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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...
Click to collapse
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...
Click to collapse
Cos you are using wifi all the way,
3G will eat up more battery

[Q] Poor battery life

Hi!
I've searched the forum but didn't find a straight answer. What's your battery life?
Mine, having no apps, few notifications, black face and always on get just 13h. And that's frustrating. My unit it's just three day's old and if this is the expected performance I will return it at once. What do you think?
Thanks!

I'm getting over 2 full days easy. But I also have enough ambient mode turned off so the screen is completely off, unless I get a notification or am using it.
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Just a update before I put my watch on the charger.
2PM on the 19th to 8:35PM on the 21st

I usually get 2-3 days with moderate usage. Always-on screen enabled seems to be about the same as when it is disabled for me so I leave it enabled now. However, my watch screen does shut off from 0000-0650 hrs everyday. If you aren't playing with your watch a lot then 13 hours seems unreasonable.

I just checked mine : 72% remaining after 13 hours. Always on enabled - used lightly (notifications and some small utilities). I'm charging it every evening though .. just to have it 100% in the morning.

Thanks!
After a watch reboot it seems I'm getting a couple of days of battery life. I imagine I had some mysterious app depleting my battery. So I'm keeping the watch.

I have also experienced poor performance of my LG G Watch R. It will drop from 100% to 0% charge in 4-6 hours. When I look at the AndroidWear log, it shows about 15-30% power drop over various applications. I am then questioning where the other 70% power drop has gone.
This is extremely frustrating. When the Bluetooth is off on my phone, the power drop is as expected - a few percent every hour.
Anybody else have this issue? Could it be my phone? I have a Galaxy Note 3 on the Verizon network.
Thanks for any suggestions.
Cheers,
B.D.

Yes, I also had the issue today, already for the 2nd time in the past 2 weeks. Something happens and the battery starts depleting quickly ...
Any idea how can I see which apps have caused this rapid battery drain? Someone mentioned android log ...
BostonDan said:
I have also experienced poor performance of my LG G Watch R. It will drop from 100% to 0% charge in 4-6 hours. When I look at the AndroidWear log, it shows about 15-30% power drop over various applications. I am then questioning where the other 70% power drop has gone.
This is extremely frustrating. When the Bluetooth is off on my phone, the power drop is as expected - a few percent every hour.
Anybody else have this issue? Could it be my phone? I have a Galaxy Note 3 on the Verizon network.
Thanks for any suggestions.
Cheers,
B.D.
Click to expand...
Click to collapse

I'm getting 2-3 hours of battery life. I've had the watch for less than 24 hours. I realize once an update is done battery life isnt optimal for a day or two on Android but this is nuts. I have screen always off and haven't installed any apps. I'm gonna give it to Monday and If I'm still seeing this drain, It's going back to Google.

dkb218 said:
I'm getting 2-3 hours of battery life. I've had the watch for less than 24 hours. I realize once an update is done battery life isnt optimal for a day or two on Android but this is nuts. I have screen always off and haven't installed any apps. I'm gonna give it to Monday and If I'm still seeing this drain, It's going back to Google.
Click to expand...
Click to collapse
I read recently that there is a bug in the battery meter when watch is shipped. It will show 100% then drop very quickly for first few days. I've had mine nearly two weeks and I get through a shift at work (8hrs) with 60%+ remaining. I work nights so I keep brightness set at 1 which probably helps. Hope it gets better after a few cycles.

[Battery Life] OP3 vs IP6

Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?

moskito99 said:
Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?
Click to expand...
Click to collapse
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.

xxBrun0xx said:
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.
Click to expand...
Click to collapse
I know But even if I change massively on Android incl. Wakelocks etc there is not a lot of change. Facebook I had e.g. on Cyanogenmod as "keep active = no" and others as well...But IP was still way much better. And I get all updates on my IP6 incl. ebay, messages etc....
Honestly it is annoying because stand by drain should be at least the same with all the measures we can do with a rooted device...but in reality IPhone keeps e.g. 100% for at least 8 or 10 hours....
I know location history has definetly some influence...is there any way to send location history maybe only every 10 min?

That's all due to optimization of the app code and the os
Sent from my OnePlus3 using XDA Labs

moskito99 said:
Hi! I know Android since 2008 (HTC Hero), had tons of devices and (have to) use IPhone6 Plus for work.
Can someone please explain why IPhone is basically not draining battery when screen is off? I can put my IPhone with all services running...Facebook, email, Google, Instagram etc...If I dont use it 24h it maybe looses 3%...
But on Android...not matter what I do (Greenify, disabling notifications for Facebook, Instagram... etc..) I don't get anything close to that. I discovered across multiple devices with different ROMS. With my fresh OP3T it is not any different...
What is Apple doing differently here?
Click to expand...
Click to collapse
Set localization to battery saving mode, and you should get better results on Android. IOS is better optimized though so you wont get the same results on android. Also if you suggest on battery stats you shouldnt comaper androids SoT and ios "device active" or something because they are not the same.

I know it's really bad. Look at my results. Can't even run for half day on battery
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Sent from my Pixel XL using Tapatalk

If you want really disgusting battery life, give the moto z play a try. My wife got one recently and it is unbelievable. +10 hours SOT over 48 hours with sync on and no battery saving techniques. It's only got a 3500 mah battery, which leads me to believe CPU efficiency plays a bigger role in battery life than optimization of the OS.

hem.acharya said:
I know it's really bad. Look at my results. Can't even run for half day on battery
Sent from my Pixel XL using Tapatalk
Click to expand...
Click to collapse
Because your device doesn't sleep, if it sleeps (screen is off) the battery drain should be way closer to a solid line that barely goes 1-2% down. Buy you are ilon Nougat CM 14.1? It's known that sleep is currently broken on 7.1 Nougat for Oneplus 3.

hem.acharya said:
I know it's really bad. Look at my results. Can't even run for half day on battery 
Click to expand...
Click to collapse
I think there is something really draining your battery or your battery is dieing.
Look here cb 8.
Download betterbatterystats this should give you a clear view what is the cause. Here an average drain of 1.7% per hour.

snippem said:
I think there is something really draining your battery or your battery is dieing.
Look here cb 8.
Download betterbatterystats this should give you a clear view what is the cause. Here an average drain of 1.7% per hour.
Click to expand...
Click to collapse
Hi I have better battery stats installed nothing significant in there too. I am. Running 4g all the time may be that's why the drain is so bad
Sent from my Pixel XL using Tapatalk

thank you for all the feedbacks. Just wanted to start discussion about it!
Real life experience with my work iphone 6plus yesterday.
3% at 8pm...sync and all services on (gmail, location for google, facebook, ebay, instagram etc...) and running. Phone was ringing twice because of skype call coming in, but was not used...Next morning 7am still at 2%....
Android got better, much better, but still is far from that....pretty much the only part I like about IP

ip6?!?..
It's that a phone?!?..:laugh:

The Iphone has better battery life, easily.
However, the battery life on this phone is such that it shouldn't be a problem... Who goes a day or two without access to a charger?
If you are doing nothing but watch Netflix and play Pokemon all day, yeah, the OP3 will run out of juice... But at that point you don't have a social life, so you can hug the wall and recharge and not miss a beat.

Phone was at 98% at 1:00am and then 96% at 8:30 when I woke back up. All sync is on. No greenify or anything like that. I think standby drain is just fine.

xxBrun0xx said:
Google has more services that sync in the background than apple by default, so things like location history (which I would recommend turning off) and sync for apps like Facebook that can't be disabled (unless you use Greenify) are the most common drains.
Click to expand...
Click to collapse
iOS does too. Here's a screenshot from my iPad. I was getting all notifications on time and did everything on it except game.
Over three weeks off the charger:
Sent from my ONEPLUS A3000 using Tapatalk

"Stand by 22 DAYS"..., hilarious. Apple drollery..

If I was a hardcore user, (which I'm not,) all that would concern me is whether my phone could last a day after a few years of use.
As a light user, its nice that my battery can go days but that's what it really is, a nicety.

Dunno about OP but my IP6 always had at least 8-10% battery drain overnight, and I never even had Facebook on it (just Messenger). OP3 is at 3-6% most of times, depending on how many times it got woken up due to notifications.

My battery life is just perfect.
Beta 8 Nougat.
Beta 9 is even better.

Any Exynos S10 user with 5 hrs SOT

Hello guys,
I bought Exynos s10 in India recently and is super happy except for its horrible battery life. I knew issues before but I expected atleast a day before charging again. My S10 currently drains battery like Sun does to water....Really bad...3-4 hrs sot.
I am not a heavy user but I install lot of apps and doesn't close them often. I debloated my phone by following guidelines in this forum and run on medium power saving mode.
Battery life remains bad on any mode, even on maximum power saving mode....culprits are android system and etc...on normal modes, android system, google play services and samsung push service with nova running in background. I am attaching few screens here.
I am planning to do a factory reset and setup again but this time I will not debloat any apart from Facebook related apps (current debloat includes fee bixby related packages, digital wellbeing etc..)
I want to know if there is someone getting 5hrs SOT on medium to heavy usage without debloating and running Google play services...
Note: I use most of Google services and I am a Google maps local guide...so I turn on location for google and always have auto sync on.
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View attachment 4761018

had very bad battery life on my s10 these last month with recent updates, reverting back to the original firmware from march fixed it.
Couldn't get 5 hrs STO on a S10e before, now i usually get around 6hrs with location enabled, bluetooth always connected to my smart watch and always 4g.

I have the S10 exynos in India. I agree the SOT is pretty bad from my previous Moto Z Play. I am a heavy user, so I don't expect too much SOT anyways.
Most of the stuff is kept ON in my phone, like location & sync, all the time. Screen at 1440p. If I end up reaching around 10% before charging, I have around 5hrs SOT. Otherwise, I generally put it to charge at around 25%, with SOT around 4.5hrs.
Also, I haven't debloated anything via adb. Just disabled Facebook & related applications.
EDIT: I keep the power mode as Optimised.

abhichak93 said:
I have the S10 exynos in India. I agree the SOT is pretty bad from my previous Moto Z Play. I am a heavy user, so I don't expect too much SOT anyways.
Most of the stuff is kept ON in my phone, like location & sync, all the time. Screen at 1440p. If I end up reaching around 10% before charging, I have around 5hrs SOT. Otherwise, I generally put it to charge at around 25%, with SOT around 4.5hrs.
Also, I haven't debloated anything via adb. Just disabled Facebook & related applications.
EDIT: I keep the power mode as Optimised.
Click to expand...
Click to collapse
How did you disable apps ? Any disabler app or just via app > disable from settings ?

pchetan2 said:
How did you disable apps ? Any disabler app or just via app > disable from settings ?
Click to expand...
Click to collapse
Just disabled from Settings.
Sent from my SM-G973F using Tapatalk

exynos user .. bought it in germany and I geat 7-9 hours SOT easy.
rooted, debloated, greenify, naptime.
heavy user, display on 1440p

TonyTellz said:
exynos user .. bought it in germany and I geat 7-9 hours SOT easy.
rooted, debloated, greenify, naptime.
heavy user, display on 1440p
Click to expand...
Click to collapse
Oh..good...but i do not want to root for atleast a year...btw..can you tell me what apps were removed ? This includes google services ?

Question High battery usage? Even when I'm sleeping?

The device is new, has only 2 weeks of use and I've updated it to MiUi 12.5.6 (RKLEUXM). My use is very moderate, some videos, social network just for conversations and only wi-fi connection. After the update, I noticed high battery usage even when I'm sleeping with all connections turned off. Obviously there is some battery thief, but it only appears in the graph as "smartphone services", this is not normal. Any idea?
I can even feel the phone a little warm around the cameras when I'm using it for basic stuff.
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Try battery guru's app...

It's seem a 12.5 MIUI problem for all Xiaomi note 10 series

Something(s) are running in the background.
Try putting into Safe mode at night to rule out 3rd party apps.
Track down the culprits and deal with each on a case by case basis.

I have this device since August 27th, after setting it up, I started optimizing it, restricted background use for a lot of apps, well, everything that could be disabled or restricted, I only gave free pass to apps I consider important, but, the reults were really bad, 17% of overnight drain! Long story short, the optimization must be done very carefully, trying to stop all kind of things might prove negative, by trial and error, I now get a good battery life, now it barely consumes 1% in 8-9 hrs idling at night, aod off, wifi on, gps on, so, try to optimize your device carefully

winoles said:
I have this device since August 27th, after setting it up, I started optimizing it, restricted background use for a lot of apps, well, everything that could be disabled or restricted, I only gave free pass to apps I consider important, but, the reults were really bad, 17% of overnight drain! Long story short, the optimization must be done very carefully, trying to stop all kind of things might prove negative, by trial and error, I now get a good battery life, now it barely consumes 1% in 8-9 hrs idling at night, aod off, wifi on, gps on, so, try to optimize your device carefully
Click to expand...
Click to collapse
Hi,
Did you single out what was the culrpit. I have disabled every non essential app, tried this solution: https://forum.xda-developers.com/t/improving-battery-life-on-miui-12.4139913/
But nothing helps. It only shows that android system is drawing power.
I will be glad if you could point what you made to fix your phone

If there is any Firewall that can log with the newer "secure" OS's you can use that to help pinpoint the rogue apk(s).
With Pie I use Karma Firewall but it's logging feature doesn't starting with 10.

After doing everything I could think of, the AOD seems to be the culprit, even thoug I really like it, when disabling it, overnight battery consumption lowered to 1% in a 7 hrs period

winoles said:
After doing everything I could think of, the AOD seems to be the culprit, even thoug I really like it, when disabling it, overnight battery consumption lowered to 1% in a 7 hrs period
Click to expand...
Click to collapse
Thank you for the fast reply. I already had it disabled, but with no positive result.
Thank you, nonetheless.

winoles said:
After doing everything I could think of, the AOD seems to be the culprit, even thoug I really like it, when disabling it, overnight battery consumption lowered to 1% in a 7 hrs period
Click to expand...
Click to collapse
Is tap on an option?

No, to achieve this low bat comsuption, I disabled miui optimizations, then, the option for aod is on or off, no more settings, I really like the aod, but the drain while idling drives me nuts... I painfully miss my galaxy note 10+.....

Meh, I hear that. It's to the point I got a second new 10+ while they're still available. They are the last of the stock devices running on Q.
I won't touch 11 or 12. Funny thing is it doesn't run like an outdated dinosaur.
Been a real bad year for Android...

perhaps related?