Develop Bugs

Terrible Battery With ICS

Is anyone else having terrible battery life with ICS? I'm using Calkulin's ROM with FD26, and my phone is already at 50% after 5 hours of being on. No phone calls, screen was barely on, and no browsing. It would usually be at 85-90% on the UnNamed gingerbread ROM. The battery stats say android OS is using the majority of it, and it's making the phone hot as well. Anyone else have this issue? Is it time to go back to gingerbread?

I am havig the exact same issue, fast drain and Android OS being at the top of the list. I haven't got a reply as of yet in other posts so IDK....

If your phone is getting hot then there's probably an app eating up cpu cycles and keeping the phone from deep sleep.
Use an app like system panel to see what app is misbehaving.

Try a few things.. I fell aslee with..umm... A.very family friendly website on and it stayed on all night. I ended up gaining battery somehow... Not really gaining but it was around 45 when i slept. But my settings are so tweaked...
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shaklee3 said:
Is anyone else having terrible battery life with ICS? I'm using Calkulin's ROM with FD26, and my phone is already at 50% after 5 hours of being on. No phone calls, screen was barely on, and no browsing. It would usually be at 85-90% on the UnNamed gingerbread ROM. The battery stats say android OS is using the majority of it, and it's making the phone hot as well. Anyone else have this issue? Is it time to go back to gingerbread?
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Click to collapse
If you are using Calk's FD26, then it's trying to use 'conservative' cpu governor but it's not supported on Stock ICS. Backup his CPU tweak init.d script and try modified version in here http://forum.xda-developers.com/showthread.php?t=1625299
Hopefully, I expect coming FE07 has more CPU governors that will give us more power saving options.

Well why dont you try my RubiX Xcel Rom. Users are reporting awesome battery life of 14hrs Plus under Moderate to heavy use. Just a thought

ReActiveDisorder said:
Well why dont you try my RubiX Xcel Rom. Users are reporting awesome battery life of 14hrs Plus under Moderate to heavy use. Just a thought
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Click to collapse
Thanks, I'll give that a try. Do you know how it compares to the AOKP ROM?

How does this look? Caulk v1.5.
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Yes its horrible!
Edit..sorry I couldn't resist
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No one can beat you JC!
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kobridge said:
No one can beat you JC!
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I think Sammys just agree with me...my NS4G yesterday

JohnCorleone said:
Yes its horrible!
Edit..sorry I couldn't resist
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Click to collapse
BS!!! pm me your ways of eternal battery life!
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radrian92 said:
BS!!! pm me your ways of eternal battery life!
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I don't do anything special really. If you are starting from a stock ROM, delete Sprint bloat (I do keep Sprint TV and VVM) and delete Social Hub and the 4 apks tied to it. Replace those with inverted Facebook and Twitter if you use them. Actually use as many inverted apps as possible. Turn off auto brightness and control it by swiping across status bar. The more time on wifi the better obviously. Kobridge and I have discovered that leaving wifi on even when not connected actually helps. Ummm....not many widgets helps. I always have a minimal homescreen. Also dark wallpapers with only a little color is good too. Black ones are best. That's a good start. Let me think if I do anything else but for the most part that's all I do. Watch out for rogue apps running in the background. Oh yeah...delete Maps and only install when you need it. One app running in the background can ruin your whole setup. Monitor that with Better Battery Stats
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I still get like 24 hours each charge with AOKP

JohnCorleone said:
I don't do anything special really. If you are starting from a stock ROM, delete Sprint bloat (I do keep Sprint TV and VVM) and delete Social Hub and the 4 apks tied to it. Replace those with inverted Facebook and Twitter if you use them. Actually use as many inverted apps as possible. Turn off auto brightness and control it by swiping across status bar. The more time on wifi the better obviously. Kobridge and I have discovered that leaving wifi on even when not connected actually helps. Ummm....not many widgets helps. I always have a minimal homescreen. Also dark wallpapers with only a little color is good too. Black ones are best. That's a good start. Let me think if I do anything else but for the most part that's all I do. Watch out for rogue apps running in the background. Oh yeah...delete Maps and only install when you need it. One app running in the background can ruin your whole setup. Monitor that with Better Battery Stats
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Why delete maps? Does it always run in the background?

FD10 to FD26 stock I was getting up to 31 hours of standby. Definitely only brought the phones down to 50% in 5 hours through moderate use.

This what I got from blue kuban fd24 by rujelus
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JC what ROM are you on?
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skyward01 said:
JC what ROM are you on?
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Venum Ice FD19 is my main daily. I just added WP7 Notifications to squash the one minor issue.
And yes I delete the baked in Maps because it has been known to start on its own after boot. Check with BBS and it should let you know
Actually I was involved with Ice. It is basically my exact setup out of the box.
Edit...I forgot about deleting clock and weather widgets apks if you don't use them. I use Weatherbug Elite
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[q] big battery problem please help!!!!

No matter which ROM i choose wether its 2.3 based or 4.0 based, Calks or Phantom. Even CM9, Team Dirt. I always get crap battery life. ANDROID OS and ANDROID SYSTEM hog the battery!!! Why is this. The only thing that has not changed will i have been flashing all these roms is the Modem. I am currrently running FF18 Modem. Could this be the culprit? Please help guys!

The android os usage in ICS is normal. What do you consider bad battery life?
So many things affect battery life. Low signal will wipe out a battery in no time, synching multiple accounts (email, facebook is notoriously bad...) and software you may have installed. How is the battery drain when the phone is sleeping? Since there really isn't much we can do about battery while you're actually using the phone, the next step is to improve on sleep efficiency and this will help the battery life overall.
Try installing BetterBatteryStats. There is a thread here on XDA you can search for and download and install this app. The best way to use it is to let the phone sleep on battery without using it for a minimum of 2-3 hours, overnight is best. Then view the kernel and partial wakelocks to see if something isn't allowing the phone to sleep properly.

battery battery life?
Couldn't you also use multiple profiles in an OC app to undervolt and underclock the phone when it sleeps? (screen off profile set to 800MHz and screen on 1200MHz) Just a suggestion, hope this helps.
I have to charge my phone twice a day because I am on it all the time. My ave battery life 11hr 47min. Running Badass Battery Monitor.

Turn off auto sync for your Google account on your phone and manually sync it from time to time. Before I did this android was at the top of the list in the battery. Now screen time dominates everything else in usage.

Iandv said:
Turn off auto sync for your Google account on your phone and manually sync it from time to time. Before I did this android was at the top of the list in the battery. Now screen time dominates everything else in usage.
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Click to collapse
Yes I did this too, it helps a lot

Yes, synching too often is a killer.
Don't forget about the phone radio too: wifi/bluetooth/gps/data/4G all can have a negative impact if left running.
Someone recently posted that at his workplace, he had zero signal and he could barely make it through the day. He discovered turning data off entirely in that scenario saved battery in a huge way.

kram4362 said:
No matter which ROM i choose wether its 2.3 based or 4.0 based, Calks or Phantom. Even CM9, Team Dirt. I always get crap battery life. ANDROID OS and ANDROID SYSTEM hog the battery!!! Why is this. The only thing that has not changed will i have been flashing all these roms is the Modem. I am currrently running FF18 Modem. Could this be the culprit? Please help guys!
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Which phone are you using as a matter of fact?
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E4GT
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Bad battery to me is loosing 60% over night. That's running CM9, android is and system were the dominant battery hogs when that happened. Please help. I've downloaded betterbatterystats.apk but I don't know how to use it. Please help.
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If turned off LED notification and that seems to have helped.
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Double cores, 4g, crap out the battery in a hurry.
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Nick300 said:
Double cores, 4g, crap out the battery in a hurry.
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deleted

I guess you should try downloading any battery calibration app from the market and also try battery control.... I hope it would help you..... Or the usual juice defender :thumbup:
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I recommend underclock your cpu to 1 ghz

I've been under clocked @ 1.0
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I don't use 4g
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Try battery calibrator from market
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[Q] battery life is horrible!

.. ever since I updated to JB 4.2.2 (I even did _FULL_ wipe/reset) it seems like my batter goes so quickly its not even funny(( I get roughly about ~4h on battery / ~1h of screen time, I'm using STOCK ROM w/ STOCK launcher w/ latest leankernel (BestBalance profile).
i installed BBS and I'm unable to see anything that's doing something that it shouldn't, at this point I dont know what else to do(
please help!

a1exus said:
.. ever since I updated to JB 4.2.2 (I even did _FULL_ wipe/reset) it seems like my batter goes so quickly its not even funny(( I get roughly about ~4h on battery / ~1h of screen time, I'm using STOCK ROM w/ STOCK launcher w/ latest leankernel (BestBalance profile).
i installed BBS and I'm unable to see anything that's doing something that it shouldn't, at this point I dont know what else to do(
please help!
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Click to collapse
try installing wakelock detector i would recommend possibly changing kernel i would ecomend franco's kernel for battery saving or AK SKL243 that sounds like a bad app somewhere

Like kevtrysmoddin stated, try flashing a new kernel but I wouldn't limit it to franco's as a kernels performance varies phone to phone. You mentioned you were running a stock ROM, but which one?

kevtrysmoddin said:
try installing wakelock detector i would recommend possibly changing kernel i would ecomend franco's kernel for battery saving or AK SKL243 that sounds like a bad app somewhere
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U can do a clean flash of Purity 5.4.1 with SKL 245 or Fancy r24/r21
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I'm using latest lean kernel (6.5/3.0.76), BBS can see all wakelocks, I'll post few dumps later on.
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I'm not looking for super advanced features. I'm using stock Rom and stock launcher without any mods other then lean kernel.
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May also want to take a look at the governor that you are using with your kernel. For me, ondemand gives best performance (battery wise) with lean kernel.

I checked it's interactive/deadline.
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I'm on AOSPA 3.16 with franco.Kernal 376 and with average use (gaming, social, a lot of music, etc.) I get roughly 10 hours with stock battery and roughly 14 hours with 1900 mAh battery.

Switch to PA, flash AK kernel, download CPU Master, and set profiles.
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a1exus said:
.. ever since I updated to JB 4.2.2 (I even did _FULL_ wipe/reset) it seems like my batter goes so quickly its not even funny(( I get roughly about ~4h on battery / ~1h of screen time, I'm using STOCK ROM w/ STOCK launcher w/ latest leankernel (BestBalance profile).
i installed BBS and I'm unable to see anything that's doing something that it shouldn't, at this point I dont know what else to do(
please help!
Click to expand...
Click to collapse
Don't listen to anyone telling you to install a custom ROM. Fully charge your phone boot into SAFE MODE and see how long your battery lasts. If it lasts way more, it is a third party app that is draining your battery.
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I'm _NOT_ switching away from stock ROM nor launcher, a lot of people out there using this phone all STOCK!
so is there any solution for stock users to do something about it? I actually did rooted my phone and installed leanKernel but that's as far as I'll go w/out changing ROM/launcher.

48hrs later.......

And I am pretty disappointed in the battery life of this thing. I used a htc one for a few months and I actually think it did better than this beast. I got to say though, the display on this thing kills everything I have ever used as far as the enjoyment from the massive size. But when I was looking into this thing I kept hearing 2 days easy with this guy. I am at 23% at 250pm when I took it off at 630am. Is there something I have set wrong or is this typical. My htc would be at 25-30% when I went to bed at night usually. I do have automatic brightness checked just an fyi because that is the first thing people will prob ask.
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I am rooted fully stock. Here is a screen shot of the battery info
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sand1303 said:
I am rooted fully stock. Here is a screen shot of the battery info
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I can't comment on the original battery because I ordered a 7960mah battery off ebay the same day I bought my Note 2. I take off at 6:30 am also but my battery is at 73% and it's 3:28 pm. I knew I was going to abuse my battery so I replaced it before it even had a chance to let me down lol. Also, I'm running Paranoid Android 3.96 (Android 4.3) which is one of the custom roms that gets good battery life.
Wish I could be of more assistance?? Well here you go.
1) Disable daydream in your display settings
2) Flash a custom kernel for stock roms...I would suggest Saber or Perseus
3) Download STweaks after installing a custom kernel and perhaps underclock your processor to 1.2 Ghz, you shouldn't see a big difference in performance but should get a HUGE savings on battery life.
3.5) You can also allow your device to go into a deep sleep at 200Mhz while you're not using it. It's kind of like having your phone completely off but will instantly wake when you get an email, txt, etc. And afterwards after a user set time, it will sleep again until either you wake it or get another message.
4) Last but not least, if you really want to tweak your stock rom into tip top shape and aren't comfortable flashing alot of mods...download Pimp My Rom from the Play Store and let this app do the work for you.
Hopefully some of this will help you out.
**If you one day get familiar with flashing custom roms, this will be a huge savings on battery. I would recommend 4.2 roms or 4.3 roms because they aren't bloated with alot of the Sprint/Samsung junk that is running in the background, ultimately killing your battery without you ever knowing it.**

Ok found allshare cast and toggled that off. Didnt see a daydream anywhere in the display settings
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sand1303 said:
Ok found allshare cast and toggled that off. Didnt see a daydream anywhere in the display settings
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Click to collapse
This is correct. Lol. Daydream is a 4.2.2 feature, you wouldn't see that in 4.1.2, my bad.

Make sure there is nothing trying to sync if you dont have a good signal. Go to settings 》data and restrict background data. Keep facebook and other things from syncing when you really don't need them to sync.
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These are my battery status using stock rooted mc2 deox rom with saber kernel [email protected]
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Rooted stock with a couple mods saber kernel clocked at 1800
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Still not as good as some of the others but much better after turning off allshare. I flashed the crap out of roms with all my other rooted devices but never much fooled with kernals. Is it really beneficial for battery life to flash a different kernal?
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I can't really say if the kernel affects the battery life that much, unless your underclocking which am overoclocked and still get great battery life but as of the smoothness saber kernel is great for me. I cant remember the last time I restarted my phone because of slowing down or just somthing wierd everything is smooth and fast all the time. Plus voodoo sound is very nice. Alot of users recomend the perseus kernel also but I personally had some random issues with it so saber is my daily driver kernel
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Bs if you use your phone heavy then battery will drain. If you use it with sync and all that other bs on it will drain I get about 22 hours out of my phone a day. I'm light to heavy use to
iTz Amazed On Note2
---------- Post added at 10:59 PM ---------- Previous post was at 10:58 PM ----------
It all depends how you use the phone
iTz Amazed On Note2

I am 100% Stock/Deodexed and Rooted. I can get ~ 3 days with little to no usage as side from phone calls. On moderate to heavy usage " 5-6 hours screen time with Netflix or N64oid/SNESX" I can swing around 20 hours with 5-10% battery left.
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---------- Post added at 01:37 AM ---------- Previous post was at 01:35 AM ----------
Oh... I also don't have anything syncing asside from exchange server every 10 mins and Facebook push notifications. Auto brightness and no location services turned on. I am also on LTE in our building via an LTE BDA
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sand1303 said:
Still not as good as some of the others but much better after turning off allshare. I flashed the crap out of roms with all my other rooted devices but never much fooled with kernals. Is it really beneficial for battery life to flash a different kernal?
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You fail to show your screen on time. You probably have like 3hrs worth and at 55% for all we know. Which is what I actually get from this bad boy before I hit the 50% mark. On a good day I can get 6.5hrs of screen on time and I have lots of stuff syncing in the background.. 3 email accounts, Google services, Weather, Facebook, Samsung account, Skype, Tango, Twitter, ubersync, Voxer, what's app, YouMail and fring.
By the way did you get a brand new note or did you buy a used one? Battery could be faulty or another thing could be you are in a bad coverage area which drains batt.
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4.3 ota sucks on sprint s3

So the stock ota 4.3 is awesome for performance and smoothness , but for battery it is absolutely horrible, even with a rooted phone and a 7000 extended battery im only getting about a day and 12 hours with about 8ish hours of screen time, then when i was on 4.1.2 i was getting 2 days 12 hours with 15+ish hours of screen time
Im using the same apps as before , greenify , deep sleep battery , mediaserver killer, and wake lock and everything looks normal like 4.1.2 but draining way way faster
Side note i also turned off all my notifications , turned off vibration, turned all gps, locations, off, brightness all the way down, sync is off that dont seem to help
Anyone else notice this or is just me? Anything i could be missing that i should check
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I'm getting the same battery life as I was on 4.1.2 I do not use greenify or any other monitoring apps of any kind as they are monitoring all the time which does take resources aka BATTERY to monitor I'm also on stock kernel and I tried the decimalman kernel and for me that provided a faster performance with conservative governor bit way worse battery life. Maybe your battery is going bad...
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jbadboy2007 said:
I'm getting the same battery life as I was on 4.1.2 I do not use greenify or any other monitoring apps of any kind as they are monitoring all the time which does take resources aka BATTERY to monitor I'm also on stock kernel and I tried the decimalman kernel and for me that provided a faster performance with conservative governor bit way worse battery life. Maybe your battery is going bad...
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exactly, I charge mine like once every 24-30 hours and it's rooted on the stock 4.3 ota...remove all those monitoring apps, they're quite pointless.
I use the following rooted apps: adaway 2.8, titanium pro/donate version, clean master, system cleaner, root browser, cache cleaner ng
I ripped out all the Google stock apps like books, games, news, etc. I freeze Facebook cause that eats a lot of battery and only defrost for certain times...I use the browser for my email, Facebook, Amazon, even here like now lol
maybe you'll wanna try the kitkat 4.4.2 nightly rom? more battery friendly too, I have all files up to date and instructions to install it in my rooting 4.3 stock guide if you wanna check it out...totally safe to use

goku2778 said:
exactly, I charge mine like once every 24-30 hours and it's rooted on the stock 4.3 ota...remove all those monitoring apps, they're quite pointless.
I use the following rooted apps: adaway 2.8, titanium pro/donate version, clean master, system cleaner, root browser, cache cleaner ng
I ripped out all the Google stock apps like books, games, news, etc. I freeze Facebook cause that eats a lot of battery and only defrost for certain times...I use the browser for my email, Facebook, Amazon, even here like now lol
maybe you'll wanna try the kitkat 4.4.2 nightly rom? more battery friendly too, I have all files up to date and instructions to install it in my rooting 4.3 stock guide if you wanna check it out...totally safe to use
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Click to collapse
Have a link?
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sorry about that, here you go
http://forum.xda-developers.com/showthread.php?t=2596697

jbadboy2007 said:
I'm getting the same battery life as I was on 4.1.2 I do not use greenify or any other monitoring apps of any kind as they are monitoring all the time which does take resources aka BATTERY to monitor I'm also on stock kernel and I tried the decimalman kernel and for me that provided a faster performance with conservative governor bit way worse battery life. Maybe your battery is going bad...
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Click to collapse
Im gonna have my gf try my battery, i had her not do the 4.3 update .... Find out soon if its my battery lol
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