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My Nexus 4 seems to be having a high number of wakelocks and battery life isn't what it used to be. Have attached some photos, anyone able to help me out and find the root cause of this.
Install BetterBatteryStats and see what that says about your wakelocks and sleep states etc.
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3 words:
Get .franco kernel
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Hi guys,
Last night I had 15% drop at the battery, wifi was off, gps was on.
From gsam i saw that the kernel drained the most.
Does anyone have any ideas how to avoid this kind of battery draining?
Few days after I got the phone I had 0%(!) battery drain at night and it was along few night, for some reason i cant reach same level of battery drain at night now.
Thanks in advance.
You have some weird apps keeping your phone awake, nova launcher? Have never seen that one in my list. Install betterbatterystats to see the wake locks in detail.
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kwibis said:
You have some weird apps keeping your phone awake, nova launcher? Have never seen that one in my list. Install betterbatterystats to see the wake locks in detail.
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
I don't think that's a wakelock list buddy, it's just listing which processes used the battery the most.
Apex, run this for a few hours and post a screenshot.
Betterbatterystats is an app that shows into detail the wakelocks, alarms, frequencies etc. Don't know the app you gave, maybe it does the same.
http://forum.xda-developers.com/showthread.php?t=1179809
ok so here are the findings:
I froze news&weather since i dont use it and put taptalk on 3 hours intervals of checking.
I'll read more into BBS analysis to retrieve further information
anyone?
It doesn't seem like there are any weird wakelocks. How many hours of screen on time do you get?
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Turn off your GPS.
Why do you need it on when you're sleeping? do you sleep walk? Don't answer that. Lol
I recommend downloading this app called "greenify" and find that app and hibernate it.
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I also installed greenify, but it just doesnt seem to work well... every now and then, when I check on greenify, I need to re-freeze the Maps App, even though I didnt start it in the mean time.
Speaking of which, why does Maps keep the phone awake that long (or wake it that often) and drain so much battery at all?
anyone got an answer to this?
Hello,
I really tried to find an answer to my question but I couldn't. There is a thread in the Galaxy S3 forum but as I have a N4 and suggestions in the said thread did not help I'm trying here again.
As BBS tells me, Audioout_2 is causing a lot of wakelocks on my N4. In 10 hours of use, it caused 704 wakelocks (more than 50 minutes). I guess it is a lot since the next on the BBS list is Kakao talk with 9 minutes (280 times). The sound was turned off the whole time (vibrate only). And I don't have Viber installed (some people supposed that Viber caused the Audioout_2 wakelocks). I also turned off Google tts which was supposed to cause the problem too.
Does anyone know what Audioout_2 is and how to decrease the number and time of wakelocks?
Thank you very much in advance.
Edit: Running latest PA on latest franco kernel + some grammar corrections
Really? Am I the only one having this problem with a N4.
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I've read in a thread that the problem could be the touch sounds, try to deactivate them (touch sound, screen lock sound and keytones) and see if it desappears! (Reboot the phone after disabling those sound, in order to be sure)
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TheUnreaL said:
I've read in a thread that the problem could be the touch sounds, try to deactivate them (touch sound, screen lock sound and keytones) and see if it desappears! (Reboot the phone after disabling those sound, in order to be sure)
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Click to expand...
Click to collapse
I have the same problem. I've disabled touchsounds etc. a long time ago, so that's not the problem.
Really don't know what to do about those wakelocks...
Janne79 said:
Really? Am I the only one having this problem with a N4.
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Click to collapse
You'll need to wait longer than 3 hours before coming to that sort of conclusion.
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TheUnreaL said:
I've read in a thread that the problem could be the touch sounds, try to deactivate them (touch sound, screen lock sound and keytones) and see if it desappears! (Reboot the phone after disabling those sound, in order to be sure)
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Thank you for the answer but that's definitely not the problem as I never ever used touch-, screenlock- or keysounds.
steviewevie said:
You'll need to wait longer than 3 hours before coming to that sort of conclusion.
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Click to collapse
Sorry, you're right, seems a bit impatient by me. But, it was 3 hours and 6 minutes No seriously, I'm sorry.
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Audio_2, so descriptive...
I have had the same problem with this strange wakelock on my N4 with stock google + franco kernel.
I am not sure when exactly it started to appear, so lets find some commonalities:
Do you have Calendar Snooze ( cannot post links yet ) installed ?
Andrey
PS (installed CyanogenMod without franco kernel 6 hours ago, lets see if it will reappear)
andrey.tch said:
Do you have Calendar Snooze ( cannot post links yet ) installed ?
Andrey
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Click to collapse
Nope. But latest "rumor" I heard is that the haptic feedback causes the wakelock too. Turning off sounds is not enough. So I'll try to turn off haptic feedback after next charging too (even though I will miss it)
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I'm pretty sure audioout_2 comes up when you are listening to music or watching a video. I've been listening to music on spotify and I get that wakelock normally.
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scream4cheese said:
I'm pretty sure audioout_2 comes up when you are listening to music or watching a video. I've been listening to music on spotify and I get that wakelock normally.
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Click to collapse
I don't here any music on my phone. Maybe listening to music causes those wakelocks but there must be something else causing it too.
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Janne79 said:
Nope. But latest "rumor" I heard is that the haptic feedback causes the wakelock too. Turning off sounds is not enough. So I'll try to turn off haptic feedback after next charging too (even though I will miss it)
Click to expand...
Click to collapse
I did not have haptic feedback, which pretty much rules it out for me. I did use music player though (3rd party, not internal one) over bluetooth. But somehow it was appearing when I did not listen to the music too, just drove and phone (wow... feels weird to call it like that) was connected to in-car bt audio
Seems to be haptic feedback. After I turned it off the wakelocks from Audioout_2 almost stayed the same (2 min in 2 hours)
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Janne79 said:
Seems to be haptic feedback. After I turned it off the wakelocks from Audioout_2 almost stayed the same (2 min in 2 hours)
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Click to collapse
I am glad you have it solved for yourself. I will try to keep an eye on haptic thingy too.
Just a little update: Phone is unplugged for 3 hours now, haptic feedback off, wakelocks caused by Audioout_2 are down to 8 seconds (12 wakelocks). That's a huge improvement.
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Last update: 9hrs, 2 min with 63 wakelocks. I guess that's it, problem solved. I'm surprised how fast I got used to not using haptic feedback.
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Janne79 said:
Last update: 9hrs, 2 min with 63 wakelocks. I guess that's it, problem solved. I'm surprised how fast I got used to not using haptic feedback.
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I hate haptic feedback. it's annoying and a waste of power. Grrr.
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I love haptic feedback but it's a battery drainer indeed.
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Janne79 said:
I love haptic feedback but it's a battery drainer indeed.
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Click to collapse
I'm glad you solved the problem. :thumbup:
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Strange I've been running all day (5hrs) with haptic on and I've only got 12 seconds (count 13) worth of wakelocks from audioout_2...
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rysup said:
Strange I've been running all day (5hrs) with haptic on and I've only got 12 seconds (count 13) worth of wakelocks from audioout_2...
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Click to collapse
The whole Audioout_2 thing is strange. Some people solved the wakelock problem by uninstalling Viber, some by turning off system sounds only and in my case it obviously was the haptic feedback. I don't get it too but it solved my problem.
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Is anyone else experiencing very bad battery life? I use it for five minutes and it drops 5%... Am I doing some
Thing wrong?
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Welcome to life of the S4. No youre not doimg anything wrong. The best thing I can suggest is using Juice Defender, and a Task Manager. Turning mobile data off when not in use, screen brightness at about halfway. I can squeez about 20 hours out of this phone with moderate use this way.
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You're doing something wrong if it drops one percent per minute
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You could give the new qualcomm battery app a shot... takes a few days to read your usage then starts adjusting things like app sync times etc to save your battery.
I just started trying it out. Looks promising.
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Battery life is like the only good thing about the galaxy s4. I'm so disappointed with the lag and the overall performance of the phone. But battery life lasts me the whole day. I have the At&t galaxy s4.
What's the app called?
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Right im just not sure what I am doing wrong though because I have restored my phone many times with no results.
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drucquerkellan said:
What's the app called?
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Click to collapse
Battery Guru
Thanks
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joeybear23 said:
You could give the new qualcomm battery app a shot... takes a few days to read your usage then starts adjusting things like app sync times etc to save your battery.
I just started trying it out. Looks promising.
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Click to collapse
From my personal experience with it, it keeps waking up my phone when it goes into deep sleep. It wastes more battery by constantly waking it than it saves me.
drucquerkellan said:
Right im just not sure what I am doing wrong though because I have restored my phone many times with no results.
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When you restore your phone, are you restoring all the apps? One bad app is all it takes. you should reset to stock, and not install any apps. Then when you see that it runs ok, install one at a time as you test.
Not sure who has lag issues, but my phone rocks. No lag here and battery life is great.
No lag here, at all... My best for battery is 3 days, with 4 and a half hours screen-time...
alphadog00 said:
When you restore your phone, are you restoring all the apps? One bad app is all it takes. you should reset to stock, and not install any apps. Then when you see that it runs ok, install one at a time as you test.
Not sure who has lag issues, but my phone rocks. No lag here and battery life is great.
Click to expand...
Click to collapse
OK thanks I'll try that
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King Ding-a-ling said:
No lag here, at all... My best for battery is 3 days, with 4 and a half hours screen-time...
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Click to collapse
Wow mine won't be on for a whole day and it'll drop down to 50%
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alphadog00 said:
When you restore your phone, are you restoring all the apps? One bad app is all it takes. you should reset to stock, and not install any apps. Then when you see that it runs ok, install one at a time as you test.
Not sure who has lag issues, but my phone rocks. No lag here and battery life is great.
Click to expand...
Click to collapse
My screen time is 2 hours 3 minutes. The battery is already 28% and I just watched it drop to 26%
ALSO my screen brightness is 25%
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drucquerkellan said:
My screen time is 2 hours 3 minutes. The battery is already 28% and I just watched it drop to 26%
ALSO my screen brightness is 25%
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Click to expand...
Click to collapse
Keep in mind there are lots of variables at work.
Wifi vs. Cell data - Turn on Wifi and battery usage goes down a LOT - if you are in a wifi area all the time. Cellular data is a battery pig.
Weak signal area - another battery pig - i have had phones drain in 8 hours doing nothing if i had poor reception
Usage mix - Your 2.5 hours of screen time, could be good if you have screen at high brightness and are streaming cellular data (movie) and if you are also syncing email, facebook, and everything else in the background.
If you do all your data by Cellular, then 4 hours of screen time will probably be your limit. It is hard to tell if you have a wake lock issue or not, as we don't know anything else about your usage, apps that are frozen, gestures on/off, etc.
Monkz said:
From my personal experience with it, it keeps waking up my phone when it goes into deep sleep. It wastes more battery by constantly waking it than it saves me.
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Click to collapse
Thanks I'll keep that in mind.
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drucquerkellan said:
My screen time is 2 hours 3 minutes. The battery is already 28% and I just watched it drop to 26%
ALSO my screen brightness is 25%
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Click to collapse
What does the next screen show - when you tap on the graph - it will show screen on time and wake time.
And do you have power save mode on?
Sorry if I've missed something here guys but I noticed mention of the Bluetooth wakelock bug on KitKat builds. I had it too within hours of flashing it I had over 1 hour odd of keep awake in battery stats.
After going into Bluetooth and enabling it then disabling it, it still hasn't increased it seems to have stopped for now. Can anyone replicate this or explain this? I haven't had time to grab a logcat and look at it yet I'm at work currently.
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Just reboot.
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Read something about this, somewhere.. if only I could remember now. In KitKat, Bluetooth isn't actually eating up the battery when it's not being used.
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But its visibly keeping the phone awake. So it must be using it I never had it enabled before it appeared in battery stats.
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I posted data thought about this at another thread where what I think is that just WiFi in 4.4.2 Bluetooth is always on although disabled but it should not be consuming battery(thanks to the low energy) unless it's connecting to other devices in fact I actually tend to use Bluetooth 50% of the time to play games with my moga and music in the car or with my deck at home and still get 15 hours easy
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Yeah I spoke too soon its updated to 9 hours keep awake now but I have 3 hours screen on time and still at 50 percent battery so I don't think its actually using much if anything
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