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Author Topic: Battery Issues  (Read 5187 times)

thehappychappie

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Battery Issues
« on: May 16, 2013, 01:01:51 AM »
I am experiencing some strange battery drain issues that I cannot find a explanation for.

I am running stock Android 4.2.2 and my phone seems to be draining power when not in use (and in airplane mode) overnight.

Before I go to bed I make sure my nexus 4 is fully charged. I switch airplane mode on and turn auto sync off.

8 hours or so later about 14% of my battery has gone. The diagnostic apps I have suggest its the Android System itself eating the power.

A CPU monitor app says that the phone never went to deep sleep and just dropped to 384mhz.

Does anyone have any idea what's causing this?

Thanks.

Sent from my Nexus 4 using Tapatalk 2




FxSarge

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Re: Battery Issues
« Reply #1 on: May 16, 2013, 05:21:48 AM »
An app could be preventing the phone from sleeping. Depending on many apps you could try checking the permissions on all your apps to see which ones have the permission to do this, you will probably have a couple and you could try removing them one by one.

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JayJ

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Re: Battery Issues
« Reply #2 on: May 16, 2013, 07:16:11 PM »
Have you rebooted lately because that usually stops the Android OS causing this...

As Sarge has said, it could be a rogue application so try booting into safe mode and then airplane mode to see if it happens then...

Hold the Power button for the power menu, long press on Power off and when the dialog appears confirm with OK.

Failing that maybe a reset is in order...

Sent from my Paranoid Nexus 4 using Tapatalk 4 Beta
« Last Edit: May 16, 2013, 07:18:01 PM by JayJ »

thehappychappie

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Re: Battery Issues
« Reply #3 on: May 17, 2013, 12:40:53 AM »
Thanks for your suggestions.

I've removed a few apps that could be causing issues (Facebook!) and I've been going through all the other apps looking for sync settings that may be waking the phone up.

There's a process called "1013" that was reported by my battery monitor that was running when the screen was off. Any ideas?

Of course it could be my virus scanner (webroot) that's doing something as it is running all the time.  I've tried various ones in the past and always been slightly suspicious of their efficiency!

I'm hoping I can solve the issue without a reset as its always a pain putting things back!



Sent from my Nexus 4 using Tapatalk 2


JayJ

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Re: Battery Issues
« Reply #4 on: May 17, 2013, 09:42:50 AM »
Why are you using  antivirus on Android? It's not necessary and a waste of storage...
Malware on Android isn't like your PC, Malware usually is application based and you can be your own defense against Malware.
Firstly, don't sideload applications unless you trust the source. Only install from Google Play or if you really want, Amazon App store.
Read reviews, check permissions and don't be a Guinea Pig unless like I said you really trust the source. The only apps I currently have on my N4 that didn't come from Google Play are Adobe flash but I got that from Adobe archives and Tapatalk 4 Beta which I downloaded and installed from the Tapatalk forums. I know these are trusted sources and even when I install from Google Play, I read the reviews and check the permissions.

Sent from my Paranoid Nexus 4 using Tapatalk 4 Beta

thehappychappie

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Re: Battery Issues
« Reply #5 on: May 17, 2013, 10:23:44 AM »
I know you're kind of right! I don't install apps from anywhere other than Google play or Amazon app store.

I think its the lost device protection I like although I know there are lots of options out there. 

Malware doesn't really bother me as I am careful what I install and I removed webroot from my tablet as I was convinced it was slowing it down.

Might try removing it and see what happens - I'm determined to squeeze as many hours as I can out of a full charge!!

Out of curiosity, do you know if mobile network burns more battery than wifi? Recently moved to unlimited plan on three uk and noticed battery draining faster when on 3g.

Thanks for your suggestions ....




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JayJ

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Re: Battery Issues
« Reply #6 on: May 19, 2013, 12:14:35 AM »
Yes Mobile data does use more battery than Wi-Fi, so try to use Wi-Fi as much as possible.
If your on the fringe of a 3G network and your device is fighting for a 3G signal, that will be one of the biggest battery killers so if that is the case switch to 2G to save battery.

If you want a reliable Anti-theft application then I would highly recommend Cerberus Anti-theft...

https://play.google.com/store/apps/details?id=com.lsdroid.cerberus

A small cost for piece of mind IMHO.

Sent from my Paranoid Nexus 4 using Tapatalk 4 Beta

 


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