Database Users

Battery issues with 4.2.1?

Hello-
Ever since I updated to 4.2 and especially 4.2.1, battery life has not been the same. Today I went from 100% last night to 73% in 22 hours just in standby. I didn't change any settings that I can remember. Can anyone please help with this?
Thanks,
wws12
Sent from my Nexus 7 using xda app-developers app

I had the same battery issues on 4.2 in standby...even with wifi disabled. I ended up flashing back to 4.1.2 and battery is back to normal. To me 4.1.2 is more stable and much smoother. Hopefully Google will fix these issues in the next update.
Sent from my Nexus 7 using xda premium

I noticed that a large portion of the battery is being used by something called "Media server" Any idea what that is or how to turn it off?
Sent from my Nexus 7 using xda app-developers app

I'm also noticing the same sleep mode battery drain on 4.2.1,around 1% per hour..
I need to root my tablet to downgrade?
Sent from my Nexus 7 using Tapatalk 2

Use media scanner root from the play site and disable the media scanner. Then this battery drain should reduce.
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ashwinrajsr said:
Use media scanner root from the play site and disable the media scanner. Then this battery drain should reduce.
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Click to expand...
Click to collapse
Do I need to be rooted for this?
Sent from my Nexus 7 using xda app-developers app

wws12 said:
Do I need to be rooted for this?
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Yes. Root access is a must.
Sent from my GT-I9100 using xda premium

I think in my case most of the battery issues was from the device being new and the software stats still needed more time to be accurate, that has happened to me on my Sony tablet also..
Now I can see some real stats as I use better battery stats app for keeping track of the battery.
I use my tablet as a use when needed device because it's not my notifications device that is always connected, for that I use my smartphone. That said I turn on airplane mode when I'm not using it and sync when needed as well.
Só when my Nexus 7 is in sleep mode it has very few apps and services running other than the system ones.
So the stats I came up with are:
1% in sleep mode with airplane mode on and Google Now and Location History turned on..
And..
0.3% in sleep mode with airplane mode and Google Now plus Location History off..
So for me no Google Now as I don't need that much.. It lasts 3x more in standby without it... And the truth is, in my country Google now for me isn't that useful as it is although I'm sure someday will be..
Sent from my Nexus 7 using Tapatalk 2

It's strange...with stock 4.2.1 no root I haven't any battery drain... 0.7% /hour with wifi on and sync enabled...In the battery stats, even if in a hour i turn on the display on a minute, the display takes at least 40% of battery...

Battery horrible

Hey guys I am running the latest Paranoid Android with Francos latest kernel and my battery life is horrid.
If I get one hour of screen on time I am lucky. I am using custom color collaboration with the kernel and I am curious if this is playing a role.
Any advice would be greatly appreciated, thanks.
Sent from my Nexus 4 using xda app-developers app

Colors on the Nexus 4 doesn't affect battery life.
Most likely it's your apps that are draining your battery life. Turn off services like Bluetooth and GPS and WiFi.
Install wake lock detector to see what apps are eating your battery juice. Low signal or bad service can affect battery life as well.
Sent from my Nexus 4 using Tapatalk 2

How's your reception? Bad signal is a huge factor
Sent from my Nexus 4 using xda app-developers app

Try using Greenify. Might help a bit.

why dont you use an older kernel and see, r111 was the best kernel i got with battery life.

I had nothing but problems with Franco kernel. My phone wouldn't charge unless it was on AC for one.
Sent from my Nexus 4 using xda app-developers app

Getting 3.5 to 4.5 hrs of sot on Franco and illusion, a lil more sot time if I'm on WiFi.
Apps sometimes play a big role in battery depletion as well as a horrible signal.
Sent from my Nexus 4 using xda app-developers app

try using joker kernel if anything other than franco

I'm getting really sucky battery life on the MIUI 5 rom latest as of 2/7/13. Anyone else getting bad battery life on this? I've had a look at betterbatterystats and it's not really listing anything as keeping the phone awake. Went from 95% to 75% in 4 hours (I know that doesn't sound so bad but I wasn't doing anything with the phone, just had a couple of messengers on it - Trillian and Steam)

You need to figure out what is keeping your phone awake. On Franco kernel I have very little drain when just using messenger etc. I would think you have a rogue app or something causing issues.
Sent from my Nexus 4 using Tapatalk 2

[Q] Nexus 4 Battery Drain

Recently i noticed that my phone's battery begin drained at night during sleep like about 20% without any use.
i did turn off location services, Wi-Fi, GPS. I don't know what could be the problem for the battery to be drained.
Is there a way to check it?

Use BetterBatteryStats to find the issue. Do you use s2w or touch control? They drain some battery too

Hellsigh said:
Recently i noticed that my phone's battery begin drained at night during sleep like about 20% without any use.
i did turn off location services, Wi-Fi, GPS. I don't know what could be the problem for the battery to be drained.
Is there a way to check it?
Click to expand...
Click to collapse
Try this:
http://forum.xda-developers.com/showthread.php?t=2385843
Hope it helps.
:silly:

I checked battery in Settings and it shows 41% Phone idle and 26% Cell standby.
So i don't think Google Services is the problem here...
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maybe this:
http://forum.xda-developers.com/showthread.php?p=44537106#post44537106

^ I'm still on 4.2.2.
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I used to have a problem like this, install better battery stats and it will show exactly what is draining you battery, for me it was nfc being left on.
Sent from my Nexus 4 using xda premium

idd, use BetterBatteryStats (see XDA for free version).
Post results here..

Battery performance after 4.3 fix update

After 4.3 fix update battery life & performance has drastically reduced. I am getting around 15hr on normal usage & 8-9hr on heavy usage.
Charging time has gone up from 1.45 to 2.30.
Doea everyone using stock rom facing the same or just me?
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Amruthhr said:
After 4.3 fix update battery life & performance has drastically reduced. I am getting around 15hr on normal usage & 8-9hr on heavy usage.
Charging time has gone up from 1.45 to 2.30.
Doea everyone using stock rom facing the same or just me?
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
I faced the same , but after i rooted and flashed franco's kernel, im getting around 22hr on normal usage ,10-11 hr on heavy usage not to mention almost 2 days when phone is idle.

Keep in mind that after an update or a ROM flash or what ever changes are made.. Battery life can suffer for a good week or so. This GS like media scanner and other services will be running more in the background.
Sent from my Nexus 4 using xda app-developers app

Okay guys, today just formatted my phone. Its just as good as before. No deep sleep issue, battery life is back to normal. I shall post it after 3-4 discharge cycle.
Thanks!
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Battery ?

I am on 4.4 with ak kernel. Default settings. 3g and Google now are on always. I m getting about 10 hours of battery with roughly two hours of screen on time. Is it good enough or can be better ?
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roddem said:
I am on 4.4 with ak kernel. Default settings. 3g and Google now are on always. I m getting about 10 hours of battery with roughly two hours of screen on time. Is it good enough or can be better ?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
It can be better. Download Trickster Mod and Unvervolt and reduce CPU frecuency. There are a lot of good threads with the optimal settings for that app.

Hmm. Can you point me to one please ?
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luiseteyo said:
It can be better. Download Trickster Mod and Unvervolt and reduce CPU frecuency. There are a lot of good threads with the optimal settings for that app.
Click to expand...
Click to collapse
Can you point me to one please ?
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roddem said:
I am on 4.4 with ak kernel. Default settings. 3g and Google now are on always. I m getting about 10 hours of battery with roughly two hours of screen on time. Is it good enough or can be better ?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
same issue!
http://forum.xda-developers.com/showthread.php?p=47933542#post47933542

No i am not in the PC but just Google trickster mod battery settings nexus 4.
Maybe u have some apps running in the background. Use greenify to freeze them and stop CPU wakelock
Enviado desde mi Nexus 4 mediante Tapatalk

roddem said:
I am on 4.4 with ak kernel. Default settings. 3g and Google now are on always. I m getting about 10 hours of battery with roughly two hours of screen on time. Is it good enough or can be better ?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
There are a lot of factors that can affect the longevity of the phone's daily battery life. Apps that are constantly running in the background will drain your juice. Lowering down the brightness will lower the power consumption greatly. Disabling location services should help. If you're in an area with bad service, your phone will use more power to stay connected to the nearest tower. Tweak you kernel settings or try a different kernel can help.

for a fairly default installation with i would say 10 hours with 2 hours of screen time is normal.
But there are some good advices in this thread to optimize it a little more