-------Nexus 4 Battery Life (Horrible, Major drainage!)-------

If you want great battery life, like 4 days light use, get franco.Kernel have to be rooted. He even has a play store app that will do configuration for you.
This is NOT a battery saver app, it's a totally new kernel, the "software" the cpu runs on. It changes the way the phone operating system runs. All the "advanced" "tricked out" phone users change the kernel for lots more battery life.

The official place is for discussing it is.

[KERNEL][GPL][N4] franco.Kernel - r53 - xda-developers

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Definitely recommend Francis Kernel. I haven't used the phone much today but when my screens off I get 1% discharge an hour. Screen brightness on auto, 3G on, WiFi on, only thing I've turned off is Google Now.

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That reminds me, are there any special procedures you need to do with the Nexus 4 to prolong battery life? As in, do you have to do any of that "charge for like 10 hours and then drain completely" stuff?
Not with a moderm Li-ion battery. They don't suffer with memory loss like old cells.
 
Definitely recommend Francis Kernel. I haven't used the phone much today but when my screens off I get 1% discharge an hour. Screen brightness on auto, 3G on, WiFi on, only thing I've turned off is Google Now.

Sent from my Nexus 4 using Android Central Forums

I think that kernel is used for the AOKP build 2 ROM? I'm also getting great battery life out of the phone now too.

Before, it just used to die very quickly when web browsing and I would be lucky to get 2 hours screen time before it'd go flat, now I'm getting over 3 hours easily, nearing 4hrs.


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Hi just got my phone and it's great but a curse at the same time cuz I'm super paranoid when it comes to preserving the battery.

I was wondering why the models differ and if I use a charger that did NOT come with my phone (I used a charger that my friend got with their nexus 4 phone) will it damage it? I'm just worried cuz it took a while to reach 100% when I used my friend's charger. My model is mcs-01wd and my friend's is mcs-01wr. The specs are the same. The user guide says "only use the travel adapter that came with your phone or else a different one may damage it" can someone ease my worries? Lol. Thanks!
 
Hi just got my phone and it's great but a curse at the same time cuz I'm super paranoid when it comes to preserving the battery.

I was wondering why the models differ and if I use a charger that did NOT come with my phone (I used a charger that my friend got with their nexus 4 phone) will it damage it? I'm just worried cuz it took a while to reach 100% when I used my friend's charger. My model is mcs-01wd and my friend's is mcs-01wr. The specs are the same. The user guide says "only use the travel adapter that came with your phone or else a different one may damage it" can someone ease my worries? Lol. Thanks!

I'm using my BlackBerry charger so I don't think it matters, well my phones still working fine.


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dude, at the begining thats normal, you are excited with your new phone and cant get your hands off it, it hapenned to me too, the baterry only lasted for like 5 hrs of continoius usage(streaming,youtube,calls,chatting), but after a month, ive controlled the usage, and actually it has a very decent battery life. i have used it up to 8hrs playing music, and videos even need for speed sometimes, and its actually working pretty good.
 
What is this guy complaining about 3.5 hours screen on time for? That is completely normal. I only got 2.5 on my first day today day 2 I got a little over 3. If our only on WiFi then u get more if u root u can get a new kernel that would probably be the best way to get better life.

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I can't figure out why android os keeps using 20-28% of my battery, and how to reduce it.

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Might seem a dumb question but just how accurate is the battery meter in the Nexus 4 or in any other smart phone for that matter? We may look at it and it says the battery has gone down 10% but maybe it's only gone down 5 or maybe it's gone down 15. Does your phone shut down when the battery meter reports the battery at 0% or does the phone keep going a bit longer?

Frankly, these posts which rely on the readings of different mobile phone battery meters, that to my knowledge haven't been independently tested for accuracy, are verging on the hysterical.
 
You're reading that screen wrong....

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Comparing the "android OS" to my "android OS" mine is reading at 20-28% battery usage. I dont know how to reduce it down to 13% like that person's screen shot.
 
Ya I'm having the same problem wondering why my accelerometer is on the whole time my screen is on? Does it have to do with swiping or the touch screen maybe?

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Comparing the "android OS" to my "android OS" mine is reading at 20-28% battery usage. I dont know how to reduce it down to 13% like that person's screen shot.


What I meant was that screen ISN'T saying that Android OS used 28% of your battery. It's saying that of the battery usage to date, 28% has been used by the OS.
How to reduce that? Since it's a relative measure, if you use a bunch of apps a lot their percentage will go up. End result, though, will be less charge left in the battery
 
My battery life seems to be suffering also after a few days of use. Only get about 2hrs of screen on time all on hspa+. Google now disabled currents disabled location service disabled. BT,GPS off screen on about 30% brightness. The first few days I was getting around 3.5 hours screen time pretty much same settings except Google now enabled. Already factory data reset also. Not sure what's going on

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Simply put? Check your applications. I have my N4 set to arrive tomorrow, and I had ordered it so soon partially because I was fed up with the ty battery life on my GSIII on CM10.1. I had forgotten one important thing though, I had installed apps that I wasn't using that were using a ton of network under the guise of push.

I uninstalled the apps (Twitter Apps and more) and suddenly battery life is better.

My battery life seems to be suffering also after a few days of use. Only get about 2hrs of screen on time all on hspa+. Google now disabled currents disabled location service disabled. BT,GPS off screen on about 30% brightness. The first few days I was getting around 3.5 hours screen time pretty much same settings except Google now enabled. Already factory data reset also. Not sure what's going on

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Battery life has been concerning to me, as well.

Comparing with my Optimus G, I generally go home with about 10% less under the same usage conditions. Most alarming, though, is that I lose the first 10% extremely rapidly. I lose 2% within a minute of taking it off the charger (no usage) then lose another 8 over the next few hours with almost no usage. I'm losing roughly 4-5%/hour at idle, which doesn't seem right to me. I do not have any apps, widgets, or other programs contributing to this drain. I do, however, have Wifi, BT, and GPS on, but that's normal. This is a smartphone. If I have to turn everything off, it becomes a dumb phone.

This is one of the things that often drives me back to the iPhone. My iPhone 5 uses almost no battery in my pocket and for some reason, that makes me happy. I hate iOS, though, and I'm quite fond of the Nexus 4. If I could get this thing down to 1-2% drain/hour on idle, I'd be content.
 
I recommened disabling gps when you dont need it, google now, magazines etc. and install the franoc kernel
 
I recommened disabling gps when you dont need it, google now, magazines etc. and install the franoc kernel

Disabling Google Now takes away one of the coolest features of a Nexus (or any Jellybean) phone. And turning off GPS is a placebo unless you have apps that are accessing it constantly. I have tested it and there is very little battery gain to turning it off vs leaving it on all the time.