Possible Bug? - Samsung Galaxy Nexus

Hello,
I'm having a problem with the wifi sometimes disconnecting when the phone is sleeping. I have checked the wifi settings and it is set to always stay on during sleep. This only started happening when I updated to 4.2.2 (CM Nightly).
Any thoughts?

In trickster mod try enabling WiFi high performance
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Related

wifi sleep problem...

Hi all,
I have 4.0.4 stock gnex.
My wifi settings are this:
Settings->Wifi->(Menu Button)->Advanced. It's listed as "Keep WiFi on during sleep"
When the phone go to sleep the wifi seems to stop, I am downloading an app
from the market, when the phone go to sleep, the download sleep.
Not to doubt you on this but does it also say "Always" beneath the "Keep Wifi on during sleep"? If so, perhaps you have an app that overrides that and disables it.
I have no app that can do it.
Hi, I just tested and had no problems downloading a 50 meg game with screen off.
From honeycomb on google changed how wifi was handled when screen is off. This gives similar problems with older applications but should not be a problem for apps made by Google like Play and Music.
You still did not answer the previous posters question. You reference the advanced wifi setting but not what it is set to.
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atkhobby said:
Hi, I just tested and had no problems downloading a 50 meg game with screen off.
From honeycomb on google changed how wifi was handled when screen is off. This gives similar problems with older applications but should not be a problem for apps made by Google like Play and Music.
You still did not answer the previous posters question. You reference the advanced wifi setting but not what it is set to.
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
It's obviously set to always
People have had issues with the setting you choose in that menu not sticking. Try toggling it back and forth and doing some reboots. I don't have the issue on 4.0.4.
From what I understand, when the screen turns off wifi goes into a low power state, draining less battery when on standby. So it greatly reduces the speed (sometime pauses) of all connections to save juice.
KiNG OMaR said:
From what I understand, when the screen turns off wifi goes into a low power state, draining less battery when on standby. So it greatly reduces the speed (sometime pauses) of all connections to save juice.
Click to expand...
Click to collapse
I understand if it slowed down, but it shouldn't ever pause though.
This low power state is what I referred to in my previous post. An app must now explicitly request that high power wifi mode is retained when screen is off. All apps from google should be doing this already.
Unprofessional app developers that have not been reading up on the latest changes in android api (like Audible!!! shame on you) will have major slowdowns downloading over wifi when the screen is off.
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I have the exact same problem as posted here And I may have found the solution at this other link here.
What seems to be working for me is the change the "Keep Wi-Fi on during sleep" to "Never (increases data usage)". That totally does not make any sense to me. If you 'never" keep wifi on during sleep it should *not* increase data usage. Anyway, I have noticed two things:
1) If I set it to "Never," the files continue to transfer when the screen goes to sleep
2) Wifi transfer rate seems to be *much* faster on my home network. I'm using ES File Explorer, so it could be app related.
Just discovered that according to Google, "Never (increases data usage)" means that it will not stay connected to WiFi while asleep which will increase your 3G/4G data usage. Never the less, it seems my Wifi is better when set to "never"
I wrote an article about wifi usage on my blog here: http://zapek.com/?p=262
You shouldn't worry about PS-Poll mode. It's fine for downloads usually as they don't require a fast interactive response.
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KiNG OMaR said:
From what I understand, when the screen turns off wifi goes into a low power state, draining less battery when on standby. So it greatly reduces the speed (sometime pauses) of all connections to save juice.
Click to expand...
Click to collapse
this could be a possible reason, in my office wifi is not really powerful,
a low power state can disconnect the wifi.
I'm checking better the problem, it seems that the wifi goes into some sort of
energy saving mode when the screen is off that drop my wifi speed.
Is there a way to solve this problem?
it seems that I'm not the only one with this problem-
http://productforums.google.com/forum/#!topic/mobile/DJTwAutjsIQ
so no solution to this problem yet ?
sblantipodi said:
it seems that I'm not the only one with this problem-
http://productforums.google.com/forum/#!topic/mobile/DJTwAutjsIQ
Click to expand...
Click to collapse
This is not the same problem that you have. The thread you link to is about general download problem with screen off. Your problem was about downloading from the market while screen is off.
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atkhobby said:
This is not the same problem that you have. The thread you link to is about general download problem with screen off. Your problem was about downloading from the market while screen is off.
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Click to expand...
Click to collapse
sblantipodi said:
Click to expand...
Click to collapse
In your original post your wrote that you had problems downloading from the market with the screen off.
The android market is a google app and should not have the problem discussed in the thread you linked to.
The problems in the thread relates to applications that have not yet been updated to support power saving features in resent android versions.
So your problem is not the same.
I did write this in my previous posts from may 25. but maybe it was unclear.
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atkhobby said:
In your original post your wrote that you had problems downloading from the market with the screen off.
The android market is a google app and should not have the problem discussed in the thread you linked to.
The problems in the thread relates to applications that have not yet been updated to support power saving features in resent android versions.
So your problem is not the same.
I did write this in my previous posts from may 25. but maybe it was unclear.
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Click to expand...
Click to collapse
the problem is present in all apps, google one and non google one so you don't understood the problem
sblantipodi said:
the problem is present in all apps, google one and non google one so you don't understood the problem
Click to expand...
Click to collapse
Hey its no problem. It's only that this is the first time you state that you have problems with all apps.
I still don't understand why you have problems downloading apps though. I have tested and do not have this problem BUT I do have the problems with most other 3rd party apps.
Anyway there is a fix that probably will help you. Download "WIFI High performance' widget from the market. Add the widget and enable it. Good luck.
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Bluetooth issues jellybam

Hi I run jellybam rom which has settings from aokp and cm 10. I have a bluetooth issue. Can connect it to the portable speaker I have bit after like 10 seconds the audio quality drops significantly. Get like buzzs and clicks then stops playing for a fraction of a second every like 30 seconds then continues.
Any help would be awesome.
I'm running 5.2 jellybam and worked fine on 4.3.
Jellybean version is 4.2.1
Sent from my SGH-I747 using xda app-developers app
Tried a different kernel thinking of moving to rootbox. Which rootbox version would be advisable. I've read the vanilla rootbox thread still not sure what the difference is. More or less features?
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I think the Vanilla Rootbox might have more features, i have no experience with the other one but Vanilla Rootbox is a great rom.
Here's the link: http://forum.xda-developers.com/showthread.php?t=2083922&page=57
and here's the support thread: http://forum.xda-developers.com/showthread.php?t=2116781&page=21
Gonna have to search and see if vanilla rootbox has any bluetooth issues. Been reading up and found that all 4.2.1 roms have bluetooth issues
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hey did you ever get the issue resolve? I am having a similar if not worse issue. My bluetooth and wifi won;t start. So I had jellybam installed for a while, ver 6.4 I believe, the wifi and bloetooth always worked fine before. Then one night I left it plug in charger. Woke up next day, phone would not turn on at all. Battery would not charge either. I did a battery pull and still battery would not charge and phone would not turn on. I switch to my Anker battery, then it would charge and eventually turn on. Switched to my OEM battery, it started charging again. Phone turn on fine. Later the day noticed my wifi and bluetooth would not turn on, it would just hang with message "bluetooth turning on".
I tried to installed another rom and re install jellybam and still bluetooth and wifi would not work.

Baseband xmm power wakelock

Under kernel wake locks on Better Battery Stats I have a huge wake lock on the baseband.
Any ideas on how I can fix this? Thanks.
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IIRC you are too far away from your wifi router. Or you are in a bad reception area. For the first, get closer. For the second, not many options but try switching to 2g only.
See here for more
http://forum.xda-developers.com/showthread.php?p=15869868
Thanks for the reply. My WiFi is full strength and my reception is fine normally.
This happens even in 2G. It also happens with full bars, 3G.
Any ideas? I made this thread because I'm truly stuck.
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Having the same exact problems after I flashed ICJ/CM.
4 hrs on battery and baseband has kept the phone awake foe 1 hour.
Exactly same problem here! Only happens over Wifi but i have full signal. Would love to know what i can do, tried all the usual tips ie location etc.
shaw23 said:
Exactly same problem here! Only happens over Wifi but i have full signal. Would love to know what i can do, tried all the usual tips ie location etc.
Click to expand...
Click to collapse
Hi.
A bunch of us have this issue on the Nexus 7 3G. It happens when you use WiFi and has nothing to do with poor reception as it continues once you turn off WiFi. It also has nothing to do with 2g/3g as it happens to us without sim cards and on airplane mode. It's very annoying and causes huge drains in the battery!
Please star and comment (very important to star) here, and hopefully Google will notice - http://code.google.com/p/android/issues/detail?id=42993 .
Thanks!
Flashed CM 10.1 B6 yesterday and the problem seems to have disappeared. 50 mins of wakelock from baseband after 10 hrs.
what is this wakelock about?
I've lost 20% of battery overnight after charging.. and these wakelocks are preventing my One X from deep sleep? What can I do to stop this? Very frustrating..
are there any new workarounds for this problem? does this also happen on stock rom with stock kernel for you?
Same issue here on ICJ. Can't get more than maybe 1-1,5h of screen on time because of that stupid wakelock draining all the battery in sleep.
try flashing a different radio maybe it will help
anybody solved this problem? I tried the latest CM 10.2 nightlies (android 4.3) and got into this problem. I also have the same problem using stock 4.2.2.
dimi_dimi said:
anybody solved this problem? I tried the latest CM 10.2 nightlies (android 4.3) and got into this problem. I also have the same problem using stock 4.2.2.
Click to expand...
Click to collapse
it is fixed in this kernel (stock only) #010
http://forum.xda-developers.com/showthread.php?t=2586808

[Q] Trinity Kernel Deep Sleep issue

I've recently installed Trinity kernel to my toroplus and performance seems to have improved but the device isn't going into deep sleep. I've gotten a GPS lock but that hasn't helped. Any thoughts?
Come on, anybody?
You would do better to bring this to the Trinity Kernel thread.
Try flashing these GPS drivers, it says Verizon wireless but I flash them every ROM I use and I'm on toroplus:https://copy.com/fkBy3
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CRIME INC. said:
Try flashing these GPS drivers, it says Verizon wireless but I flash them every ROM I use and I'm on toroplus:https://copy.com/fkBy3
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Well my GPS is locking a lot faster now, so thank you! But still no deep sleep. Sucks because the performance is really great, but without deep sleep the battery is obviously unusable.
Download deep sleep battery pro app

Wifi problem

Hi, i am running cm12.1 with xceletate and I am facing a problem wirh the wifi. In battery usage wifi appears enabled all the time although it is disabled. I am also not using it when I turn gps on. What could be the problem?
Thanks
wifi disconnects in inactivity
i have also same problem can anyone explained?
Its a bug in lollipop/CM12.1. Lollipop is still has a few bug issues to work out.
It does not happen with CM11 r26 which I'm using. r27 is the latest.

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