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I set up the WiFi standby rules to "never", so wifi should be always on even when my device is in standby mode.
This worked very good at the beginning, but since some days WiFi is NOT kept alive. As soon as the device is going into sleep mode i will lose WiFi connection. The WiFi standbye rule is still correctly set to "never".
Thats really lame because i use locale to update my RSS Feeds at home over WiFi on certain time slots. But i get no updates since wifi is not active when the device is sleeping.
Anybody an idea what the problem is? As i said it worked for 2 weeks and suddenly its not working anymore.
Won't that drain the battery to Kingdom Come if you do leave it on on standby? I used to do that on the Tytn II I used to have, and the battery died after 2 hours!
samo.chan said:
Won't that drain the battery to Kingdom Come if you do leave it on on standby? I used to do that on the Tytn II I used to have, and the battery died after 2 hours!
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Click to collapse
well i wouldn't say 2 hours, should be more than that. But i'm only activating wifi at home, and at nights my device is plugged to ac adaptor. So battery is not an issue in my case, and i want to use the better bandwidth at home. I just dont know why is suddenly stopped working...
Settings > Wireless controls > Wi-Fi Settings > Menu > Advanced > Wi-Fi sleep policy. When finished press Menu and then Save. Done.
The "Menu Button to save" Hint did it! thanks!
I always chose the option, but forgot to save via menu button and pressed the back button.
The strange thing here is: when i was coming back to this menu later it would still show the correct setting (WiFi always on), even though i hadn't saved it via menu button. But it wouldn't work, because wifi would be deactivated.
The back button will save your last selection, but won't activate the option!
This is really one of Androids problems: you just don't have one standard way of interacting with the system on many levels. Sometimes "back" button is enough (or the only way) to store your data, other times you have to press hardware buttons to save...
hmm the problem seems to be elsewhere: today in the morning the connection was lost again when i took the phone out of sleep mode. i could see the wifi icon, but the apps couldnt connect to the net (my rss feeds hadn't been updated).
Seems like each time i deactivate wifi manually (when leaving home) the wifi rules settings will be lost, and i have to change the wifi rules again and save the settings. Otherwise wifi won't be kept alive...that's really annoying.
maybe i have to download the "keep wifi alive" app after all from the market...
What make and model is your AP?
it's a netgear router, i will check the exact model today and post it here.
hmm i forgot to check the model, but i changed my router settings yesterday.
the router was set to disconnect after 60 minutes, when the connected device is not using the connection.
i changed that, so the connection is not reset at all, but still as soon as my device goes to sleep mode the wifi connection is basically dead.
After taking the phone out of sleep mode, i can see the "wifi connected" icon still there, but no app has any internet connection.
Was wondering if its possible to keep the wireless still turned on when the phone goes to standby. As in 3G is always on, thus always giving me new emails
Hmm #33 may be able to help you?
http://forum.xda-developers.com/showthread.php?t=583638
PhoTonic said:
Was wondering if its possible to keep the wireless still turned on when the phone goes to standby. As in 3G is always on, thus always giving me new emails
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Easy....
Download Shap's Advanced Config Tool. There is an option to keep the Wifi on even when the phone goes on standby.
Once Advanced Config Tool installed, launch it, go to Menu/More settings/connections/Enable Wifi on Standby.
also I would recommand you to download a basic freeware named ScreenOff (by Applied PDA software), and use it to turn off the backlight without turning off the Wifi.
I've always having trouble to maintain the WiFi connection whether it's using battery or AC.
I've installed the Advanced Config Tool, the "Enable WiFi on Standby" indicated already enabled. Then I used the ScreenOff. After about 10 seconds, the WiFi connection was lost as I verified it by pinging the HD2 from a PC. It's plug into AC all the time.
However if leave the HD2 just "dim the screen", that seems to be the only way to maintain the WiFi. Obviously set it not to go into standby after 30mins (the default value).
Are you able to maintain the WiFi on HD2?
Yes. No problem here.
when you go into wifi advanced settings you can select power mode. when you set power mode in the medium setting, wifi keeps connected even in standby! and it also doesn't drain your battery while in standby. just try it. first select high power mode and turn phone in standby. wifi connection is lost. when you turn it back in, you will see wifi connecting.
with power in the middle setting, turning phone in standby keeps wifi alive, with very low power consumption. and when you turn phone back on, you will see that wifi is already connected.
i use wifi all the time when at home. my data connection is turned off. and still my push mails are recei ing through wifi!
Not that easy, I tried all power modes and in all occations it whent of after 1 minute (ping timeout). Weird that all roms behave so differently
Speaking of pinging your HD2... when your wifi is enabled and IDLE, what ping results do you get?
My HD2 acts very strange. when my wifi connectivity is on & IDLE (no data activity, device is not in standby mode), my ping results vary from 50ms in average to 200+ and sometimes I'm experiencing even higher spikes of 500ms+.
I have tried to change the wifi's adapter power scheme to "best performance", but it doesn't seem to change something.
However, as long as there is an activity, my ping replies from the HD2 seem to be fine (less than 15/10ms).
Fatherboard said:
Speaking of pinging your HD2... when your wifi is enabled and IDLE, what ping results do you get?
My HD2 acts very strange. when my wifi connectivity is on & IDLE (no data activity, device is not in standby mode), my ping results vary from 50ms in average to 200+ and sometimes I'm experiencing even higher spikes of 500ms+.
I have tried to change the wifi's adapter power scheme to "best performance", but it doesn't seem to change something.
However, as long as there is an activity, my ping replies from the HD2 seem to be fine (less than 15/10ms).
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Click to collapse
seems like some powersaving feature... when idle, why should the wifi chip work at top speed.. just like cpu scaling....
my power saving slider is in the middle and still when the screen goes off and I switch it back on the wifi is reconnecting.
glenner05 said:
when you go into wifi advanced settings you can select power mode. when you set power mode in the medium setting, wifi keeps connected even in standby! and it also doesn't drain your battery while in standby. just try it. first select high power mode and turn phone in standby. wifi connection is lost. when you turn it back in, you will see wifi connecting.
with power in the middle setting, turning phone in standby keeps wifi alive, with very low power consumption. and when you turn phone back on, you will see that wifi is already connected.
i use wifi all the time when at home. my data connection is turned off. and still my push mails are recei ing through wifi!
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Click to collapse
Have you done the ping test from another PC/laptop on your network? Wait for about 1 minute after the screen is off and if you still can ping your HD2, I think it's probably your push mail somehow manage to maintain the wifi connection. I might try that if that's the case as I've tried absolutely everything else and so far abosolutely nothing can keep the wifi constantly on if the screen goes off.
i can still ping it after a few minutes... what you say about push mail and keeping wifi on makes sense... first thing i do when configuring my phone after fresh install is setting up my push mail... maybe that's why my wifi is always on.
You could set up a free gmail push account?
I'm not sure if my problem is related at all but my wifi only seems to connect to my router when it's diconnected from my PC. I'm sure before I upgraded to 1.48 ROM it stayed connected. Any idea guys?
oh, and I've only ever had it in the middle power saving mode and it looks like it does disconnect when it goes into standy.
glenner05 said:
i can still ping it after a few minutes... what you say about push mail and keeping wifi on makes sense... first thing i do when configuring my phone after fresh install is setting up my push mail... maybe that's why my wifi is always on.
You could set up a free gmail push account?
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I've set up gmail account as well nut as far as I know it's just IMAP or correct meif I'm wrong. if It's not push mail, it'll still kinda polling isn't it? what's your view?
glenner05 said:
i can still ping it after a few minutes... what you say about push mail and keeping wifi on makes sense... first thing i do when configuring my phone after fresh install is setting up my push mail... maybe that's why my wifi is always on.
You could set up a free gmail push account?
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Good news guys, I've finally managed to get the WiFi to stay on even after the screen is off. Yes the trick is the "push mail". I deleted my original gmail imap account and set up a Microsoft Push Mail based Gmail account. Then did the ping test and it's staying on for sure now. But I did notice that it'll have 1 packet drop occasionally.
wifi disconnecting in standby
my hd2 stayed connected to wifi in standby, then i applied a few tweaks and .cabs, i had a few little issues like the screen freexing and not refreshing so i did a hard reset, since then wifi wont stay connacted when the phone is on standby, it is confusing
Hi I found a solution. Just install this cab. No soft reset needed
Nilee said:
Hi I found a solution. Just install this cab. No soft reset needed
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Click to collapse
Sorry, this does not work.. Goes away after a soft reset
I always have had my tab set to turn off wifi when screen goes off,
and it has performed flawlessly.
Now - after the 3.2 update - When the screen goes blank,
the wifi does not turn off and it stays connected.
Does anyone else have this problem ? is there a fix ?
My issue is the tablet is set to turn wifi off when screen turns off.
Always worked perfectly.
Now after 3.2 when you wake it the wifi does not turn on, says out of range.
You have to click wifi on/off to reconnect.
Fix one thing and break another.
Stock tablet.
confirmed.
My tab is also set to turn off wifi when screen is off.
Same deal, it does not reconnect. Sometimes it does reconnect but he status bar says no internet connection.
Had the same problem after updating to KMM and now again with the new KMM (KMN).
But since wifi standby consumes almost no battery, I just leave wifi on "always on" (network notification switched off). It's only a workaround but with no real drawbacks.
I'm on Task 6.1 rom and its all good no wifi issues.
Question? How do u know if it turns off or not.
network scan
Same problem here.
After I turn on my tab, it does not reconnect immediately. Have to wait 1-2 minutes, then it reconnected.
Faster is to manually turn wifi off and on again.
Sent from my HTC Desire using Tapatalk
Same here. Just upgraded the other day, have to leave wifi on or manually switch it off and on. Nice update samsung
Yep. Same issue here. I'm thinking of leaving wifi on all the time and checking the difference in battery life.
3.2 has had issues with wifi since day one. Use one of the custom rom, I use Task 6.1 and the problem went away. You can always revert to 3.1
Running a Nook Color with CM7.1 stable. Kind of an odd issue here, I have two different Bluetooth GPS devices, and when they are paired to the Nook and I turn my screen off and then back on, it loses the connection. The only way to reconnect the devices is to restart the Nook, as it fails to connect after the screen is brought back up. I have found that if I have the Nook plugged in for power, this issue does not happen. I have tried multiple GPS apps, reflashed CM7.1 multiple times, but still have no success unless I have the Nook plugged in, or I just ensure the screen doesnt go to sleep.
I really need this to work, as I'm using this as a pilot, and I can't have the screen on the entire flight as it will drain the battery quickly. I swore it used to work before, but I know I had issues with it, and maybe now realize what was causing those issues. On a side note, my friend has also tested everything I have done, but his works consistently and reliably regardless if he leaves the screen off, or turns it on and off repetitively. Hopefully someone may have an idea!!
Thanks in advance.
So noone has any thoughts or ideas at all?
Well seeing as it doesn't happen when your plugged in that would make me think that it has something to do with the fact that WiFi turns off when the screen is turned off. The Bluetooth and WiFi are on the same module i do believe. The default setting for WiFi is to stay on all the time while plugged in and turn off when the screen is turned off while on battery.
My suggestion would be to turn the WiFi to stay on all the time and see if that changes anything. Go to WiFi settings --> menu --> advanced --> WiFi sleep policy -->never. That would be my suggestion, hope that works for ya!
jgore43 said:
Well seeing as it doesn't happen when your plugged in that would make me think that it has something to do with the fact that WiFi turns off when the screen is turned off. The Bluetooth and WiFi are on the same module i do believe. The default setting for WiFi is to stay on all the time while plugged in and turn off when the screen is turned off while on battery.
My suggestion would be to turn the WiFi to stay on all the time and see if that changes anything. Go to WiFi settings --> menu --> advanced --> WiFi sleep policy -->never. That would be my suggestion, hope that works for ya!
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That's what I was thinking too. It seems that when NC goes into deep sleep Bluetooth will lose connection. By removing deep sleep you should be able to stay connected, although your battery will drain faster than with deep sleep on, it should have a better life with screen off than on.
Well I appreciate both of your responses. However, I should have mentioned that I do already have Wi-Fi set to always stay on/never sleep. Any other suggestions?
So I posted this in a different thread but figured I would post it here to see if anyone could duplicate my findings. I have a Note3 from T-Mobile and for whatever reason leaving the Wi-Fi on will not allow the phone to go into deep sleep mode. I noticed when I was down to 40% battery after 10 hours with only one hour of screen on time. After running some tests I had only 2 minutes of deep sleep those entire 10 hours (tested using BetterBatteryStats) I tried setting "Keep Wi-Fi on during sleep" to Never and unchecking "Always allow scanning" under advanced network settings but neither of them fix the issue. In fact, after several tests I concluded that setting never for "Keep Wi-Fi on during sleep" wasn't even functioning as my access points still showed the client connected while the phone was asleep.
Can anyone else confirm this issue is actually a bug and not just my phone being defective?
Here's my original post on the topic regarding how I found the problem and what I have tested so far:
OK so after only 2 days of owning this phone (got it late Monday night, the T-Mobile variant) I finally figured out why I'm getting such bad battery, and I suspect the same thing may be happening for the other people in this thread. Hopefully this information helps at least one person.
My battery stats was almost identical to all the other users in this thread that had bad battery, I would get barely around 10-12 hours on the phone with less than 2 hours of screen on time. After using multiple apps to track down the issue I finally got what it was.
Wireless. Yes, wireless was my cause. But the thing is Wi-Fi didn't show up at all in any of the battery apps so I assumed it was a non issue. I've had other phones and have always kept the wireless turned on the entire time without problems. The basic problem is not that Wi-Fi is using power itself but it's that by default the phone cannot enter deep sleep while connected to Wi-Fi. This is why trying to use apps like BetterBatteryStats will lead you nowhere initially (though they were useful in finding out what was causing the issue) You can discover this by turning on Wi-Fi and connecting the phone to a charger, then disconnecting it so your BBS information will reset. Then power off the screen and power it back on after 10 minutes. You'll notice in the other section that deep sleep will have less than a minute time while awake probably has close to 9 minutes, if not more. This is with everything else turned off, almost no apps, and no special Samsung stuff enabled.
Under Apps > Settings > Wi-Fi > Menu > Advanced there are two options that should help this: "Keep Wi-Fi on during sleep" and "Always allow scanning" I set the "Keep Wi-Fi on during sleep" to Never and unchecked Always allow scanning and rebooted the phone. And low and behold...nothing. Yes, these options don't work (at least not to fix this problem) The phone still won't enter deep sleep mode while the wireless is enabled. Based on my company's wireless devices I can see that even with the screen off for well over 10 minutes it still shows connected as a client meaning the wireless is not turning off properly while it's in sleep mode. Or perhaps it can't go into sleep mode because the wireless is on which stops it from going into sleep mode and turning off the wireless. My guess is that it's a Samsung bug.
The reason why there's so many people here to get good battery usage is because they're either used to turning Wi-Fi on only when needed and keeping it off. You'll also not notice it if you have more than 6 hours of screen on time because you could easily assume that it would make sense that you phone would only last 10 hours total with that much screen on time, even though it should have technically lasted 20+ hours with only 6 hours of screen on time if the phone could have entered deep sleep.
So what's the real fix for this? Unless it's by design my belief is that it's a bug and won't be fixed until Samsung/T-mobile notices. I can't test to see if the same thing happens on other carriers so if someone feels like testing this theory out it would help.
For now, I guess we're just left to manually turning Wi-Fi on only when needed and leaving it off in all other cases. For those that have the T-mobile variant, make sure you also go into Settings > General > Backup and reset > Collect diagnostics and uncheck the "Allow Diagnostics" as that will probably be the highest offender of Partial Wakelocks (it'll show up as com.carrieriq.tmobile.wakelock or System Manager Application)
If anyone wants more information on my testing let me know!
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That's because the 'Keep WiFi during sleep: Never" setting only disconnects, it doesn't shut down the WiFi radio.
You're going to have to use a manager (Like Deep Sleep Battery Saver).
Or just hit the toggle yourself... If you're going to keep it disconnected in sleep anyway, just swipe down the notification bar and hit the bloody toggle.
ShadowLea said:
That's because the 'Keep WiFi during sleep: Never" setting only disconnects, it doesn't shut down the WiFi radio.
You're going to have to use a manager (Like Deep Sleep Battery Saver).
Or just hit the toggle yourself... If you're going to keep it disconnected in sleep anyway, just swipe down the notification bar and hit the bloody toggle.
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Click to collapse
The problem is that it doesn't disconnect, the access point 100% shows it is connected and transferring data every now and then. But the real issue isn't weather it disconnects or not but it's the fact that Wi-Fi will not allow the phone to go into deep sleep mode. For now I am fine with switching Wi-Fi off and on as needed, but with no other phone have I needed to do this before and definitely seems like a bug.
But regardless, what I'm trying to figure out if this is a legit bug that I should submit to Samsung/T-mobile or if it's just my phone and I should ask for a replacement. If anyone has BetterBatteryStats and could test this with their Note3 that would help.
My stupid phone has just started this same issue!!!! Freaking annoying, after only 8 hrs from 100% charged state, the battery is at 46% with only 26 mins screen ontime, I checked out that the phone never goes into deep sleep. What is going on and what can be causing this? Did you manage to resolve your issue?
PS I checked out wakelock detector but doesn't tell me a thing, as what program is keeping the phone awake all the time. Starting to hate this phone and miss my S3
What is your GPS accuracy setting set to? GPS, Wifi or Networks? Try setting it to GPS only.
GameBoiye said:
So I posted this in a different thread but figured I would post it here to see if anyone could duplicate my findings. I have a Note3 from T-Mobile and for whatever reason leaving the Wi-Fi on will not allow the phone to go into deep sleep mode. I noticed when I was down to 40% battery after 10 hours with only one hour of screen on time. After running some tests I had only 2 minutes of deep sleep those entire 10 hours (tested using BetterBatteryStats) I tried setting "Keep Wi-Fi on during sleep" to Never and unchecking "Always allow scanning" under advanced network settings but neither of them fix the issue. In fact, after several tests I concluded that setting never for "Keep Wi-Fi on during sleep" wasn't even functioning as my access points still showed the client connected while the phone was asleep.
Can anyone else confirm this issue is actually a bug and not just my phone being defective?
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Click to collapse
Well, your issue looks pretty similar to mine, which I solved with this Xposed mod (you could give it a try if you're on KitKat): http://forum.xda-developers.com/xposed/modules/mod-wi-fi-deep-sleep-t2752947. I was experiencing that even when "Keep Wi-Fi on during sleep" is set to Never, Wi-Fi still was awake most of the time according to battery stats.