"Wlan_rx_wake" Wakeclock Problem - Galaxy S 4 General

Hi everyone. So today I just wanted some help with a problem I've had for a while. So my battery would drain really quickly, like in 6 hours with little use. I figured out this only happens when I'm at school and I checked it using BBS. I had to bring my old iPod to school to use for Wifi as I need my phone to last a day, but for some reason the school WiFi drains my S4 battery. Can anyone give me some advice?
EDIT: I think I posted this in the wrong forum. Can someone move it to questions, answers, and troubleshooting? Thanks.
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AmmVid said:
Hi everyone. So today I just wanted some help with a problem I've had for a while. So my battery would drain really quickly, like in 6 hours with little use. I figured out this only happens when I'm at school and I checked it using BBS. I had to bring my old iPod to school to use for Wifi as I need my phone to last a day, but for some reason the school WiFi drains my S4 battery. Can anyone give me some advice?
EDIT: I think I posted this in the wrong forum. Can someone move it to questions, answers, and troubleshooting? Thanks.
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Read some suggestion to minimize this wakelock.
http://forum.xda-developers.com/showthread.php?t=2519294

Related

is my phone or battery broken?

This is my second captivate that I got to replace my other one. The other one had amazing battery life and now that I have the new one, it" sucks".
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Yes definitely broken, burn it
Right. Someone who owns half a brain please respond.
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Guy, how about some details? Your sig says gti900 so your not on stock. How can any one help you with what you posted. Are you using the exact same configuration that you had on your last phone?
oh.... You hurt my feelings by the way
Same setup, actually with out the iverclock too. Im running phoenix now percison.
Sent from my GT-I9000 using XDA App
You are killing me
When did you flash
Have you calibrated your battery
Are you using the same kernel, modem
what have you tried to improve battery
How long does your phone last on full charge
Some details
mcord11758 said:
You are killing me
When did you flash
Have you calibrated your battery
Are you using the same kernel, modem
what have you tried to improve battery
How long does your phone last on full charge
Some details
Click to expand...
Click to collapse
Yes. Same everything. Tried calibrating battery. Everything that drains is off. Is it a faulty unit?
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There its always a chance
If your phone last 8-10 hrs then no you can improve by playing around. If it last like 5 hrs and you have calibrated and have gone through a couple bat cycles then maybe there is an issue.
Chances are, you need to play around
mcord11758 said:
There its always a chance
If your phone last 8-10 hrs then no you can improve by playing around. If it last like 5 hrs and you have calibrated and have gone through a couple bat cycles then maybe there is an issue.
Chances are, you need to play around
Click to expand...
Click to collapse
I know, im working on it, but I don't think it will do anythong
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Phone is hot after rooting

Hello all,
So I'm a noob when it comes to rooting, but I got through it fairly simply on my first go. All I've really done since is disable the annoying wifi available notification in the pull down bar. I've noticed however, that the phone has been getting pretty hot since then. Not sure if this is the right place to post, but any help would be appreciated.
Don't understand why just rooting would do that myself. Are you charging it when it gets hot? I know my old bionic would get wicked hot if i was tethering off of it and charging it. But just charging it along only slightly. It was using massive amounts oof battery, like tethering, while charging that induced the heat.
On the other hand though I still tether 5 or 6 people at a time on my S3 a night while charging and my phone barely gets warm. Pushing almost a gig of data a night. Maybe your battery is getting fried? What apps are you using most when it gets hot?
Sent from a GlaDos Baked Potato
I have the same issue but mine was getting hot when it was stock. It only gets hot when downloading a lot.
Please read forum rules before posting
Questions go in Q&A
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It was just sitting in my pocket...
Sent from my SCH-I535 using xda app-developers app
Was it searching for a signal? If you click on battery under settings then look at the graph....is there a lot of red?
That may have been it. I restarted the phone after bad let it charge that night. Today it hasn't happened to me yet. I'll keep this updated though.
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Eggsnbacon said:
Hello all,
So I'm a noob when it comes to rooting, but I got through it fairly simply on my first go. All I've really done since is disable the annoying wifi available notification in the pull down bar. I've noticed however, that the phone has been getting pretty hot since then. Not sure if this is the right place to post, but any help would be appreciated.
Click to expand...
Click to collapse
Let me take a wild-arse guess: you're running the VRLHD radio? If so: known problem - it's always hot.
How do I find out?
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Settings > About phone > Baseband version. FWIW IDK how well known of a problem this is. I'm running the VRLHD radio and my phone is never hot. Asked a few others who frequent d2vzw discussion and they were also unfamiliar. If you want to know for sure, grab a different radio from invisiblek's modem thread and try that.
http://forum.xda-developers.com/showthread.php?t=1788313
ratledge said:
Let me take a wild-arse guess: you're running the VRLHD radio? If so: known problem - it's always hot.
Click to expand...
Click to collapse
I never had heat issues running it...
Sent from my CleanRom'd Galaxy SIII
Well since posting, the problem hasn't occurred. So I'm at a loss.
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Just to add my 0.02. My phone always got super hot on the HD modem, if I switched back to any of the others it was fine and its fine now that it is on HE. It didn't matter is I was using WiFi or not it was just always super hot on HD.
Sent by one of my many Anthromorphic Personifications

Battery problems

Hello there,
I noticed that my battery really doesn't last long. It's been 100% full and now, 4 1/2 hours later, there are only 6% left. The weird thing about that is that I did not really used it during that time. WLAN has been turned on over that time, display was really dark, no backlight notifications or anything. Has anyone any idea how to fix this? (LG P940)
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can you give more info
can you give more info? info like- which android, how many mah (ex: 2000,1000). give that and i may be able to help you,...
Would be really awesome! Android version is 4.2.2, battery has about 1500mah (think it's 1540) and I'm using the cyanogenmod kernel. Do you need any more information?
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CookieMonzter said:
Would be really awesome! Android version is 4.2.2, battery has about 1500mah (think it's 1540) and I'm using the cyanogenmod kernel. Do you need any more information?
Sent from my LG-P940 using xda app-developers app
Click to expand...
Click to collapse
Thats not really much of a battery for the hardware,.. how old is it? Is this a recent problem, and when did you flash to CyanogenMod ?
To me it sounds like something is draining the battery pretty hard. Is the Wi-fi signal stable? Any processes under Apps>All, using excessive memory?
To me it sounds like you are having wifi/gps/bluetooth on all time, and if not, you should close ALL apps next time. Some running apps on your background could even drown your battery from 100% to 0% in less than 2 hours. Big apps or games cause the most trouble
Greetings,
Sent from my YP-GI1 using xda app-developers app
If this phone/battery is more than one and half year old, this could be just battery dying, like mine (LG P920, 2 years old, 1500mAh) is dying right now.
It can't last more than 6 hours lately, so i bought a new one.
A li-ion battery (standard models) just can handle frome 300 to 500 charging cycles, thus if tou charge your phone every day, battery life has about 18 months lifetime.
After, it just dies, more or less slowly.
Thank you all so far.
Bought the phone 1/2 year ago so this can't really be the problem. The battery has never been great but got worse about a month ago. I flashed it about 2 weeks ago and this didn't seem to influence the battery.
I always keep GPS and Bluetooth turned off (only turning GPS on when I go running, but I never noticed that this influences the battery either) and Wi-fi is pretty stable. As I heard that Wi-fi is really bad for the battery I tried turning it off as much as possible and so far it seems a bit better.
I also took a look at how much memory the apps use and saw that Facebook, Kingsoft Office and Whatsapp really need a lot. I think I will uninstall Facebook and KS Office then and see if this helps.
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CookieMonzter said:
Bought the phone 1/2 year ago so this can't really be the problem.
Click to expand...
Click to collapse
I presume you bought it new ("and sealed")?
Maps used to be a big problem for me running in the background. See which apps use Maps.
Yep, I got it completely new.
Okay, I'll check that, thanks.
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Also problem with battery
I had a similar problem, my battery got "sick" after I used my phone as a GPS during 2 or 3 days. the phone was quit warm during the navigation. After that The battery life was reduced from around a day to 9-10 hours. In addition when battery is around 20%, the phone just shut down due low-battery and as soon I turn it on, as soon it turns off!
The solution was to buy a new battery, but that is odd that using the phone as GPS navigator damages the battery so badly!
Btw, my phone is a HTC desire w/ Android 4.2
yah now i may be able to help you, download the antutu battery saver app from google (it requires root) it is a really good app and helped he last
my battery from 3 hrs to 7 1/2 hrs. if you don't have root access, then it is a prob. if you don't have, tell me and i will give you another solution which
does not require root
Thanks man, I just installed it, will write tomorrow how useful this App is.
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press thanks if worked and any more problems i'm there to help and am always happy to help
batery prblem
same wit me im havin galaxy grand my batery last 5hr wht 2100mh batery nly net i use...
So... I'm not quite sure where the problem was and what helped and what didn't but the only important thing is that my battery lasts a lot longer now. Thank you to everyone who tried to help so far
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Battery drain while charging

Hey guys, having a slight problem. For the past week or two no matter what I do, my phone has been dying while I'm using it on charge, even if screen is set all the way down and I'm just lightly browsing twitter or something. I've tried different charging plug-ins, even from my tablet, and the battery continues to drain! I flashed 2 different roms and tried multiple kernels and nothing has helped. Are there any suggestions? I have bars in my house etc. So it's not constantly searching for signal. Thanks
Sent from my SCH-I535 using XDA Premium 4 mobile app
Questions and Help issues go in Q&A and Help section
Thread moved
Thanks
FNSM
not charging
DreadCode said:
Hey guys, having a slight problem. For the past week or two no matter what I do, my phone has been dying while I'm using it on charge, even if screen is set all the way down and I'm just lightly browsing twitter or something. I've tried different charging plug-ins, even from my tablet, and the battery continues to drain! I flashed 2 different roms and tried multiple kernels and nothing has helped. Are there any suggestions? I have bars in my house etc. So it's not constantly searching for signal. Thanks
Sent from my SCH-I535 using XDA Premium 4 mobile app
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Click to collapse
I had the same thing,it was a bad charger..
phillipmckinnish said:
I had the same thing,it was a bad charger..
Click to expand...
Click to collapse
Figured it out! Stock cable was apparently bad... Now I have to use my short DROID cable
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Batter Drain fast.

Hello,
I running on 5.1.1
The phone discharges battery very fast I read a few posts about it in the forum but could not understand things I am new to android and would like NY battery life to give me at least 20hrs now its not even 4 hours which suck.
You'll are Pro here help me out. I have attaches the snap shot about my phone.
My phones rooted.
Thank you.
Tarun
Sent from my Nexus 5 using XDA Free mobile app
Bad flash?

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