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Android os eating 80pc battery after KL7 update

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I feel my battery life has come dowb after kl7 update..check scrrenshot
Sent from my GT-N7000 using XDA App

I am not seeing exact issue how much android OS usng,
looking to your screenshot, display is just 6%, means hardly you have utilised your device. it was mostly in screenoff state. Ok when you dont use your device, but OS is running in background so just OS but nothing else have drain it.
Now another thing looking to image i can say in 9hr your battery dropped 50%
it means > 5% / hr, that actually i count the measure.
In idle state it shud be 2-3 % with 3G n Data sync On. So here it is more.
anyway once let it drain completely then recharge it fully n count drain %/hr.
I am using few stuff, e.g
Autostart - just kill the app you dont using
Phoneweaver - It autometically controls my data connection e.g. just after 15min to my sleeping time, it gets turnoff my data, n swithon b4 few min i wakeup.
SetCPU - I set profile to use CPU <500 in screenoff state.

My batt seems to last longer on kl7.

Your is idle. it seem 3%/hr even using screen quite good time.

My sisters Note had same crazy issue with Android OS eating battery. Tried many things to find the culprit but only thing that fixed it was full wipe and reinstall ROM. No issues now.
Sent from my GT-N7000

il calibrate battery and see hwz it working

I have a very long time use with this firmware and very happy with the update.
I just disabled all automatic synch and the samsung apps notification and things like this.
3g is always enabled and some hours a day wifi is also enabled

Don't know if it will work for you but I had the same problem. Believe it or not a simple hard reboot, solved the issue. Was identical to mine using Android OS over 70% while screen was at 15%. Programs added and deleted were still running around in the OS until that reboot(I'm guessing). Let me know if that works.

seems better. i did a complete battery drain and recharged from 0 battery. now after 5 hours after complete recharge, im at 84%. 2 push emails..full time wifi connectivity, facebook/twitter/socialhub sync always on. 5 min phone call. and thats it.i think its better.

For those who do not realize it yet, having Facebook, Twitter, Gmail, etc syncing every minute takes a lot of power. You cannot expect the phone to be doing this for 12 hours straight.
If you have a lot of battery ussage with screen off, try to disable account synchronization and see what happens then.
You need to evaluate if you need to see every social network update on the instant, or you carry extra batteries with you, or you are able to find a place to charge every few hours.
What you cannot expect are miracles.

vcespon said:
For those who do not realize it yet, having Facebook, Twitter, Gmail, etc syncing every minute takes a lot of power. You cannot expect the phone to be doing this for 12 hours straight.
If you have a lot of battery ussage with screen off, try to disable account synchronization and see what happens then.
You need to evaluate if you need to see every social network update on the instant, or you carry extra batteries with you, or you are able to find a place to charge every few hours.
What you cannot expect are miracles.
Click to expand...
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Will disable sync on background make apps like whatsapp make you miss receiving a message?

Anonymous Vagrant said:
Will disable sync on background make apps like whatsapp make you miss receiving a message?
Click to expand...
Click to collapse
no, you will still receive messages and everything is working fine

Hang on.i have all sync enabled...wifi always on .stil look at my battery life..its decent
Sent from my GT-N7000 using XDA App

Hmm, something has definitely changed for me.
Up until recently I was getting two days use out of a charge with wifi, gps & 3g enabled syncing 2 gmail, 1 yahoo account plus twitter and google reader stuff. Last couple of days Android OS has gone nuts and I'm getting similar readings in terms of usage to those quoted in this thread. This morning I've drained 20% in an hour with a bit of internet use.
Only thing I have changed is updating a few apps and I've put the thing in one of those silicon protection cases but that can't be the reason(can it??!!).

khan.dharvesh said:
Hang on.i have all sync enabled...wifi always on .stil look at my battery life..its decent
Sent from my GT-N7000 using XDA App
Click to expand...
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Cos you are using wifi all the way,
3G will eat up more battery

Sudden battery life reduction LA4

Ialways had remarkable battery life witg my note..i updated to LA4 2.5 weeks before and it improved my battery life. But for the last two days, battery life is terrible.pls gve ne yr inputs.attaxhed is sxreenshot..my usage is always consistent
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Sent from my GT-N7000 using XDA App

Sometimes I get this issue, and I can tell within the first 3% of my phone's battery dropping. The first thing I do is a battery pull, that fixes it.
if that doesn't work it must be a setting or an application.
EDIT: from your usage, it seems that your phone isn't going to sleep. Try an app called Badass Battery Monitor from the market. It will show what apps are using your battery life. link here: Badass battery monitor

Try deleting some recently installed apps.
Sent from my GT-N7000 using XDA App

I had the same problem. First couple of days I got way more than a day and after that it got like my two year old Droid; It sucked.
Turned out that K9 was a battery hog and drained the battery for about 30 percent. Threw it out (though you can also do some adjustments to it) and got my old battery life back. Have a look at the stats to see what is taking up your battery and try to find a solution.

There's something preventing your phone from going to deep sleep. Take a look at 'Awake' and 'Screen On' lines at the bottom of your screenshot:
The right hand side of those two lines are as it should be - the phone is awake when the screen is on.
But the left hand side is wrong - your phone is awake with no screen on (meaning no user activity). Could be a rogue app running in the background and consuming battery juice. Why don't you investigate what you have installed in the past couple of weeks and see if some app is misbehaving.
Also, your WiFi is constantly on (look at the continuous fat line at the bottom). You'd do well to switch it off when not needed, or set WiFi sleeping policy in Settings/Wireless and Network/Wi-Fi Settings/(hit Menu button once inside)Advanced/Wi-Fi sleep policy.
Hope this helps.

I had exact same problem. I tested by removing recently installed apps until I found the culprit. Turned out to be Google+ in my case. Once removed battery was back to normal.

Some more tips on prolonging your battery life:
1. Flash and test different kernels in case of battery drain. Some are easier on your battery than the others.
2. Use Titanium Backup to freeze or uninstall crapware. This list is a useful guide as to what can/can't be removed from your system: https://spreadsheets.google.com/spr...SENVeXlqUm5vV0E&single=true&gid=0&output=html
3. Set Brightness to low value, disable autobrightness
4. Disable or scale down vibration and haptic feedback
5. Don't let your accounts sync automatically
6. Set screen timeout to 15 seconds
7. Disable fast dormancy (dial *#9900# and do it from there)
8. Don't keep your WiFi/Packet Data on all the time
9. Disable location services via wireless networks - are you travelling that fast that you need those?
10. GPS is heavy on the battery, therefore use it sparingly

Folks I followed some of these tips and this its the battery life I an getting on checkrom v5. Better than my old captivate....
Sent from my Samsung Galaxy Note using Tapatalk

Thanks all
Sent from my GT-N7000 using XDA App

Nice info.thx!

Hi chasmodo,
thank you very much for this helpful google-list.
chasmodo said:
3. Set Brightness to low value, disable autobrightness
Click to expand...
Click to collapse
I can't see a good reason for disabling autobrightness... in my opinion this option saves more power (in the long run indeed!) than its backgroundprocess will cost.
OFFTOPIC: Your avatar... this is german bass legend Eberhard Weber, correct?
Best regards
[bs]

BrainSex said:
OFFTOPIC: Your avatar... this is german bass legend Eberhard Weber, correct?
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Of course.

Oneplus 3T battery drain problem

I'm facing battery drain problem in my Oneplus 3T device. When I sleep I switched off data connection but it drains at around 2% per hour. But in my previous phone (Xperia Z3) it drained around 4-5% whole night (6-8hr) even data connection is on.

https://forum.xda-developers.com/showthread.php?t=1179809 try findout problem with this

sameee781 said:
I'm facing battery drain problem in my Oneplus 3T device. When I sleep I switched off data connection but it drains at around 2% per hour. But in my previous phone (Xperia Z3) it drained around 4-5% whole night (6-8hr) even data connection is on.
Click to expand...
Click to collapse
2% per hour is not really a "battery drain". If you use draining apps (for example, the Facebook apps), they are probably still running in the background (even if you have no data). You should check out the Battery section in the settings app, when you pick one of the apps that it has detected that's using your battery, you can see the "CPU Foreground" and "CPU Total". If the total is greater than the foreground CPU time, then the app is using a decent chunk of your battery life while you're not actually using the app.
When you find the apps killing your battery life, you can use something like Greenify - which is an app that hibernates each individual app that you select. This requires root, of course. You can also try using the app Naptime - which puts your phone into hibernation mode immediately after your screen turns off and again requires root. Either app should help you get sub 1% idle battery drainage. Hope this helps...

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15% battery total usages but 5% is showing in detail.

sameee781 said:
I'm facing battery drain problem in my Oneplus 3T device. When I sleep I switched off data connection but it drains at around 2% per hour. But in my previous phone (Xperia Z3) it drained around 4-5% whole night (6-8hr) even data connection is on.
Click to expand...
Click to collapse
Use Betterbatterystats to trace the wakelocks that are causing the problem.
Then you can use Xposed+Amplify to limit them or use a custom kernel for better battery handling.
Sent from my m1 note using Tapatalk

Unable to root my phone. In normal mode it is detected in adb shell. But in fastboot mode my phone is not detected in adb shell. Fastboot devices command don't show device ID.

Phone battery left 63%. Details showing total 13% usage by 7 applications. Where 24% battery gone?

Question What is your standby drain? mAh per hour

Hello guys,
Can you post some details about your average screen off consumption ?
And some details about the variant/conditions like : Exynos/Snapdragon, 12GB/16GB, 5G/4G, mobile data, wifi, Bluetooth on, dual/single-sim use, AOD on etc.
You can use Accubattery or similar app to test it.
I am at 34.3mah/hour.
Exynos, 12GB, 4G, mobile data, wifi, Bluetooth on, dual-sim, aod off
Edit: i think the ROM Will also be relevant. I am on AUB9

0.4%/h with AUB6. before AUB6 was 0.7-0.8%/h

512 exynos, wifi/4g, aod on tap, bluetooth when needed, AUB 9
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adamlee2012 said:
Mines absolutely amazing since I uninstalled Naptime and galaxy max Hz. Not sure which was one draining my battery but now it's perfect.
Click to expand...
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Sorry 0.1% per hour screen off drain time seems almost implausible
I get like 0.6/0.7% per hour screen off drain overnight on WiFi and most things turned off (don't need nfc, Bluetooth, location etc. whilst I'm sleeping). Goes up if I'm using the phone
Did you see an instant improvement removing those apps or was it gradual? Did you deep sleep apps yourself or let the system do it?

adamlee2012 said:
Saw instant improvement. I had galaxy max Hz disabled for battery optimization which could have been the reason.
Click to expand...
Click to collapse
What else have you done to optimise? I have both installed but might try it tonight.

Can't hurt to try, quite liked the notification bar refresh rate notification but can live without. My battery life is reasonable but can always be improved

adamlee2012 said:
Mines absolutely amazing since I uninstalled Naptime and galaxy max Hz. Not sure which was one draining my battery but now it's perfect.
Click to expand...
Click to collapse
It is hard to believe, but it is very clear. Are you on Exynos or snapdragon? I use maxHZ, but it is optimised and I don't see it to be on consumption list.

adamlee2012 said:
Exynos. Couldn't figure out why after a factory reset my battery was still ****. But I did put both them apps back on my device. Then instantly got better battery once uninstalled.
Click to expand...
Click to collapse
I will try to disable maxHZ and see if that changes anything. Were you on airplane mode This? This is the best I got on AUB9.

adamlee2012 said:
Exynos. Couldn't figure out why after a factory reset my battery was still ****. But I did put both them apps back on my device. Then instantly got better battery once uninstalled.
Click to expand...
Click to collapse
So I deleted both naptime and Galaxy Hz (it's worth noting the latter doesn't need to be unoptimized in settings).
Looked like Accubattery is buggy on my phone (S21U Exynos) as it claimed I lost 0% in 8 hours of screen off, but 5% in the 10 seconds of SOT I had. (Stupidly deleted the app without screenshotting)
GSAM as shown below shows it was actually 5% in just over 8 hours but appears that my Naptime behaviour was still implemented despite removing the app (forcing doze without motion sensors makes it stay in light doze with all the characteristics of deep doze).
So from my brief one night study, no discernible difference having Galaxy hz installed and optimised vs uninstalled. Am reinstalling Naptime to try and get it to turn off and see what happens tonight.

adamlee2012 said:
No airplane mode just 2g only and WiFi.
Click to expand...
Click to collapse
Nice just made a routine to switch to 2G and turn off mobile data when at home and connected to wifi, this should increase battery even more

Galaxy Labs has battery optimizing modules. One of them tells you which apps sip what amount of battery.

Question What would allow airplane mode to cause "Google" app to consume 30-40% battery overnight?

Overnight, my phone discharged from around 40% to zero and turned off while it was in airplane mode. Confirmed aiplane mode was still active after charging up and turning back on. Samsung Galaxy S21 Ultra.
Battery info showed the app "Google" seemed to be to blame. Is there a way to diagnose what aspect of Google was messed up and confused to cause this excessive battery use in airplane mode? Or how to diagnose what other app I was using that may have been buggy and interacted with "Google" to cause this nonsensical battery usage when airplane mode was turned on?
Here is the chart showing the constant smooth line from when I went to bed and turned on airplane mode, leading to zero battery:
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Take out the trash; any social media apps. Amazon and Netflix are two I'd never allow to install or run.
Google backup Transport and any apps storing in the cloud. It shouldn't be necessary to put into airplane mode at night; use do not disturb.
Try temporarily disabling Google play Services and see if that gets it. Gmail, Playstore and Google backup Transport are dependencies of it.
I normally keep it disabled unless I need it; nets me 1-2% @hr better SOT.

How do any of those apps use so much battery when in airplane mode?
I'm just confused how the phone itself is dissipating power without using the radios....?

KingFatty said:
How do any of those apps use so much battery when in airplane mode?
I'm just confused how the phone itself is dissipating power without using the radios....?
Click to expand...
Click to collapse
Constant polling trying to connect and complete a task.

blackhawk said:
Constant polling trying to connect and complete a task.
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Why does the phone attribute their power consumption to the app "Google"?
Why does Google consume all the power?

Update: after clearing cache for entire phone, the problem no longer occurs.
Overnight, the battery percentage drops 2% when I turn on airplane mode.
The app "Google" no longer tops the list of battery offenders.
But I'm still curious why the app Google would consume power?

KingFatty said:
Update: after clearing cache for entire phone, the problem no longer occurs.
Overnight, the battery percentage drops 2% when I turn on airplane mode.
The app "Google" no longer tops the list of battery offenders.
But I'm still curious why the app Google would consume power?
Click to expand...
Click to collapse
Data conflict.
You shouldn't need to turn off data and usage at night by Google should be near zero if optimized.
As is Google is still an issue on that device.
Try temporarily disabling Google play Services at night with airplane mode off.