HTC One M8 :: Kernel And Android System Battery Consumption
Jan 3, 2015
I just got my new One M8 a few days ago and ran into some battery draining issue. After charging the device (second charge if to be precise), I went to sleep with 99% battery while all apps are closed, Wi-Fi is turned off and Battery Saver wasn't on. After 6.5~ hours, the battery was at 89%. In my opinion 10% drain overnight, during standby is a lot and that's why I'm a bit concerned.
Based on some recommendations, I installed GSam Battery Monitor, please see below results. It looks like Kernel and Android System consumes 36% which is a lot. How to decrease the consumption and what causes the Kernel and Android System to consume 36%?
On that matter, it seems like the GSam consumes 5.8%. When I close the app, does it stop monitoring and consuming power or it works in the background and keeps sucking the battery?
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Nov 17, 2014
the GSAM app on my HTC ONE M8 says that my app usage is higher than my screen and three of the main battery drainers are: Kernel (Android OS), Android System and System (Mediaserver).
I use my phone properly, charge it very well and have had 4 android phones. None were like this. I have the latest firmware for the M8 (4.4.4). My screen on time is not that good now, around 2-3 hours but when I first got the phone (3 months ago) it was 4-5 hours.
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Jul 6, 2013
I've got a very big problem, since the last update im experiencing heavy battery drain and as i can see its becouse of the "android system" uses 50-90% of battery.Before the update this number was around 3-10%. I dont know what to do,my phone gets really hot and the battery percentage drops in minutes.
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Jun 22, 2015
So the Android System is using a lot of battery. I was using Twitter and Facebook mostly and played around with the stock camera app briefly.
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Jun 12, 2015
And my s5 is running HOT. I can't put my finger on it. I went from 100% battery to 11% in less than 6 hours on standby. What processes may be draining he battery? Location is off, battery doctor and CM security take care of all junk and background apps, sync is disabled. I'm shocked!
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Apr 12, 2015
Having issue where android system is consuming 35+% of the battery? Looking at the stats it seems like one of the bundled services is keeping the radio on for 14/18hrs its been on.
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Jun 1, 2015
I generally don't have trouble getting through a work day with my S6, but I do wonder whether the Android utilization is high. During a typical day (1 - 2 hours SOT, 14-15 hours off charger), I'm burning about 60%-70% of total battery, 30% of which is Android System (~22%) and Android Kernel (~8%). Google Play and other apps are all typically < 5%. Is this normal, or does this indicate that a factory reset might be a good idea? On previous phones I don't recall core Android being this high (usually <10%).
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Dec 2, 2010
Where can I get the Xperia X10i kernel sources for Android 2.1? And as it uses the GPL license so it must be available on request. I compiled the CIFS module on 1.6 but I really need it to recompile it with new sources. Also, kernel config file would be welcome too.
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Oct 9, 2015
Currently using Franco on 5.1.1 with color profile of vomer amoled on n5.is there any kernel which can change color profile in android m?.I saw rooting instruction with elemental x kernel and su 2.49 zip with twrp. is it working or bootlooping?xposed working?
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Mar 19, 2012
I have a desktop cradle and have upgraded to Android 4.0.3, and now the power consumption when in the cradle is so high that charging from USB is not always enough to avoid the battery running out of power. (And I'm even connected to a USB hub with separate power supply.)
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Nov 16, 2015
Few months back i had installed the Android M preview and then to root the device i had installed a custom Kernel on my Google Nexus 5. Now i have upgraded to the stock MRA58N 6.0.0 ROM manually using the factory images by google. Now i want to know, how can i revert back to the stock kernel. And is flashing stock automatically reverts back to stock kernel? How will i root again on Android 6.0.0 ...
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May 15, 2012
I bought SE Xperia Pro a few days ago, and everything on this phone is great except the battery life. It only last's one day max with min. usage. Main battery spender is display, with 59%, even with all options turned off, besides auto rotation. It rises by !% every day. I don't know if this is some software bug or else, current Android is 2.3.4 version. Would update on 4.0
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May 19, 2012
since my iphone 4S have updated to 5.1.1, I now experience excessive battery consumption like 5% down in 1h (sleep mode). I have 2x iphone 4S and they have same behaviour. Never had that before with same hardware what could cause that ?If I go in flight mode (no 3G), the consumption is back to normal (low)
Info:
iPhone 4S, iOS 5.1.1
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Jun 30, 2012
I have a curve 9300 on OS6 I charged my phone up before I went to bed which was 10pm I woke up at 10am to find my phone off and fully discharged I know there is a flaw in the OS so I have heard, my husband has removed all but what is needed by the OS to run with desktop manager
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Jun 7, 2012
Since 2-3 days i am facing with a weird issue. My phone battery consumpion shows :-
Contacts- 60%
Voice Calls
Display
Standby
etc
etc
What is this Contacts which is consuming 60% of my battery. I was very happy with the batterly life before this problem.
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Aug 14, 2015
I know it's early in the game but how this new update is handling power consumption?
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Apr 15, 2015
I've noticed in my battery consumption usage chart that the "Verizon caller name ID" consumption is about 13% even after I force stopped it and turned it off. I don't understand why it is still showing as using the battery as I turned it off already? But on top of that I cannot delete the app from my phone either.
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Apr 26, 2015
what is the best theme for battery consumption?
any themes that have a lot of black backgrounds to save battery power?
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Jul 6, 2011
i bought a galaxy s2 2 days ago and was blown away with it's performance....however the phone's battery consumption is very high i charged it to 100% at 2 p.m and it was down to 23% by 9 p.m...the battery life shows dat the screen is consuming abt 50% of the total charge and it is on for only 2.5 hrs...other proccesses (phone os,wifi..etc) are using quite less....however when left the phone for the night the consumption was abt 1%(used battery meter app)..
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Nov 25, 2014
How does the Moto X handle the battery while in standby / inactive mode?
I attached a picture showing my current phone, the iPhone 5, and as you can see, I don't use my phone very often - and when I do, it's mostly for gaming.
My current battery lasts for more than 2 days (although I just used it for 2 hours) and I'd like to know if the Moto X can handle that much. I have heard that the Moto X battery can't stand for a full day - even if you use it very little, is that true?
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Jan 19, 2011
Had my HTC Desire for about a week now; brilliant phone Although the battery life is not poor (lasts about a day and a half/ two days with little use), when I check to see what is draining the battery, it seems to always be maps that is the culprit, even though I am now (knowingly) using the maps application or GPS etc.
I have done a little research and it seems that is could be the 'use wireless networks' option that is causing this so I have just now disabled this and will see how it goes. Any reasons as to why maps might be showing up as using the largest (if not, second largest) chunk of battery power?
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Dec 29, 2012
I noticed a couple of days ago that my phones battery consumption has increased considerably, from lasting just over a day I now only get to mid-evening before it needs recharging. I have also noticed that the screen isn't turning itself off (if I press the power button once the screen does go off but often the screen does comes back on) and the password requirement isn't kicking in.
I have tried setting the screen timeout to 30 seconds and the need for a password to one minute but the phone is ignoring my setting change. I haven't installed a new app nor changed an app settings recently either. I have done a hard reset (to factory settings) but this has made no difference (I also noted that the hard reset didn't roll back any updates either - Is this right?).
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Apr 27, 2012
The above screenshots reveal that my phone is rapidly losing battery at a rate of 7.3% per hour. This value is sometimes up to 8% per hour. The split is typically as shown in the first screenshot - "cell standby" and "phone idle" account for circa 50% of the loss.what I get with what I consider to be standby/idle (so not even "normal use") and with best (?) battery saving settings:
WIFI - offGPS - offData - offRoaming - offDisplay Brightness - 0Power save mode - onJuice defender - installed and set to advancedThe only app I have installed apart from the usual "bloatware" is avast (as I prefer this over the pre-installed Mcafee)I also have GPU rendering forced to 2DI have max one background process runningWindow & transition animations - offAndroid version: 4.0.3Baseband version: 8x55A-AAABQOAZM-203028G-70Kernel version: 2.632.9-PERFBuild number: 4.1.A.0.562I have made only a single 2 minute call today, No SMS, No MMS and not used the internet nor played any games.The apps/processes running are shown on the above screenshots. Although I updated my phone using PC Companion to 4.0.3 (ICS), this has made no noticeable difference to battery life as I had the problem already before this. In fact I had hoped it might fix the problem! Apps such avast and juice defender also made no difference (good or bad) to battery life - the output I get from the screenshots are nearly always the same - 7 to 8% battery loss per hour.
I've tried battery recalibration (which I understand is achieved by using phone to 0%, taking out battery for 15 mins, replacing it and charging to 100% whilst off, then starting up phone). Again, nothing.I don't think I can get even "normal use" of 12 or so hours and the phone is most certainly NOT meeting the specified values:Talk time (up to): 7 hoursStandby time (up to): 440 hoursMusic listening time: 36 hours The above would be a dream! (I mean, standby 440 hours? That represents 440/24 = 18 days!
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Jul 23, 2012
If you use your RAZR / RAZR MAXX for tethering, or as a hotspot, for connecting a WiFi-only tablet or laptop PC wirelessly to the Internet, how is it affecting your phone's battery power consumption?
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Jun 29, 2010
I find very useful be working on my PC connected, via Bluetooth + Nokia PC Suite, with the nokia 2690, thus annotations in calendar and contacts are automatically synchronized in both sides. My question : working in this way, can cause a noticeable extra consumption of battery ?. Let us say I am making 5 to 10 annotations by day.
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Nov 2, 2015
LG G4 recently, specifically the battery life. Yesterday, it somehow discharged from 100% to 20% three times in one day, on normal usage. I just don't know what is wrong with the phone. Android (and GSam) claim that the highest user of battery is Android System and Android OS.
What I have done:
-Used LG Access Lock to deny keep awake and location permissions
----worked for a few days and then battery life fell back off
-Full reset of phone
----battery life is actually worse after the reset
-Battery saving location settings
Possible suspects:
-Pebble watch --- constant on bluetooth maybe?
-Facebook/Messenger/Snapchat/etc --- wanting my location constantly?
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Nov 7, 2014
It is correct that the android system on a brand new Xperia Z3+ uses 9.42GB of the phones memory. Surely this can't be right because it's only a 32GB phone it's not even one week old and it's telling me that 75% of my memory is full. How I can reduce the size of this file...
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May 13, 2015
I'm using an app that configures a vpn profile and connects to it. When I'm connected, I want just my notification to be shown, but android provides its own notification that is shows and I can't seem to get rid of it. Any possible way to get rid of this without root?
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Jan 12, 2016
I just got notified that there is an update for January that is available to update.
I have followed the unlocking and rooting guide, and as such I'm worried that updating OTA will break my root.
How can I correctly update to the latest firmware without losing root?
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Oct 7, 2015
So my phone said that there's an update and I went ahead and pressed okay for it to install. It went straight to Android system recovery and now every time I push reboot system now, it goes right back to the system recovery page, and when I take my phone battery out and put it back in, it still does the same. Is my phone completely messed up now or something?
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Feb 8, 2011
I just bought HTC Desire Z but i don't know how to sync my outlook notes ( .pwi ) with this HTC Desire Z.
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