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[onecosmics' ics rc2.1] super duper mega extremly bad battery life .

First of all , I really like the work onecosmic has been doing , keep up the good work !
I am currently using the RC2.1 build combined with fugo kernel . so far epic . I'd really want to use this rom on daily basis but the problem is that i get horrible battery life. at first I reflashed everything (including all wipe needed in the order specified) but that didn't help . I am currently on my 4th or 5h cycle of calibration but it gets worse every time .
here is a screen shot from the 2nd cycle (started fully charged ):
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i lost 75% in 5hrs of normal+- use . :\
here is one from now (started fully charged )
40% in one hour . i played a couple of games for 20 minutes and thats it . it dropped me to 79% and than i stopped using my phone . the battery dropped alone to about 60% short time after that .
What can i do to improved it ? I tried to avoid widgets , reflashing and wiping , other kernels that seem to mess up my rom and get the home button not to work (nushors) ...
I thank you all in advance for your , I hope you could help me solve my problem

michel9501 said:
First of all , I really like the work onecosmic has been doing , keep up the good work !
I am currently using the RC2.1 build combined with fugo kernel . so far epic . I'd really want to use this rom on daily basis but the problem is that i get horrible battery life. at first I reflashed everything (including all wipe needed in the order specified) but that didn't help . I am currently on my 4th or 5h cycle of calibration but it gets worse every time .
here is a screen shot from the 2nd cycle (started fully charged ):
i lost 75% in 5hrs of normal+- use . :\
here is one from now (started fully charged )
40% in one hour . i played a couple of games for 20 minutes and thats it . it dropped me to 79% and than i stopped using my phone . the battery dropped alone to about 60% short time after that .
What can i do to improved it ? I tried to avoid widgets , reflashing and wiping , other kernels that seem to mess up my rom and get the home button not to work (nushors) ...
I thank you all in advance for your , I hope you could help me solve my problem
Click to expand...
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Check in battery settings what is using your battery so much.. if anything other than Android OS (could be till 30-40%) is consuming your battery.. take action regarding that..
if this doesn't work, then clear your battery stats through recovery and calibrate for another 3-4 full charge/discharge cycles.. should solve your problem

Tried everything . battery still sucks

I think it's the HSPA/WCDMA network type. I use GSM only and I get 1day +.

You forgot to post most importat thing, how long display was on. From screens I can see it was on alot.
If it had 3-4 hours, it's probably okay since you had data enabled aswell.

try buid 13 teamhacksung.
I'm on it! And it's better than CM7.
Sent from my GT-I9000 using XDA Premium App

What means better than CM7? Can you give an example: e.g. 2 days with normal usage.

I don't have good battery life too. We just need to wait for devs to improve it...

music player not working
video player not showing all videos
can't add or remove homescreens
m on glitch kernell

Okay, means we still have to wait.
Sent from my GT-I9000 using XDA App

Ok, did you intall the rom with the battery full charged? This may be the problem

@chriss23: how is your battery expierence with build 13?

i am on the second battery cycle with onecosmics mod. normal use of the phone and 63% left after 32hours. its ok but when i use some apps the battery drains one percent on only a few minutes. iam unsure if this is normal. usage of android os in battery stats says 26%.. in gingerbread, this was too much but would you say its normal on ics?
thank

Hello all. I had also battery issues with the new roms of ICS. I exclude usage of data which one way or another makes things worse. I believe that issues will be fixed soon since the difference between the first versions of roms and the newest ones is significant. Freezing also some unneeded background processes always help (i use titanium for this). Playing among different kernels and undervoltaging can also help.

[Q] Battery Analysis

Hello, can someone give me a hand with the analysis of my battery consumption?
I used to get 3-4-5 hours of Sceen On time. Now I can barely get 2 hours!
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With this last image I have no idea why it shows this. I've never been without internet, and I always have 3G coverage except in a few instances when I'm on the train going through a small tunnel or something (it drops to GPRS for about 30 or 40 seconds).
Thanks guys... I'm so confused...

cool picks, got cpuspy pics of same timeframe?
I like to cross reference and check if numbers add up.
Did you switch roms/ kernel lately, or update?
Battery getting full charge? mv?
Now the partial wakelocks are interesting. Try switching off fast dormancy by dialling *#9900# and selecting option that should/could take care of svnet.
Audioout probably by turning off options in settings then sound then all bottom choices.
the rest I am not sure, google partial wakelock and the service name.
Other then that, if nothing has changed except battery lifetime. Try safe kernel, then completely go to zero situation where you were getting the better battery life, then eliminate other apps perhaps.
Sent from my GT-N7000 using Tapatalk 2

Sorry I should have mentioned that I'm on full stock 2.3.6. I don't really like the ics builds. No other apps to measure.
The kernel is always the highest usage on my phone. What can cause that?
I'll still CPU spy and run it tomorrow and republish here. Thanks for your reply.
Sent from my GT-N7000 using Tapatalk 2

Hello zkyevolved, which version of BetterBatteryStats are you using?
I ask this because on my device, under Other and Since unplugged options, there is no Deep Sleep entry directly below Wifi Running. The entry shown directly below Wifi Running is Awake.

YLNdroid said:
Hello zkyevolved, which version of BetterBatteryStats are you using?
I ask this because on my device, under Other and Since unplugged options, there is no Deep Sleep entry directly below Wifi Running. The entry shown directly below Wifi Running is Awake.
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Click to collapse
Hello! Thanks for the reply. I checked my version and it's 1.9.0.0. It was just updated the other day if I recall correctly.
I will update again today after a full days use in the battery. I'll post again with screenshots from both applications.
For the moment I've only disabled fast dormancy.
Sent from my GT-N7000 using Tapatalk 2

awesome. You know analyzing is pretty difficult on android lol. sometimes I get frustrated and just reset to starting conditions and reinstall everything. Which is safe on gb, not ics due to superbrickbug triggers in ICS kernel.
Analyze first though Am interested in results.
If battery life is important and you dont mind warrantee, I can recommend the k2-11 or k2-12 speedmod kernel on gb roms. It was best batterylife for me 4-5 hours full screen on time.
Sent from my GT-N7000 using Tapatalk 2

a quick recheck, in current pictures you have 11 hours of measurement time with only 5 in deep sleep and 2 hours onscreen time?
That means 3 hours phone is awake. So it does seem classic deepsleep issue. I am no pro btw, but thats what I suggest monitoring for now.
When phone doesnt deepsleep cpu cycless on 200mhz doing nothing, that consumes energy, we are looking to minimize that.
Some of the stuff I mentioned earlier, partial wakelocks is whats actually keeping phone awake. I hope the fast dormancy off takes care of some keep awake time.
Now when measuring dont check phone every five, ten, twenty minutes, sometimes it takes about 15 min to go to deepsleep, thusvyour manually keeping it awake. Been there done that.
Sent from my GT-N7000 using Tapatalk 2

Hey everyone! Here are some updated screen shots:
This was my activity today: I did listen to some music, I mostly answered messages. Browsed very little. I skyped over HSPA for about 5 minutes. I went for a quick jog with endomondo using the GPS and music in the background via bluetooth for a total of 30 minutes. I used wifi for most of the day. As you can see, for a 2/3 of the day it was in deep sleep, while the rest was a mix of other speeds. I imagine 200-500 was the light usage (endomondo with screen off, bluetooth headphones, skyping OTA, etc.) and when the screen was mostly on and browsing, taking screen shots (I took a lot today, to annotate the screens I was looking at), etc.
Thanks everyone for your continued help.
Ohh, and the SVNET service is still there, I turned it off yesterday, and then today at around 5 o'clock I saw that I had about the same battery left as other days, so I turned it back on again.

ok then its something else keeping svnet up. Dunno about that.
For the rest its best for comparison of stats to measure same timespan, so reset stats when you unplug phone.
Anyway it is deepsleep issue, your phone is not appearing to go to deepsleep ideally.
Cause I cant make out the numbers from what I see, and what it is keeping awake, I recommend starting new. So save messages with an app from play, apps with titanium backup, and efs folder if you never saved, check my thread on that. Contacts and calander in gmail. Photos manually Backup on external sd card and remove after.
On GB do a factory reset with code in dialer ending in 3855, that completely resets device. That should do the trick. I think from settings storage format sd card, not sure if factory reset does that.
If you dont care for warrantee then perhaps speedmod k2-12 kernel is a good alternative to stock gb kernel in terms of battery life
That should fix it. Just dont restore apps with data, let it repopulate itself, that way if something is messed up there you can catch it.
If I am missing something, and anyone reads this, I am keen to learn
Sent from my GT-N7000 using Tapatalk 2

[Q] No Data Connection, No or Unknown Signal Battery Drain

Hi i am having a big battery drain recently. My ROM is cm 10.1 20130304 galaxysmtd m2(stable) with stock cm kernel. I get 1% drain every 2 min with WiFi on, 3 to 4 minutes when using with out WiFi.
I checked better battery stats to search for battery draining apps and found that No Data Connection and No or Unknown Signal. See screen shots from below
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I have a good battery signal with -85 which is full bar signal and also I never use 3g or 2g mobile data since I already have WiFi connection. But these two battery drainer bothers me a lot. They wont sleep even idle or my phone enters deep sleep.
If you also have the same issue, kindly share it also here I can't be the only one having this issue. Hoping for some solutions coming
Sent from my GT-I9000 using xda app-developers app

I have the same issue with my i9000 after flashing CM9. My BetterBatteryStats stats are the same.
The battery drains very fast.
Did you figured out a solution for this?

finuccsi said:
I have the same issue with my i9000 after flashing CM9. My BetterBatteryStats stats are the same.
The battery drains very fast.
Did you figured out a solution for this?
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Click to collapse
I had the same problem this week. After half a day my battery was empty. I noticed that an application was using WiFi a lot. BetterBatteryStats couldn't give me enough information.
The problem was caused by K-9 mail. Accounts with IMAP settings made K-9 constantly polling. After changing it to POP3 the problem was solved. If you use K-9 mail, give it a go.

Me too!
I have this problem too, but I am not an expert with software, so someone please help us, I don't know how to solve this problem!

i had this problem mine is working again no data loss for a week .
what i did was flashed darky 10.2 re the went and flashed alliancerom jw4 then jw8 downloaded apn tweaker from google play store phone working normal again

lividor said:
Hi i am having a big battery drain recently. My ROM is cm 10.1 20130304 galaxysmtd m2(stable) with stock cm kernel. I get 1% drain every 2 min with WiFi on, 3 to 4 minutes when using with out WiFi.
I checked better battery stats to search for battery draining apps and found that No Data Connection and No or Unknown Signal. See screen shots from below
View attachment 1862035
I have a good battery signal with -85 which is full bar signal and also I never use 3g or 2g mobile data since I already have WiFi connection. But these two battery drainer bothers me a lot. They wont sleep even idle or my phone enters deep sleep.
If you also have the same issue, kindly share it also here I can't be the only one having this issue. Hoping for some solutions coming
Sent from my GT-I9000 using xda app-developers app
Click to expand...
Click to collapse
hey buddy, i'm with the same issues
Did you fixed it ?
My battery on usage drains so fast

as far as i observed if you turn on your data connection then it stops No Data Connection, No or Unknown Signal Battery.... i don't know why this is happening even if in aeroplane mode or wifi mode .. but that's the case... give a try and post your observation here

Ultra fast battery discharge of the battery with new service provider

Hi guys. I've changed my service provider several days ago. Before that I've used 2g mobile operator with poor cover and internet. So I've bought 3g and inserted sim-card into my 2x. After that my battery disarched after 4 hours of sleep. Ok, I've switched to 2g only mode. It didn't fixed my problem. I've even disabled mobile data and it didn't worked!
With my previous 2g operator, my phone worked 1-2 days of full using, emails, mobile internet, music, youtube etc...
I use stable [ROM] [2013-02-08] CM10 on Unlocked ICS Bootloader (pengus77) and stable 100p5 Kowalski Kernel.
I'm living in Ukraine. My old mobile operator was "Life!" and new is "OGO Ukrtelecom" with fallback to 2g operator "Kyivstar".
Maybe I must change sim or BB? Can someone help me?
PS. Sorry for my bad english and russian screens.
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And yes, I've wiped data/facrory reset, wiped cache partition, wiped dalvik cache, wiped battery stats. And yes, the phone was in deep sleep during this discharge (look at screens).

Does the drain only happen in certain locations?

elkhawkes said:
Does the drain only happen in certain locations?
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No, I have very poor 3g with many fallbacks to 2g connection at home and great 3g/2g at work. I have the drain at work too...

Flight007 said:
No, I have very poor 3g with many fallbacks to 2g connection at home and great 3g/2g at work. I have the drain at work too...
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try changing the BB....maybe that will fix this. that looks the common one by your description....or install better battery stats app form play store to monitor which is draining the battery

SREEPRAJAY said:
try changing the BB....maybe that will fix this. that looks the common one by your description....or install better battery stats app form play store to monitor which is draining the battery
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Click to collapse
Oh no, yet another wipe What battery app is the best? There are too many apps for this...

Flight007 said:
Oh no, yet another wipe What battery app is the best? There are too many apps for this...
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Click to collapse
no need for that my friend.....just make a nandroid backup first.....smart flash the BB and then restore....
for the battery app....BetterBattery Stats will be the most suitable one for the battery draining issue

SREEPRAJAY said:
no need for that my friend.....just make a nandroid backup first.....smart flash the BB and then restore....
for the battery app....BetterBattery Stats will be the most suitable one for the battery draining issue
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Thanks, I will do this!

So I've found the solution for better battery life:
1. v30b BB.
2. Pengus cm10 look ma no nands. (not tonyp rom, it has really crappy battery life for me).
3. kk123 and all optimization fixes in Kowalski manager, excluding dynamic fsync (unstable).
4. Greenify.
5. Disable all location services.
6. !Using ONLY wall charger, because kk isn't works normally with usb charger at this time!
7. !3g/2g only, NO wi-fi when not near wall charger! ( WCDMA preffered in *#*#4636#*#* )
8. Disable IMS in *#*#4636#*#* .
With this I can normally use my phone all the day without charging.

My battery.. deep sleeping but going from 78% to 40% overnight

I'm having issues.. I've been always lurking XDA (years now) I do not post frequently.. After my nexus 4 (3 years) I got my new nexus 6; I' ve always rooted them, etc.. this time after a couple of weeks (2-3) I rooted and got my franco kernel.. anyways everything was fine till a day that I ****'d up a flashed M by mistake, I had to re-do all my stuff after restoring latest 5.1.1 android version..
The thing is now my battery is dieing just too far. No geo-location, no bluetooth, no nfc, no LTE (only using 3g), mostly wi-fi, NO WAKELOCKS! and still its dieing too fast for the non use that im giving it..
For example
Yesterday night before sleeping it was 78% .. when i woke up: 40% it had 6 hours of deep sleep and still the battery drain was just insane..
Any ideas boys? Should i close bootloader and restock this and send to motorola for a change or what? Let me know which logs do you need.

Reynaldo2333 said:
I'm having issues.. I've been always lurking XDA (years now) I do not post frequently.. After my nexus 4 (3 years) I got my new nexus 6; I' ve always rooted them, etc.. this time after a couple of weeks (2-3) I rooted and got my franco kernel.. anyways everything was fine till a day that I ****'d up a flashed M by mistake, I had to re-do all my stuff after restoring latest 5.1.1 android version..
The thing is now my battery is dieing just too far. No geo-location, no bluetooth, no nfc, no LTE (only using 3g), mostly wi-fi, NO WAKELOCKS! and still its dieing too fast for the non use that im giving it..
For example
Yesterday night before sleeping it was 78% .. when i woke up: 40% it had 6 hours of deep sleep and still the battery drain was just insane..
Any ideas boys? Should i close bootloader and restock this and send to motorola for a change or what? Let me know which logs do you need.
Click to expand...
Click to collapse
Wipe cache and dalvic cache that is a usual fix and simply flash elite kernel recommended I charge from 10 pm to 6 am and at 7 am im still at 98%
Lots of deep sleep
Use CPU spy app to look at deep sleep
Another fix for alot Samsung users was to disable volte under call settings and WiFi calling when not using it .Screen time out to, 15 seconds all the usual settings disabling
Best of luck
Sent from my Nexus 6 using XDA Free mobile app

Did the davilk cache and cache wipe (didnt flash elite kernel) and everything is going well right now.. thanks alot
will report back if anything new pops, thanks man!
edit: lets not sing victory, keep the suggestions coming.

What rom are you running? Maybe I missed that part? Dont forget to turn off auto-brightness that is a real batter killer
Edit I see that you are on stock, sorry.
Do you have a good data connection at night? I know when I had sprint I had to connect to a wifi at night or my batter would be half way gone over night because it would search for signal.
Do you have the search for wifi even when disabled turned off under wifi advanced settings?

Hey, i had wifi always on but that was not the issue, it was not a data related.. After 24 hours my battery is alive again seems like dalvik cache and cache wipe worked out, i did try the wifi off but it was not making any difference.

Reynaldo2333 said:
Hey, i had wifi always on but that was not the issue, it was not a data related.. After 24 hours my battery is alive again seems like dalvik cache and cache wipe worked out, i did try the wifi off but it was not making any difference.
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Just for pictute proof the battery life gets better if you just charge decharge correctly
Getting estimated 24+hrs all day 7 am today until 7am tomorrow ... Providing how much you use the phone
Screen time out 15 seconds GPS off WiFi off or on only use one!!
Brightness down to 1\4 way that's all you need cause screen is bright even at that setting.
And If you want a great combo flash Sinless rom and elite kernel wipe dalvic and cache reboot!
Sent from my Nexus 6 using XDA Free mobile app