Android System draining battery on lollipop, but only under wifi - ONE Q&A, Help & Troubleshooting

the title says almost everything. I updated to last cmos12 release, flashed again, clean flashed again, wiped everything and fastboot super clean flashed again. nothing. Android system drains the battery on par with display. i have approx 3 hours cpu uptime for android system in a discharge cycle. but this behaviour simply disappears if i don't use wifi and only rely on mobile connectivity. ofc i have better battery stats and wakelock detector installed, so please ask me for things you need to help me understand and troubleshoot the issue and i'll provide them.
thanks in advance

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I have the exact same problem, although I'm not working on a rooted phone. Working on LTE goes ok, but the moment I switch on wifi the phone gets very very hot and drains the battery. Other than 'Android system' I cannot see any other process draining.

no hot phone for me. i get lots of wakelocks but they're 1-2 sec each so nothing to worry about. the phone deepsleeps well too. but those 3 hours of cpu uptome for android system drive me crazy.
any suggestion out there ?

Most likely it is a bug from Cyanogen os 12.
As it is still an initial build, I think you will get a more stable build in near future.
I will suggest you to check the following option under wifi > advanced settings > keep wi-fi on during sleep option.
I have this set as always.
If you have the same then you can try with the other options.

tried but ofc i need data connection while sleeping and relying on mobile data is more power consuming so no, wifi has to be always active during sleep ^^

arjov said:
the title says almost everything. I updated to last cmos12 release, flashed again, clean flashed again, wiped everything and fastboot super clean flashed again. nothing. Android system drains the battery on par with display. i have approx 3 hours cpu uptime for android system in a discharge cycle. but this behaviour simply disappears if i don't use wifi and only rely on mobile connectivity. ofc i have better battery stats and wakelock detector installed, so please ask me for things you need to help me understand and troubleshoot the issue and i'll provide them.
thanks in advance
Click to expand...
Click to collapse
Try this, it worked for me. Wifi settings seemed to be the problem. Changed the frequency from 'automatic' to '2.4 Ghz only' in the advanced wifi setting.. Now all Normal. I almost returned the phone thinking of a hardware issue.

Related

[Q] [HELP] Draining battery

Hello,
I need some help with my evo...i have it running on the fresh 3.5 ROM and netarchy-toasts kernel, latest version and all. I am overclocking as well, but nothing to drastic. Until recently, the battery life on my phone went into the ***** literally. Before it went 24 hours plus with medium to heavy usage. Now i can leave the screen on and literally (no exaggeration) watch the battery drain sliver by sliver. I just did a complete data wipe and reflashed the rom and kernel both in hopes of resolving the issue, but its still draining. Any help would be greatly appreciated, I really need this fixed but cant figure it out on my own :/
edit: the only time this happens is when the screen is on, when the screen is off it STILL DOES drain more than usual, but nothing compared to what happens when its unlocked. My though is that an app is running in the background eating up my batter life, but i have no clue what it is or how to locate it.
This is what the battery usage is looking like. Always Android system up at the top
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Sent from my PC36100 using XDA App
Disable your mobile connection when not using it turn auto brightness off off auto sync but the main factor is.the mobile connection turn that off when not using and u we get better battery results
What's gd for these kind of things is juice defender
sW333t11 said:
This is what the battery usage is looking like. Always Android system up at the top
Sent from my PC36100 using XDA App
Click to expand...
Click to collapse
Sent from my PC36100 using XDA App
I forgot to mention that i have juicedefender installed already, and set cpu with profiles as well. one of the profiles is for when the screen is off, set for 300/300 (not accurate, but is set around that)
If its going as fast as you say (literally draining in an hour or so) I would say check your batter, try a new one. Otherwise you already have juice defender (which I tried and it really didn't do much else) so everything should be covered. Try wiping Dalvik cache, also try wiping batter stats (both are in clockwork recovery under the "advanced" tab.
Good luck and sorry if this doesn't help
Hey,
Download Juice Defender and AutoKiller fro the market and watch the Magic. me and you have the same phone and same rom. Note: delete any tsk Managers ou have because they will interfere with juice defender..

Suddenly, wifi connection is draining my battery

Hello friends. I'm going to try to tell my problem in English.
Wifi signal is draining my battery since three days ago. I've read a post of a user who solved it, cleaning the golden contacts of the back cover. I've tried it, but it does not work. As i said in the other thread, I'm not root
What can I do?
Garz.SP said:
Hello friends. I'm going to try to tell my problem in English.
Wifi signal is draining my battery since three days ago. I've read a post of a user who solved it, cleaning the golden contacts of the back cover. I've tried it, but it does not work. As i said in the other thread, I'm not root
What can I do?
Click to expand...
Click to collapse
was tempted to say charge you battery or stop using wifi
But, first you should provide us with more details like ROM version, radio, full details of your bootloader screen so that we can understand you device more.
What have you tried apart from cleaning the contacts, full wipe, factory reset etc?
thanks ben
Thanks for your help ben!
I have the same general settings, sync settings and same apps than before the problem.
More details from my device:
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I have no tried factory reset cause it`s a big problem to lose everything, but if that´s the only way to solve the problem, I can try it. I downloaded a free app and I´m going to calibrate the battery in a few minutes. is that like to do a fullwipe?
Thanks again for your help and sorry for my English. I do my best.
suggestions would be to install an application like battery monitor widget to produce a history of your power consumption, so that you can analyse what is using all the power.
Check the following settings
Settings->Wireless & Networks->Wi-fi settings->(Menu button)->Advanced->
Wifi Sleep Policy = Never
Best Wifi Performance=OFF
Consider which new application youve installed in the last three days?
What has changed?
Thanks a lot ben! I think that´s the solution.
My device looks like this:
Wifi Sleep Policy = Never
Best Wifi Performance=ON
I've unchecked Best Wifi performance, I think my girlfriend was trying to connect to her wifi network the day when I noticed the problem. Maybe she checked this option. She says she didn't check anything, therefore I'm sure that she checked it.
Thanks again.
Garz.SP said:
Thanks a lot ben! I think that´s the solution.
My device looks like this:
Wifi Sleep Policy = Never
Best Wifi Performance=ON
I've unchecked Best Wifi performance, I think my girlfriend was trying to connect to her wifi network the day when I noticed the problem. Maybe she checked this option. She says she didn't check anything, therefore I'm sure that she checked it.
Thanks again.
Click to expand...
Click to collapse
in which case, she certainly checked it that could be the end of your problem.....that setting improves the the wifi connection at the expense of additional battery consumption.
so install and run the monitoring as suggested above and report back in a couple of days.

[Q] No deep sleep with Lollipop (plenty of screenshots inside!)

Hey everyone,
I was just hoping you guys can help out a OPO newbie like myself. I recently just got the phone after switching over from a Nexus 5. However, as a Nexus 5 user, all I have known for months was Lollipop so the first thing I did when I got the OPO was to throw on a Lollipop ROM. However, I've seem to run into an issue regarding deep sleep.
First, I want to say that before Lollipop, I did use the phone for a day or two with CM11S and the battery was great (screen on and standby). Since it was great, I've never tried to see if deep sleep was working, but I assume it was since the battery was great.
Onto the Lollipop ROMs, the first one I threw on was LiquidSmooth and the idle battery drain was not good. I also threw on the CM12 alpha modem that was floating around to fix the double tap to wake issues. Anyways, I installed BBS and CPU Spy to see that the phone never went into deep sleep (off the charger). I even tested this over night and it was not in deep sleep for more than a few seconds. To try to fix this, I fresh installed LiquidSmooth without the modem (used CM11S modem) and the same issue persists (I did not install any apps, just CPU Spy so it cannot be any rouge apps). Thinking it was the ROM, I went to SlimLP and the same issue persists. Thinking it could be a kernel problem, I flashed the AK kernel and still the same. Again, all of these were clean flashes with only CPU Spy installed.
My last resort was to go to CM12 to see if it was an issue there and it unfortunately is. According to CPU Spy, the lowest it ever goes is 300 MHz. In the battery settings, it appears that "Android OS" is what's consuming the battery. Please take a look at the screenshots below of my phone off the charger while I was sleeping (note: with the WLD screenshots, I did install a few apps but it clearly isn't any of those that are causing the issue). Also note that I began sleeping at 95% and you can see that it drained about 40% overnight.
TL;DR -- my OPO simply refuses to go into deep sleep which causes massive idle battery drain (as reported by CPU Spy and BBS). Tried clean wiping and installing a different Lollipop ROMs, kernels, and radios without any solution. Cannot be a rouge app because I tested it with a fresh install. I would hate to have to go back to CM11S. Can anyone help please? I'm fairly savvy with flashing and all since I've come from a Nexus but I'm pretty stumped here.
Thanks!
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I came across this old post today, after seeing the exact same problem as you on the 20150317 build of CM12 stock. I tried installing the same apps as you, and got the same results. I am so confused, I never noticed this before. I am getting like a day and a bit battery life, which means if I fix this I should get around 2 days no problem.

Galaxy S6 920I Battery Issues - Help and Thoughts

Hey guys, first of all let me make clear that I've been through every single topic available online on these battery issues, and I have tried everything but nothing works.
I love my S6 but its battery inconsistency is driving me crazy. I've got every single topic covered:
Location services and history off
Wifi sleeping on screen off
Uninstalled and disabled every single bloatware that Samsung offers
No facebook app
Screen brightness on 10% most of the time
Tried factory resetting and wiping system cache more than 3 times already
I was stock 5.0.2 and recently flashed stock 5.1.1 via Odin hoping it would solve my battery problems but it made my issues even worse. I get 2h SOT tops, and my device usually drains 40% of its battery when I'm in bed (11pm - 7am), even with Wifi/data off and all apps closed. Battery system monitor shows a 40% drop on battery caused by "Android System", and GSAM shows the same but with special drain for "Android System - celgeofenced".
I don't feel safe rooting right now and installing Wakelock because I've read a lot of issues related to Knox violation in the current rooting methods.
Any thoughts on that? I'm really getting to a desperate bottom line here.
Thanks.
I'm on a G920i Vivo - Brazil and I was gettin same battery drain as you. Unfortunately I only solved this issue making root with CF ROOT, TWRP, flash SUPERSU, flashed the DeepSleep zip via TWRP, wipe cache/dalvik and rebooted!
EDIT.: Deep sleep is gone after 2 hours, some app is using GPSD and killing my battery :////
Could you check if you have this option in 5.1.1 ???
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Its under Smart Manager -> Security.
Hi, i have G920i (VIVO-BRAZIL) and i'm facing trouble with GPSD (Kernel wakelock), that it's blocking my cellphone from get into deep sleep. When I wipe cache/dalvik, seems to be ok for a couple of hours, then bum GPSD drain my battery. Anyone knows how deactivate GPSD without rename GPSD from /system/.... ? Pls help
2 hours plus is about average.
roydok said:
2 hours plus is about average.
Click to expand...
Click to collapse
Are you sure? The problem is 40% draining without even touching my phone. Does it seem fair based on your usage standards? Thanks
Qix84 said:
Could you check if you have this option in 5.1.1 ???
Its under Smart Manager -> Security.
Click to expand...
Click to collapse
I'm on this state right now:

Terrible idle battery drain!

I have a terrible battery drain when my phone is idle. Tried everything, but nothing solved it. Ever since Lollipop I have this issue.
Clean flashed MM and still nop. Flashed ElementalX 6.04 yesterday which still couldn't solve it. This is frustrating :crying::crying:
I have disabled everything too. No Wifi, data, bluetooth, location...etc (My phone is not a smart phone anymore)
Only adaptive brightness is enabled.
Yesterday I fully charged and went to sleep to find out it has drained 28% after a 7 hours sleep. Removed all the unpopular apps (suspicious apps) as well. BetterBatteryStatus says my phone has been in DEEP SLEEP throughout the whole time too.
Please give me a solution
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How old is your phone?? You might need to replace the battery. Especially you've already done everything from kernel, to clean flash to disabling apps and settings
your bstats also tells no abnormality? how about its partial wakelocks? can you post those so we can check it out?
Mojar7070 said:
How old is your phone?? You might need to replace the battery. Especially you've already done everything from kernel, to clean flash to disabling apps and settings
Click to expand...
Click to collapse
My phone is 18 months old. Yeah I guess my battery has run out of its course
Thank you for the reply
phantom146 said:
your bstats also tells no abnormality? how about its partial wakelocks? can you post those so we can check it out?
Click to expand...
Click to collapse
According to BBS my phone has been in deep sleep throughout the whole time. I'm assuming its the battery, I need to replace it may be.
I charged my phone again. I will post partial wakelocks too in few hours time.
Thanks alot
Even though it may not make a huge difference but you can try draining the battery out to 0 (until the phone can't stay on even after a force power on) and a full charge (30 mins to an hour overcharging after you see full battery indicator).. Gluck.
I replaced my battery, I was getting hard reboots as well. But wow with a new battery and marshmallow my nexus is like a new device.
99% no or unknown signal.
That could be the cause of your drain, when the phone has no signal or poor signal it will use a lot of battery to keep the connection alive. Set aeroplane mode on
Sent from my Nexus 5 using Tapatalk
maccboy2010 said:
I replaced my battery, I was getting hard reboots as well. But wow with a new battery and marshmallow my nexus is like a new device.
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Glad it was fixed

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