continuous restarts and no change.
Is there any way I can fix this without doing a factory restore?
I have tried restarting after full charges,
I heard that while disconnecting the charger keeping the screen awake will help but nothing.
On latest stock 4.4.2
Pics below.
Sent from my Nexus quattro
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Click to collapse
Most likely it is an app you have installed. I use Greenify from the app store to hibernate apps that have wakelock issues. I would start there. You have to be rooted for this to work.

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[Q] Battery life problem

Hello ,
in 2 days a go ,I flashed my galaxy s4 4.2.2 to KitKat 4.4.2
my battery life drain fast , but the old version it's better than the new version ( battery ) I don't no why
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Factory reset ur phone will helps :highfive:
Battery drains
Joku1981 said:
Factory reset ur phone will helps :highfive:
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Hi,
I have the same problem since upgrading to android 4.3. I read one post and it said that upgrading to 4.4.2 will help so I upgraded it but the problem is still there. I have also done the factory reset as well as wiping cache. I turned off Wifi, sync, lowering the brightness as well as using power saving mode. I don't understand what is going on with my device. It's really annoying.
I used the BetterBatteryStats to analyse the usage of battery and this is what I got (attached below). I completely don't understand how to get a thing out of these analysis.
Please I really need help here.
Thanks.

Radio shows as off+battery frain

So I have been having battery issues on my Note 3 for a while now. Android system has been a large offender of using my battery, but I've also noticed that there are gaps in my mobile network signal. From this post: http://forum.xda-developers.com/showpost.php?p=26891039&postcount=14 I'm gathering that my radio is off? This happens when screen is on, but mostly when it's off. During these times I can get texts, and everything works fine. Just my battery starts to drain faster. The area under my camera also gets rather hot. This is my 2nd Note 3 with this issue, the first one was RMAed because it would not get messages on time.
Does anyone have any idea what could be causing this?
Running Jasmine ROM 2.4.1.
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I believe with your radio off you should drain less battery. Mine does it too, and I have awesome battery life without being rooted. Usually well over 24 hours with heavy use, and 6 hours or more on screen time. I recently did a factory reset so maybe that's what you need for better life?
Sent from my SM-N900V using XDA Free mobile app

Random Freezes after Sideloading Lollipop

I sideloaded the OTA from stock configuration about 2 weeks ago, and since have experienced random freezes about 5-6 times.
At first I thought the phone was actually just randomly shutting down on its own since I couldn't turn the screen on, but then I noticed that the notification light was blinking (not red). Also my battery stats show the weirdest thing when this happens -- battery is not discharging, and everything is inactive except for wi-fi. Screenshots below.
Every time this has happened has been after a period of inactivity (after I've put it down for more than 30-40 min). I've experienced no other problems besides this so far.
Has anybody experienced this? Do you think a factory reset would help?
Note the OTA link and sideloading guide I got was from here: http://www.reddit.com/r/Android/comments/2mgh8o/nexus_4_lollipop_ota_link_and_update_guide/
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It's called the screen of death, and it's a long standing issue with the N4. See:
http://forum.xda-developers.com/nexus-4/help/nexus-4-randomly-off-intermittently-t2077148
https://code.google.com/p/android/issues/detail?id=52926
FormerSlacker said:
It's called the screen of death, and it's a long standing issue with the N4. See:
http://forum.xda-developers.com/nexus-4/help/nexus-4-randomly-off-intermittently-t2077148
https://code.google.com/p/android/issues/detail?id=52926
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Aw crud. I have never experienced this before lollipop and I've had my N4 for 2+ years. Wonder if it would go away if I reverted to Kitkat. In any case, thank you for your answer.

com.lenovo.runtime Lenovo spyware?

After the whole superfish spyware scandal with Lenovo I'm curious what you guys think about this runtime from lenovo which came preinstalled on my ZUK. It basically has full device access. I tried freezing it but it keeps on running in the background. The app name is Runin-Main (com.lenovo.runtime).
Anyone did a deeper analysis of this app on and what it does?
I froze it with Titanium Backup and it stuck.
Actually on a reboot even with the files disabled, I think the start because the force close option is there, but they stay off until you reboot again.
I have the same doubt about it, also because looks really aggressive on battery drain.
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Sent from my Zuk Z1 using tapatalk
Here more details.
Maybe some kind of testing/benchmarking tools?
Looks suspicious.
Same problem here, this com.lenovo.runtime is taking a lot of battery, what is it exactly? Anyone else tried to froze it or delete?
This process is only on Cyanogen OS? not on CyanogenMod?
Not showing up in my battery stats. I came across this too. It's harmless you can get to it with a button combination too. It's an engineer test. Try freezing them.
Sometimes it appears, sometimes not, is it the same on CM12.1 or only on COS12.1?
It takes a lot of battery.
This only comes preinstalled with COS12.1

5.0.2 Battery problem (hard resetted a few times)

Hi everyone!
Everything what I write is about stock rom:
After upgrading from Jellybean to Lolipop, I had a serious battery drain problems because of "Android System" even though I did hard reset a few times. I decided to go bback to Kitkat and had no problem with it. But nowadays I wanted to use Lollipop again thanks to its design and upgraded to 5.0.2 TRV30d with PCSuite. But still I have this problem, "Android System" uses a lot battery. I
You can see battery usage statistics, there is a problem with Android System in Lollipop but I can't understand the problem. I need your help guys!
I've only talked for 5 mins and connected to Wifi most of the time. I never turned on GPS, Bluetooth or NFC.
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Let the phone settle for a week and report back then.
waingro808 said:
Let the phone settle for a week and report back then.
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In my first upgrade-experience I've used it for more than 1 months with this battery problem. I've tried everything, including using the phone until it turned off with %0 battery and charging fully.

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