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Huge battery woes

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By doncoop, Senior Member on 13th January 2014, 12:58 PM
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You probably get these all the time so apologies.

I've done the google and the msm_hsic_host is referenced for when you connect the phone via usb.

But the problem I have is it's there all the time, regardless of using a computer USB cable or using a wall charger.

These appear far too often, reboots help but there seems to be something wrong and I cannot figure it out.

Any and all help / advice welcome becuase it's really fustrating.

Cheers
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13th January 2014, 06:11 PM |#2  
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What OS are you running? Could it be an app you installed? Have you tried flashing to stock to see what happens?
13th January 2014, 09:00 PM |#3  
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On stock 4.2.2

Will have to see on the app front.. Might do a purge and see if it helps.

Sent from my Nexus 4 using xda app-developers app
13th January 2014, 09:12 PM |#4  
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Good luck. Please report back with your findings.

I was on stock 4.4.2 and got pretty good battery life.
14th January 2014, 03:32 AM |#5  
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Lol OP, I think what you're using is 4.4.2 not 4.2.2. It's time to get it right now, don't you think? :P

Btw, are you using stock kernel or custom? Either way try flashing stock kernel back and format dalvik and cache. If you're using custom kernel, same..flash stock kernel back then flash your kernel.
14th January 2014, 07:50 AM |#6  
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Sigh you are right. 4.4.2 of course.

Everything is stock on my nexus4, haven't even rooted it.

Which is why this behaviour is so annoying, might understand if I'd have played around with roms etc.

I've deleted loads of apps, may remove some more today if it doesn't let out. Will then think about going for a wipe down.

Cheers for the suggestions.

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14th January 2014, 08:47 AM |#7  
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Maybe this will help you: http://forum.xda-developers.com/show....php?t=1999368

From what i've read, this wakelock is not about the USB cable per se. The 3g modem is connected to the phone as an external USB device, which is controlled by the msm_hsic_host.
In few words, every time your phone needs something from the 3g modem, msm_hsic_host is triggered.
Im on 4.4.2 stock rooted and every time I'm in a place with low signal this wake lock drains a good amount of my battery.
Maybe you should try different kernels to see if that helps.

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14th January 2014, 10:01 AM |#8  
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Cheers

Using other on better battery stats shows the phone is never in deep sleep.

Now just to find out why.

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14th January 2014, 02:08 PM |#9  
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You need to show us the info from Partial Wakelocks, not Kernel.


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14th January 2014, 03:57 PM |#10  
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Thanks yeah I know that would be more helpful so apologies that I haven't.

Wanted to if possible avoid rooting the phone but I think I'll do that this evening to see what's going on.

Sent from my Nexus 4 using xda app-developers app
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