I'm running on stock 4.1.2 and mobile data is always turned off. "Keep Wi-Fi on during sleep" is set to "Only when plugged in" so the phone should only connect to Wi-Fi when it's in use. It seems that the phone periodically connects to Wi-Fi even though it's been idle for extended periods (e.g. an hour) because it's able to deliver notifications (e.g. gmail and hangouts). Other Android devices that I have, including Nexus devices with the same settings don't deliver notifications until they are "awoken".
This might also explain where a lot of battery goes. Does anyone else experience this and does anyone know if other phones/brands/models behave like this?
I presume you got an app that keeps waking the phone up every so often. Which then enables Wi-Fi to activate. Or an app stopping your device from sleeping properly. If phone is on charge then Wi-Fi on all time.
Wrong forum by the way Q&A forum.
Sent from my GT-I9300 using Tapatalk 2
Thanks for the reply and sorry for posting in the wrong place.
I installed Wakelock Detector and I can seen numerous "CPU wakelocks" and "wakeup triggers" but no "screen wakelocks", so I didn't expect a Wi-Fi connection to be made unless I turned the screen on and started using the phone? Perhaps I misunderstand the meaning of "Keep Wi-Fi on during sleep", especially the meaning of "sleep"? And, it still doesn't explain why other devices with the same apps installed don't behave this way. That's why I wondered if it was something to do with mods that Samsung have made to the software?
Markanski said:
Thanks for the reply and sorry for posting in the wrong place.
I installed Wakelock Detector and I can seen numerous "CPU wakelocks" and "wakeup triggers" but no "screen wakelocks", so I didn't expect a Wi-Fi connection to be made unless I turned the screen on and started using the phone? Perhaps I misunderstand the meaning of "Keep Wi-Fi on during sleep", especially the meaning of "sleep"? And, it still doesn't explain why other devices with the same apps installed don't behave this way. That's why I wondered if it was something to do with mods that Samsung have made to the software?
Click to expand...
Click to collapse
The meaning of "Sleep" in Android is when the CPU is in a mode called deep sleep, the device is set to a really low power setting so it will just run, apps can wake the device up ie take it out of deep sleep if they need to sync with a server, etc and this is what a wake lock up, an app waking the device up, and as the device is out of deep sleep for those few seconds it can switch wifi on, I personally keep wifi and mobile data on all the time so I don't know much about it.
Thanks, it looks like I have misunderstood the meaning of "sleep". I do have apps that would run periodically.
For example I use SugarSync, which I have set to only backup while on Wi-Fi and when the device is plugged in. I assume that it will have a timer set (or cron job in the old speak) so that the app can run and check for the required conditions before attempting to backup? I guess when this happens, Wi-Fi might connect and any other app that wants Wi-Fi (like Gmail or Hangouts) would take advantage of the connection? I suppose that my older devices (that run Android 2.3) might not have time to connect and so don't get the notifications that the Galaxy S3 does?
Related
I have a GTab runn Vegan 5.1 and it runs great. The one issue that I have is that my Wifi gets disabled each night when it goes to sleep. When I say "disabled" I do not mean this it disconnect, but rather that something is actually putting it into a "Disabled" state and I must select the connection and choose to enable it.
Does anyone have any thoughts on what could be doing this? I have dug through every setting I can think of and also looked at any apps that might be doing this. I even went so far as to remove all my battery saving apps, but no dice.
Any suggestions?
kmclaren said:
I have a GTab runn Vegan 5.1 and it runs great. The one issue that I have is that my Wifi gets disabled each night when it goes to sleep. When I say "disabled" I do not mean this it disconnect, but rather that something is actually putting it into a "Disabled" state and I must select the connection and choose to enable it.
Does anyone have any thoughts on what could be doing this? I have dug through every setting I can think of and also looked at any apps that might be doing this. I even went so far as to remove all my battery saving apps, but no dice.
Any suggestions?
Click to expand...
Click to collapse
Settings - Wireless - Wireless Settings - (Press Soft Menu Button, you will see Scan and Advanced buttons popup) - Advanced - Wifi Sleep Policy - Never
Still getting Wifi disabled...
MasterColdSoul said:
Settings - Wireless - Wireless Settings - (Press Soft Menu Button, you will see Scan and Advanced buttons popup) - Advanced - Wifi Sleep Policy - Never
Click to expand...
Click to collapse
Have the sleep policy set at never and this does not change anything. From what I understand this setting will disconnect wifi when the device goes to sleep. In my case the connection is not disconnected but rather completely disabled. So it seems that there is some other thing disabling the connection.
So, to give a bit more info here, I have installed wifi keep alive to try and save the connection. This keeps the wifi from being disabled when it is plugged in, but it still gets disabled when it sleeps and is also unplugged. (I.e. on battery and sleeping)
So, I am starting to think that the setting that fixes the problem while pluggedin is settings / applications / development / stay awake. I have this turned on and it seems that with stay awake and the wifi keep alive I am good when plugged in.
So, does anyone have thoughts for a similar setting when on battery power?
I can't help to much with battery power since I almost always have mine plugged in.
It's odd that not helping you, once I made that chance I stopped having my Wifi turn itself off (not sleep, off, and the tablet would need to be reset a lot).
Sorry that wasn't much help.
Having this problem as well. Anyone know how to fix?
If you notice other weird stuff happening in the future you may need to repartition your internal memory. Mine started with similar flubs and progressed to never remembering logins online. I had to login to xda every time I turned my device back on. Keep this in mind, about 30% of people need to reformat.
Sent from my Chromatic Magic using XDA Premium App
"WiFi stay alive" will help you!
Mantara said:
If you notice other weird stuff happening in the future you may need to repartition your internal memory. Mine started with similar flubs and progressed to never remembering logins online. I had to login to xda every time I turned my device back on. Keep this in mind, about 30% of people need to reformat.
Sent from my Chromatic Magic using XDA Premium App
Click to expand...
Click to collapse
can you give some info as to how one would go about doing this?
For what its worth, might help to set a fixed IP address. I often got a problem with Wifi not being able to reconnect because it got stuck on "getting an IP address" and failed to do so. I seem to remember it disabled the connexion to that AP after too many tries on my Nexus One.
On my g tablet, I was having what seemed to be the same problem, so I did the same thing and it seems stable since. Granted I didn't toy with it as much as I did on the N1, but I wouldn't be supprised if it were a general Android problem.
Anyways, its free to try.
The wireless uses a lot of power. When the tablet "sleeps", it should go into a power saving mode. Disabling the wireless is a feature, not a bug.
Either way how can I keep the wifi signal on so when i wake my g tab up the wifi is ready to go and does not have to reconnect?
anyone have anything to help with this?
I am not sure, but it seems to me that downloaded apps can play with wifi this way, as long as they have rights to "access internet, modify and bla-bla-bla".
I am having same problem after sleep. And it was not present from the beginning. It may starts after I upload some app. I will play with this after coming back home.
yes please let us know thank you!
wasserkapf said:
The wireless uses a lot of power. When the tablet "sleeps", it should go into a power saving mode. Disabling the wireless is a feature, not a bug.
Click to expand...
Click to collapse
When my tablet is plugged in and it goes to sleep, the Wifi also disconnects, so I don't think this is a feature any more than the screen angle issue is a "privacy feature." I've never had an Android device that powered down connectivity when the screen goes off, that totally negates the notification features. You basically have a comatose tablet after a few minutes of the screen being off.
I don't think the Xoom or Galaxy Tab have this problem, so there's definitely an issue. Sadly, I might be sending mine back to TigerDirect as faulty because of this.
I have this problem too. As others have said, the problem isnt that the wifi turns off when the tablet sleeps. The problem is the last connected access point gets disabled so when you wake, you have to go into settings and tell it to connect again.
In my case, it happens most of the time, but not always. My Android phone doesnt have this problem.
I did a factory reset, then used nvFlash to restore, and then did a fresh install of Vegan (thought it did the same on every other 2.2 ROM I tried). I didn't install any apps, and the problem still occurs. Tried using Wifi Fixer, and the problem still occurs (though on the bright side, it does reconnect about 10 seconds or so after waking).
I'm out of ideas. I hate to send this thing back because it's the most fun piece of tech I've had in years, but a comatose Android device is a dealbreaker Going to try a GB ROM, and then I give up.
I've got the same kind of issue. I lose my PSA key in my wireless settings every time and have to re-enter it.
I installed the Vegan GB ROM (along with pershoot's kernel), and the wifi stays on if you choose "Never" for wifi sleep (you have to hit the menu button and choose "Advanced" when you're in the wifi settings). Only problem is, the GB ROMs, while zippy, are a little raw right now, and my Launcher Pro GMail widget doesn't work
I'm going to try one of the 2.2 ROMs again today along with pershoot's Froyo kernel to see if it makes a difference.
Ok, YMMV, but I am using Calkukin's ROM with pershoot's kernel (was using Clemsyn's before), with wifi set to never sleep, and my wifi doesn't sleep any more. I left my phone and tab here at work while I went out for lunch (felt naked ...), and came back about 45 mins later, woke the tab, and wifi was still connected, without that "looks connected, oh the icon is now disconnected, oh it's back again!" bit.
I still receive notifications and email, and widgets update. Guess I'm keeping it
Sorry if this has done the rounds, but im new to forumn and none of the posts seem to have all my symtpoms.
I bought a few weeks ago a tf201. everything is great, bar two points.
1) - battery life is emmense when docked on the keyboard and in use, and undocked. BUT when i leave it docked it just seems to refuse to go to sleep and manages to chew up just about all the battery overnight. from the battery monitor in settings the wifi and screen stay on overnight so it loose 5-10% or so an hour.. not great
2) not sure if this is related to the above, but again only happens when docked. if it does go to sleep (i think). when i come to wake it, nothing happens. in the end i have to press the power and volume buttons to reset it, then it wakes back up again. interestingly when its dones this it doesnt appear to have lost much battery charge.
So it seems that either it doesnt want to sleep, or if it sleeps, it sleeps a little too much.
im running the latest OTA ICS update as of last week and havent got that much installed widget wise etc. Ive been pouring over the forums for people with similar issues and the nearest i can find is people recomending using flight mode apps to keep the tablet from completely sleeping. this sort of works but the batteries then need charging every 2-3 days, which is better than daily but not great.
any pearls of wisdom as this for me is ruining an otherwise great device...
ianc24 said:
Sorry if this has done the rounds, but im new to forumn and none of the posts seem to have all my symtpoms.
I bought a few weeks ago a tf201. everything is great, bar two points.
1) - battery life is emmense when docked on the keyboard and in use, and undocked. BUT when i leave it docked it just seems to refuse to go to sleep and manages to chew up just about all the battery overnight. from the battery monitor in settings the wifi and screen stay on overnight so it loose 5-10% or so an hour.. not great
2) not sure if this is related to the above, but again only happens when docked. if it does go to sleep (i think). when i come to wake it, nothing happens. in the end i have to press the power and volume buttons to reset it, then it wakes back up again. interestingly when its dones this it doesnt appear to have lost much battery charge.
So it seems that either it doesnt want to sleep, or if it sleeps, it sleeps a little too much.
im running the latest OTA ICS update as of last week and havent got that much installed widget wise etc. Ive been pouring over the forums for people with similar issues and the nearest i can find is people recomending using flight mode apps to keep the tablet from completely sleeping. this sort of works but the batteries then need charging every 2-3 days, which is better than daily but not great.
any pearls of wisdom as this for me is ruining an otherwise great device...
Click to expand...
Click to collapse
Maybe try setting WiFi on sleep to never under the advanced WiFi settings?
Sent from my PG86100 using xda premium
Email Accounts set to "push"
Email clients connecting to Exchange usually have a "push" option that continuously syncs with the mail server. Some of them (like Touch down which is what I use) allow you to set off work times when it won't be polling the server so I set it not to poll between 10:00 PM and 6:00 AM.
Also, look at the accounts and sync area in the settings and see what other stuff is being synced. I had no idea until I looked just now how much stuff is getting synced under my gmail account. It's not just mail and calendars like I thought but also a long list of other things.
Then, looking under "Backup and Restore" in the settings, I'm seeing that it's doing a "backup app data, wifi passwords, and other data to google servers". I'm assuming that means all my mail etc. When I first set up the tablet a couple of days ago I noticed that all the wifi connections from my Droid 3 showed up so that was the first time I realized that my phone must be doing this too...
That's a security issue in that by my employer's rules, sensitive company data isn't supposed to be stored on other people's servers so my exchange data really should not be backed up to google. And it doesn't make any sense to do that anyway. If one of my devices dies and gets replaced, when I configure the account on the new device, all the data will sync from the mail server anyway.
The point being that I'm discovering that there is a huge amount of stuff being synced from my android devices that I didn't even realize. That could be bogging down the network (particularly if on a connection that's slow to begin with) and also causing battery drain.
I'm experimenting with turning a lot of stuff off that I don't figure I need - both for the phone and the tablet - to see what difference it makes.
ratman6161 said:
Email clients connecting to Exchange usually have a "push" option that continuously syncs with the mail server. Some of them (like Touch down which is what I use) allow you to set off work times when it won't be polling the server so I set it not to poll between 10:00 PM and 6:00 AM.
Also, look at the accounts and sync area in the settings and see what other stuff is being synced. I had no idea until I looked just now how much stuff is getting synced under my gmail account. It's not just mail and calendars like I thought but also a long list of other things.
Then, looking under "Backup and Restore" in the settings, I'm seeing that it's doing a "backup app data, wifi passwords, and other data to google servers". I'm assuming that means all my mail etc. When I first set up the tablet a couple of days ago I noticed that all the wifi connections from my Droid 3 showed up so that was the first time I realized that my phone must be doing this too...
That's a security issue in that by my employer's rules, sensitive company data isn't supposed to be stored on other people's servers so my exchange data really should not be backed up to google. And it doesn't make any sense to do that anyway. If one of my devices dies and gets replaced, when I configure the account on the new device, all the data will sync from the mail server anyway.
The point being that I'm discovering that there is a huge amount of stuff being synced from my android devices that I didn't even realize. That could be bogging down the network (particularly if on a connection that's slow to begin with) and also causing battery drain.
I'm experimenting with turning a lot of stuff off that I don't figure I need - both for the phone and the tablet - to see what difference it makes.
Click to expand...
Click to collapse
The exchange DATA, meaning your actual mail does not get backed up explicitly anywhere with vanilla Asus/Google ICS Firmware. What it backs up is account settings, and the options you select. Backing up all your mail would be awesome (under the right circumstances, such as when you need that backed up, and some apps will do so, but generally for a fee.
OP, for battery concerns, make sure that in settings, Asus Customized setting that "Mobile Dock Battery Saving and "Disconnect network during sleep are both selected. The latter option stops most or all synching when sleeping.
It sounds like you are experiencing SOD (Sleep of Death) not quite as horrible as it sounds, but if you have to push power button and or/ Power + Volume for 8-10 seconds to get it bac, does it then vibrate and reboot, or just come back to the Homescreen imediately? If it's the first one, look up SOD. I have had only ONE event since .28 rolled, and before that perhaps a dozen on .21, and NONE before that so it's due to SOME recent changes to firmware, at least in my case. Interestingly, I was able to stop it on .21 by disabling the same option we have been discussing. The two battery savers in Asus customized, and WiFi, Advanced: "Keep WiFi on during sleep" (You have to hit the "three dot" menu and choose advanced from WiFi Settings.
Anyway keep us posted, and let me know if you have SOD, or just a deep sleep - if you REALLY want to know how often and how long your tablet spends in deep sleep get CPU Spy (no root require, I believe) and after several hours, it will let you know what the CPU has been doing, for what percent of that time. it is an AWESOME way to determine how much deep sleep you are experiencing with the device.
My battery is not really satisfying.. though i uses only 15% brightness, it sucks up my battery like hell... 10% decrease in an hour... is this normal?
Sent from my Transformer Prime TF201 using xda premium
skarfreak said:
My battery is not really satisfying.. though i uses only 15% brightness, it sucks up my battery like hell... 10% decrease in an hour... is this normal?
Click to expand...
Click to collapse
10% in one hour of using?? so 10 hours???
I guess you should be more than satisfied........:good:
possible win
Many thanks for the suggestions.
I think i was get the dreaded sleep of death as when it slept to 'wake' it i had to reboot it.
Ive run through all the suggestions here + a few suggestions from the forumns, setting wifi to never, adjusting the dock battery usage, checking my sync options. In sheer frustration i removed all widgets and removed a shed load of apps (both pre-installed and ones that i had installed) installed cpu spy and tested. interesting that it appears to be ok now. charged the dock and transformer up on firday night and its still got juice today, all be it that dock is nearly dead and the transformer has 80%+ thats with 2-3hrs use every day and obviously sleeping...
one thing i did note. when it was docked before and 'sleeping' in the transformer battery was low it would charge for long period when it was sleeping? it doesnt seem to do that now. if the transformer battery is low and i sleep it. the power \ charge light stays on for 10-15 mnutes then goes off.. so def looks like something was keepign it awake.
go to settings/asus customized settings and scroll down to battery saving and check the two power saving settings :good:
Please explain me, I just dont understand the settings. What's the difference between 3 options: always, only when plugged in, never? I see that regardless of either option WIFI stays on during sleep. It is clearly seen from statistics. So what's the use of it?
Come on people, I can't believe nobody cares. Did I ask something stupid?
Moonsower said:
Come on people, I can't believe nobody cares. Did I ask something stupid?
Click to expand...
Click to collapse
well perhaps no one have seen your post.
anyway, i just saw that feature a while ago, and i think what it means is:
when your phone screen turns off (your phone is asleep because you're not using it), wifi connection gets disconnected -- to conserve battery.
the options are:
always (default) - will keep wifi connection turned on, no matter what
only wen plugged in - well, wifi connection will keep on ONLY when the device is plugged in.
never (increases data usage) - as soon as the device sleeps, it will disconnect from wifi, and possibly conneted to data network, hence the warning.
Moonsower said:
Please explain me, I just dont understand the settings. What's the difference between 3 options: always, only when plugged in, never? I see that regardless of either option WIFI stays on during sleep. It is clearly seen from statistics. So what's the use of it?
Click to expand...
Click to collapse
1. Always on even if screen is off (DS WiFi ON)
2. Only when charging WiFi is still on (DS WiFi ON while connected to USB or AC charger and DS WiFi OFF when disconnected from external power source)
3. Never online while in deep sleep - disconnecting WiFi in Deep Sleep (DS WiFi OFF)
Wysyłane z mojego GT-I9300 za pomocą Tapatalk 2
Dear friends. Thank you for your replies but I suspect you didn't get the point. Again, regardless of one of these three settings WiFi is still ON during sleep. Try to set it to "never" (given that global WiFi switch is on of course, thus it should go to sleep along with device), disable your mobile data and run Skype for example. After your phone has fallen asleep you still online in Skype and available to receive calls. You're still on WIFI! It doesn't switch off when phone sleeps!
I know this is an old thread but did you manage to figure this out? This has recently been bugging me too. Thanks!
If wifi doesn't disconnect when it's set to "never", maybe your phone doesn't go to deep sleep properly.
It'd be good if we could read somewhere what this "deep sleep" really is..
Moonsower said:
It'd be good if we could read somewhere what this "deep sleep" really is..
Click to expand...
Click to collapse
Google it is always the best .
jje
jnr21 said:
If wifi doesn't disconnect when it's set to "never", maybe your phone doesn't go to deep sleep properly.
Click to expand...
Click to collapse
I agree! phone may not go in deep sleep even after switching off screen.
And also also this question is really not stupid, but I say google is stupid, that he assume we have a data plan active always. I have wifi at home and office, so am not activating data plan. So I was having the same question/confusion about this option!
Keep wifi on during sleep -> never, so how come it increase data usage?? data means not data transferred through wifi but sim card internet!! Ha ha ha..
Google should clarify it that when phone is connected to wifi, it will not use sim card internet, but if wifi is off and mobile data plan is active, android will use sim card internet.
Also I'd like to add that wifi signal itself is not eating much memory, but in most of case, fb/gmail/google+/twitter etc which are always internet crazy (hungry) will not let your phone asleep. and they eat memory. if wifi is off then we can have two option, 3G and 2G phone internet. 3G signals eat more battery, and 2G internet use more battery because of slow speed.
Background activities option came in picture with invention of smart phone, but always misused by google+ and facebook!!!!
I always hate fb android app, it is too slow in 2G and surfing site in Opera mini is way too fast and handy, anyway that was my taste.
Take a look at green power app as this handles 3g/WiFi connectivity very well. Much better than juice defender
Sent via TCP/IP
I have never been able to figure this out and it has been pissing me off. For some reason when I have Wi-Fi on I have a massive amount of wakelocks. With Wi-Fi off I did not. This has led me to try to disable Wi-Fi in sleep mode. I have it set to NEVER.
Even though it is set to NEVER, Wi-Fi but will active when I have a wakelock. It just reactivates itself even though I have it set not to do so. It reactivates and then my phone wakes up.
So is there any way to log what app is using Wi-Fi and waking up my phone all the time? I don't know why Wi-Fi won't sleep with my phone.
If you are rooted try BetterBatteryStats, otherwise it will be hard to find the reason for the wakelocks.
chrismast said:
If you are rooted try BetterBatteryStats, otherwise it will be hard to find the reason for the wakelocks.
Click to expand...
Click to collapse
Thanks. I have been using that. But I can't narrow down what is using my wifi. I even turn off location services.
This only happens because of wifi. Some services or apps are waking the phone up like crazy because they know Wifi is available. But if Wifi is off the phone doesn't wake up as much.
SlimJ87D said:
Thanks. I have been using that. But I can't narrow down what is using my wifi. I even turn off location services.
This only happens because of wifi. Some services or apps are waking the phone up like crazy because they know Wifi is available. But if Wifi is off the phone doesn't wake up as much.
Click to expand...
Click to collapse
did you check what apps do syncs for data? maybe you can check the period & wakelocks in betterbatterystats when wifi is turned on, the apps should show up or not?
What Router do you have?
Many times, the fault lies with your router.
Try changing Beacon interval and DTIM interval.
Can we have the specific name of the wakelock please?
my GS9+ is on the verizon network if that matters.
In the last 4-5 weeks my notifications, especially those with sound have become severely delayed. It is especially noticeable with apps such as:
SmartThings (when doors open and close at)
Nine (Exchange email)
HikVision Connect (Doorbell camera motion notifications)
It seems to happen more often when on wifi, but i can't confirm that.
When I get up at work from my desk it is like the phone wakes up and all of the sudden I get 5-10 notifications all at once. This also happens at home. It is like the phone wakes up and catches up with a bunch of notifications that it forgot to report.
SMS notifications don't seem to ever be delayed.
Was there a software update or app update that someone knows that might be causing this problem?
Granted I don't have Verizon at all, but my s9+ isn't having any notification issues.
Did you try disabling battery optimization? I turned mine off so that the phone wouldn't put apps to sleep and etc. Power savings for wifi turned on? If so try making sure that's turned off so your phone stays connected to wifi when the screen is off.
Any of the power savings mode enabled or other power savings apps you may have installed?
Mobile data plan permitting try running the phone on mobile data only (no wifi) to see if the issue happens as well.
Are there other apps effected by the issue your having? If a select number of apps are effected (and others are not) try getting in touch with the app developers and let them know what is going on.
scottusa2008 said:
Granted I don't have Verizon at all, but my s9+ isn't having any notification issues.
Did you try disabling battery optimization? I turned mine off so that the phone wouldn't put apps to sleep and etc. Power savings for wifi turned on? If so try making sure that's turned off so your phone stays connected to wifi when the screen is off.
Any of the power savings mode enabled or other power savings apps you may have installed?
Mobile data plan permitting try running the phone on mobile data only (no wifi) to see if the issue happens as well.
Are there other apps effected by the issue your having? If a select number of apps are effected (and others are not) try getting in touch with the app developers and let them know what is going on.
Click to expand...
Click to collapse
I'm on Verizon. Similar deal. I let a system update get applied "Just security patches, no big deal", and it broke some of my notifications. Not all of them. Just some of them. I thought this was early Sept, but might have been in late Aug.
It's "doze". It used to only happen if your phone sat still for 20 min, but it was supposed to wake up with movement. Now mine kicks on after 3 min and movement doesn't impact it at all. You are supposed to be able to whitelist apps you don't want put to sleep, but it seems to be ignoring that setting for some of my apps. After three min I can send my phone a message, and it won't alert me at all. It's not until I turned on the screen, that they all come rolling through.