[Q] Nexus 4 turns on randomly in pocket? - Nexus 4 Q&A, Help & Troubleshooting

My nexus 4 has had some curious behaviour over the past few days. Sometimes I take it out of my pocket and the screen is on, and its in an app, or my pie mode has been activated. I noticed that 9/10 times my Bluetooth turns on
. this isn't a big issue but it drains my battery. Help is appreciated. (I'm running PA atm)

Double tap to wake kernel ?
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jithuelad said:
Double tap to wake kernel ?
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I did, but disabling it is not making a difference.
EDIT: its fine now, that was the issue. Thanks

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[Q] [q] strange battery life on the n4

Just got my new Nexus 3 days back.. and today was the first day using the phone not plugging it on and off thorough the day.
noticed something odd. I hadn't opened the maps app.. so it makes it even more strange.
any ideas?
Maps always runs itself. I believe this can be remedied by turning off location settings.
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Which app is that by the way? And turn off location settings and latitude.
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I just disabled maps
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droidmakespwn said:
Maps always runs itself. I believe this can be remedied by turning off location settings.
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the even more curious part was that the app had run only for 34seconds!
not faced the problem today, hadn't changed any settings. guess it will remain a mystery until it happens again?
Someone was having a similar problem a few weeks back. Try going from maps to navigation and accepting the user agreements etc. Someone found that this solved the maps battery drain.
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karanrajpal14 said:
Which app is that by the way? And turn off location settings and latitude.
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https://play.google.com/store/apps/details?id=com.gsamlabs.bbm.pro
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Endoran said:
Someone was having a similar problem a few weeks back. Try going from maps to navigation and accepting the user agreements etc. Someone found that this solved the maps battery drain.
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+1
This was an issue on galaxy nexus when updating from 4.0 to 4.0.1 .all you had to do is to go to maps accept t&c and that's it.
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Bluetooth toggle doesn't work all the time?

The past few weeks I have been experiencing the bluetooth toggle both widget and settings not working unless I reset my phone. Any ideas why it's acting like this? I doubt it's a hardware issue. Any help would be great. Thanks!
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Any ideas?
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bluetooth on off
phoneman09 said:
The past few weeks I have been experiencing the bluetooth toggle both widget and settings not working unless I reset my phone. Any ideas why it's acting like this? I doubt it's a hardware issue. Any help would be great. Thanks!
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i have / had the same issue, but lately has not happened. I am on the franco kernel r29. give that a try and see if you still cannot enabled bluetooth.
I had the same problem today. It was stuck on "off" until I rebooted my device.
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I had this happen once. I am stock. Rebooted and it was fine.
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I reboot when it happens also, but then it happens a few days after. I'm not sure why it does that. Maybe a bug?
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I can't turn on my wifi and bluetooth neither. First I can turn them on after reboot, 2 days later, reboot doesn't work. Maybe it is a bug.
Okay well at least someone else is having the same issue as me, I hope it just a bug also.
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do you have an NFC tasker installed? I think that might cause the problem...no sure tho, I'm having trouble with bluetooth not turning on too.
My 2 nexus is having the bluetooth issue, it will work when reboot or restart, but after a couple of day, you cannot switch the bluetooth on until you restart it. One nexus is rooted stock with bunch of app, The other is bone stock with very few app install.
eneka said:
do you have an NFC tasker installed? I think that might cause the problem...no sure tho, I'm having trouble with bluetooth not turning on too.
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No I don't have NFC tasker.

[Q] nexus 7 battery time resetting

all of a sudden my nexus 7 battery time is resetting everytime i power on?
any ideas
Mine sometimes does it and sometimes not. I can't figure out why.
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Same with mine, and my screen on time is wrong.
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However I remember some 3rd party battery apps show correct info despite the info under settings.
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I think this is because android OS is designed to work as a mobile operating system (not turning it off unless there is no battery) so that's y after using ur tabler when u turn it off it resets the time or add a significant difference.
I don't turn off my tablet and most of users don't so that's y ur only having this problem.
Besides tangby time on nexus 7 is amazing 1%-2% drop in 12 hours.
xateeq said:
I think this is because android OS is designed to work as a mobile operating system (not turning it off unless there is no battery) so that's y after using ur tabler when u turn it off it resets the time or add a significant difference.
I don't turn off my tablet and most of users don't so that's y ur only having this problem.
Besides tangby time on nexus 7 is amazing 1%-2% drop in 12 hours.
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The only time that Android should be resetting battery stats is when you unplug the device after an approximately full charge
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Did anyone get to the bottom of this?
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Audioout_2 wakelocks

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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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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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)
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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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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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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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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)
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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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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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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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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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Bad wake locks?

I am having pretty significant wake locks on my device, I have had it on every ROM/ kernel combo I have tried recently. I have had wake locks on 4.2.2 and 4.3. I can't quite recall when the wake locks started, possibly after I upgraded to 4.3 for the first time but I am not sure. Some screenshots will be attached. I'm not sure if it helps or matters but i have TWRP 2.5. If anyone could give me some advice or a solution that would be greatly appreciated!
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Sent from my Nexus 10 using XDA Premium 4 mobile app
sorry for multiple replies
posting screenshots from my Nexus 10 was a little buggy sorry.

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