Database Users

"wlan_wake" kernel wakelock high drain problem

Hello, I'm having a problem, my Wakelock Detector detects a lot of wake time (72%) by a kernel wakelock named "wlan_wake" and I don't really know how to solve it! I have a Samsung Galaxy S4 i9505 with the 4.3 android version, official release, and this started to happend less than a week ago. I cleaned cache and dalvik, I tryed to let the wifi always off, and nothing worked... Solutions?
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Bruninho98 said:
Hello, I'm having a problem, my Wakelock Detector detects a lot of wake time (72%) by a kernel wakelock named "wlan_wake" and I don't really know how to solve it! I have a Samsung Galaxy S4 i9505 with the 4.3 android version, official release, and this started to happend less than a week ago. I cleaned cache and dalvik, I tryed to let the wifi always off, and nothing worked... Solutions?
Click to expand...
Click to collapse
Did you recently install viber ?
Viber is known cause of keeping wifi on while the phone is in sleep mode. you can easily Greenify it.

Go to settings wifi advanced settings and disable wifi search whlie wifi is off (sory dont know the right name because I use miui
This disables the search for wifi networks while the wifi is off its a know issue in android 4.3
Sent from my GT-I9500 using Tapatalk

Thanks!
Enviado do meu GT-I9505 através de Tapatalk

It didn't help me!
but after restarting the phone the problem is gone. AND ITS BACK AFTER 2 DAYS!!!
EVERY TIME!!
Ohh yes.. And I know that if i turn of the WIFI the problem is gone..
BUT!!! I want the Wifi to be ALWAYS on..
Please help!!!

I would suggest doing a full wipe on your ROM or trying a different kernal. By the way, using CAPS and a lot of !!!!!!! will just make people not want to help you.

Same here. See http://forum.xda-developers.com/showthread.php?t=2533853
Sent from my GT-N8013 using Tapatalk 4

this issue was introduced with 4.1.2
and it seems to be always occur after a application has updated through googleplay.

Android OS stay awake problem

Hi people. I have this phone second day, and yesterday it has been al ok. Phone is new buyed by me, and i turned off locations, sync, google apps and some lg apps. I have 20b firmware.
Problem is in Android OS why is so high this number of stay awake ?
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I have the same issue... Maybe it's just a false report, like with Bluetooth before ( it was saying that bluetooth take like 7% of battery and was keeping the device awake while in fact it was not)
I'm on stock kitkat 4.4.2 20D EUR open with cloudyfa kernel (I have a custom recovery and KnockCode doesn't work with KK stock kernel)

DizzyMizzy said:
I have the same issue... Maybe it's just a false report, like with Bluetooth before ( it was saying that bluetooth take like 7% of battery and was keeping the device awake while in fact it was not)
I'm on stock kitkat 4.4.2 20D EUR open with cloudyfa kernel (I have a custom recovery and KnockCode doesn't work with KK stock kernel)
Click to expand...
Click to collapse
I dont know. Maybe it is just false report, will see after few day of using.

Anything ever come of this?
Sent from my LG-D801 using XDA Premium 4 mobile app

You turned off locations, but what about Google Now?

Robi959 said:
Hi people. I have this phone second day, and yesterday it has been al ok. Phone is new buyed by me, and i turned off locations, sync, google apps and some lg apps. I have 20b firmware.
Problem is in Android OS why is so high this number of stay awake ?
Click to expand...
Click to collapse
Download wakelock detector from the play store. You will have to root your phone for the app to work properly.
Let it run for a day then post the results of the app on here and I can tell you what's causing this issue.

Very bad WiFi connection since a week

Hello, since a week my connection is very bad.
I think it's after formatting to f2fs.
Now I'm using ext4 and a TouchWiz Rom but the connection is still bad. I think after changing to TouchWiz it was good for one day.
I'm Facebook and instagram the pictures loading after an hour and it takes very long to download an app from playstore.
It does take very long to show the pictures in play store. But after wating till the download starts, it downloads at normal speed. Don't know why [emoji15]

Wrong section. Post in QnA please. Btw you seriously waited an hour for FB picture to show?!?

Didn't know that I was in the wrong section. I want sure that my phone started the thread because of the internet problems.
I didint wait so long but it feels like that.
Here an example
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It does take very long. Before it was not so slow. Only my device is so slow.
My tablet get an good connection.
Any solution ?
I flashed TouchWiz because I thought its an problem with aosp
Sorry i forgot a few information.
Note 3 9005 LTE
Android 5.0
Newest Bootloader
Router settings ok
Only with my note 3
Maybe since I formatted to f2fs
Now i got ext4 but its still the same

Try FXR wifi fix and rescue from playstore. See if it works.
Sent from my GT-N7105

use *#0011# and wifi closed - open.

Tried both but the issue still exist

So the bootloader is from lollipop?
Sent from my Micromax AQ4501 using XDA Free mobile app

I think so.
After lollipop touchwiz released I flashed bootloader and the rest.
But the issue is since a week.
I got flashed lollipop touchwiz since its released
Edit:
I think it´s fixed now
I think it was my router ..........

Happy for you anyway
Sent from my Micromax AQ4501 using XDA Free mobile app

Battery usage shows that WiFi is always turned on in Lollipop (N9005)

Hi
I noticed that the battery usage shows that my WiFi is always on even though I'm pretty sure it's never turned on.
Is this a general bug in all Lollipop versions? And if so could it be the reason for the battery drain in the Android 5.0?
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I'm using the Polish Lollipop firmware flashed through Odin.
- NOT ROOTED.
Device info:
Sent from my SM-N9005 using XDA Free mobile app

In my Lollipop polish official version is the same bug.

LOL that isn't a problem related with Lollipop, it was there from Jelly Bean and it's not a problem, I think it's some kind of feature! Just turn off always scanning option under WiFi option (menu-advanced).

devilsdouble said:
LOL that isn't a problem related with Lollipop, it was there from Jelly Bean and it's not a problem, I think it's some kind of feature! Just turn off always scanning option under WiFi option (menu-advanced).
Click to expand...
Click to collapse
I tried turning the options you mentioned off but nothing changed. I was told that the N900 models also shows the same problem with Lollipop, so I guess this is a general bug :/ . Hopefully Samsung will fix it with an update ASAP.
Sent from my SM-N9005 using XDA Free mobile app

Ghido95 said:
I tried turning the options you mentioned off but nothing changed. I was told that the N900 models also shows the same problem with Lollipop, so I guess this is a general bug :/ . Hopefully Samsung will fix it with an update ASAP.
Sent from my SM-N9005 using XDA Free mobile app
Click to expand...
Click to collapse
Actually my Nexus 5 also having that problem. it is a problem/bug on Lollipop...

i am using n9000q
after uptading to stock 5.0 i started facing this problem
never found a solution
wifi is off, always scanninf feature is also off
yesterday i rooted my note 3 and flashed cm12
and there was no bug until i install my apps
one of our apps causing this problem
i wonder if anyone knows an application to seek which program is using wifi in background?

GPS Won't Fix Location

Hi good people of xda.
I'm hoping someone out there can help me as I'm at the end of my tether.
I recently noticed that my GPS wasn't working whilst running Goldfinger v8.
So I tried all the usual fixes (tightening screws, faster fix, topNTP, changing csc) and nothing works. I flashed back to a stock unrooted 4.4.2 firmware for my location UK (BTU) via odin and that didn't work. I am currently running Goldeneye v49.2 as the last time i remember my gps working was on a much earlier version of that rom (v20 something) but it isn't available to download anymore so i thought i'd try the latest but to no avail.
Unlike others that seemed to report no satellites in view, my phone sees them but will not get a fix .
I have also never used a 4.4.4 rom as I know that can cause gps problems when reverting back to 4.4.2.
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Here is my current setup from phone info
Any ideas would be appreciated.

Same problem here..help

I'm starting to think my gps is broken. If I put my phone in flight mode and open gps test it sees satellites but they are clustered in one direction
If I disable flight mode as soon as my phone connects to wifi I get a normal looking image.
I have tried so many stock firmwares, modems and cscs I've lost count. I've tried 4.4.2, 4.4.4 tw roms & 5.0.1 aosp and nothing is allowing me to get a gps lock. I haven't dropped my phone (much) and had what I'd call a heavy impact to have damaged the internal gps receiver/aerial so I'm really at a loss now. Looks like I'll be buying a new phone sooner than I thought
Sent from my GT-I9505 using XDA Free mobile app