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Hi Guys
I dunno if I am the only one that is suffering this problem as I haven't seen any posts about it but:
I use 2x Battery to save power over night when I am sleeping, and this turns off Wifi/Bluetooth and GSM/HSPA Data, and periodically will turn them back on every 2 hours to allow my phone to get emails and other notifications.
Since the introduction of Android 4.3 to my device, every couple of days I have to switch my device off and back on again because Wifi refuses to turn on. Exactly the same problem existed in 4.2 but instead with bluetooth refusing to turn on, which I might add has been fixed in 4.3.
Has anyone else experienced this?
Andy
Personnaly, i rather switch wifi and sync off in the night, coz i only have a look at my phone in the morning.
And i can tell that with last update (JR..Y) with data & wifi off, that the battery isn't draining more than 1% in 6 hours.
4.3 included several battery saving optimisation, have a look in the wifi advanced parameters...
Thanks for your input on battery saving methods but I'm trying to resolve a potential software issue with Wifi
tehrules said:
Thanks for your input on battery saving methods but I'm trying to resolve a potential software issue with Wifi
Click to expand...
Click to collapse
Of course. But take care about the compatibility between your battery saver app, and you android's version... JWR66V ? Y ? JSS ?!
Are you sure they are both compatible ?
Did you try to wipe cache & dalvik, and reinstall your app ?
I think that it's your app that's not "aligned" with OS api's.
You can test Snapdragon Battery guru
I use Llama which is a real great app for controlling your phone and it does occur where it will not turn my wifi back on. With all the optimizations with wifi in 4.3 and battery saving I just decided to leave wifi on all the time. So far it has not caused any real noticeable drain maybe an extra 1-2% total
WiFi not turning on after android 4.3 update
Hey guys,
First time poster, long time reader.
Now I've been doing some hard searching on this issue but I don't think this problem has been completely addressed yet (Apologies if it has).
I updated to Android 4.3 today on my Galaxy S3 (GT-I9300). The update seemed like it went smoothly but after it completed I noticed that the WiFi wasn't turned on. Once I click it looks like it loads and after a few seconds just stops. So I simply cannot get the wifi to turn on!!!
I've tried clearing the app cache, and looked at different forums but has anyone else come across this issue?!
Please help!!!
Thanks in Advance.
I had CM11 on my Nexus 4 and did a full wipe, then flashed the official Lollipop image (using flash-all.sh script). The process went smooth, without any problems.
Now, I am having WiFi issues. When I turn on WiFi from quick settings it changes the icon, but doesn't connect to the network yet. If I try to access WiFi settings it opens them up, but I can see only the actionbar and a blank white screen. No networks shown. Sometimes I even get "The app is not responding dialog". It sits like this for about 30-60 seconds and after that it connects to the network and I am able to access WiFi settings.
Sometimes I can't turn WiFi on at all. Quick settings don't change the WiFi icon to the ON state. If I try to turn it on from the Settings, the switch does literally nothing - not even "Turning WiFi on..." shows up.
I tried to reflash the system - still get these issues. Tried reflashing just the radio module - didn't fix it. No idea what to do. KitKat worked just fine.
Does anyone else have similar problems?
Same issues, but on a Nexus 10.
I have exactly the same issues as you, but on a Nexus 10. Running LRX21P 5.0 Lollipop.
+1
I used Wugfresh 1.9.6
Downloaded and installed LRX21T
Did a complete wipe (cache and factory reset)
Did a selective restore of ~75 apps from Google backup
Played with the machine for hours.
Rebooted, now got no wifi
Anyone suggest a workaround?
EDIT: I came across this post in the Nexus 5 Thread , where he suggests changing your router's channel to something below 12. I changed mine from 13 to 8 and now wifi seems to be working.
EDIT2: Sadly the above was a red herring. The problem seems more complex. Hopefully Google will release a fix soon
fangthorn said:
+1
I used Wugfresh 1.9.6
Downloaded and installed LRX21T
Did a complete wipe (cache and factory reset)
Did a selective restore of ~75 apps from Google backup
Played with the machine for hours.
Rebooted, now got no wifi
Anyone suggest a workaround?
EDIT: I came across this post in the Nexus 5 Thread , where he suggests changing your router's channel to something below 12. I changed mine from 13 to 8 and now wifi seems to be working.
Click to expand...
Click to collapse
I don't think my problem depends on the available WiFi networks. But thanks for the response.
I have the exact same issues, Wifi doesn't turn on at all. It doesn't matter if I press the quick settings button or the button in the menu. It says Wifi on, but nothing happens. After the screen goes dark, Wifi turned itself off again.
Any suggestions? Thank you!
the.best77 said:
I have the exact same issues, Wifi doesn't turn on at all. It doesn't matter if I press the quick settings button or the button in the menu. It says Wifi on, but nothing happens. After the screen goes dark, Wifi turned itself off again.
Any suggestions? Thank you!
Click to expand...
Click to collapse
I'm having the exact same issue. Wiped with ADB and flashed LRX21T factory image from Google's website. No error codes during flash.
Wifi is great - if you leave it on all the time. As soon as it turns off, it will NOT turn on. I get no error message, no timeout like it usually does when Wifi isn't working properly, no crash report. Nothing. Just a stalled Wifi acting like it's turning on. If I exit Wifi settings page, and come back, it shows as being off. Turn it on, and it just hangs the same way.
So frustrating.
It's for sure not the network I'm on, as it also doesn't turn on when I'm not near Wifi, or when I'm at a friend's house. Rebooting the phones makes the Wifi work again...until it turns off for ANY reason. Then we're back at square 1.
I'm having this same issue...
My WiFi seems to turn itself off. Then there is no way I can get it to turn back on unless I reboot the phone.
Very frustrating.
I have the same issue.I sideloaded the OTA and everything went great,no errors during the installation.I was on stock 4.4.4.
When I turn on the Wifi it takes around 30 sec to connect to a network.If i click on the Wifi menu in the setting it usually freezes or I get a black screen.After that Wifi works fine,but another thing I noticed it doesn't remember new networks.I don't know if a factory reset would help...
Anyone find a solution yet? Did a factory reset eliminate the problem for somebody?
I got the same thing. Currently, I'm using Power Toggles to do the on/off setting.
NathanGong said:
I got the same thing. Currently, I'm using Power Toggles to do the on/off setting.
Click to expand...
Click to collapse
Are you saying that Power Toggles fix the problem?
I'm facing a different issue. Whether I have WiFi on or off, it always appears active in the battery usage stats ('scanning always available' is off)
WiFi was off when the screen was off from about 3 am to 2 pm.
Sent from my Nexus 4
I am having the same issue. very frustrating. it was working perfectly last night on my home network, but now it wont connect to my work network. it has the same issues as everyone else. the wifi toggle will turn on, but it will not show any networks. then after a couple of seconds it will turn itself off.
^^i am having that issue as well. the battery usage stat page is showing wifi as on even though it is off.
Have the same issue. After some standby time, turning Wifi on again, it showed me networks where I am not close to anymore and didn't show me the actual networks where I am right now. This seems to be a serious bug that needs fixing. I don't want to reboot my phone to fix it. Didn't Google delayed the Lollipop-Update because of some Wifi issues?
I have all the symptoms listed in this thread. I filed a bug report too: https://code.google.com/p/android/issues/detail?id=80028&q=LRX21T
Found this thread when this problem popped up for me after flashing the factory images one by one. Might try to find a source-built ROM using a later version to see if it got fixed.
quarara said:
I have all the symptoms listed in this thread. I filed a bug report too: https://code.google.com/p/android/issues/detail?id=80028&q=LRX21T
Click to expand...
Click to collapse
Thanks for making the bug report. I've added some details to it.
Ibrahim.Rahman said:
I'm facing a different issue. Whether I have WiFi on or off, it always appears active in the battery usage stats ('scanning always available' is off)
WiFi was off when the screen was off from about 3 am to 2 pm.
Sent from my Nexus 4
Click to expand...
Click to collapse
I have this problem too, in battery status wifi always show on even I turn on or off. It not happen with Kitkat.
anezarati said:
^^i am having that issue as well. the battery usage stat page is showing wifi as on even though it is off.
Click to expand...
Click to collapse
dinhvandinhtu said:
I have this problem too, in battery status wifi always show on even I turn on or off. It not happen with Kitkat.
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Click to collapse
Nice to know I'm not alone in this. Hope it gets fixed soon
Sent from my Nexus 4
I'm at a loss here and i hope somebody can help me out here.
I've had my Note 4 for a while now, working great, but after a week or two after flashing Simpl-rom (latest)(Android 5.0.1) it started to drain battery while the screen was off.
I tried to debug this issue and found that WLAN_WAKE is preventing the device from sleeping.
Of course i did search for solutions but none of that worked, disabled all the background scanning and stuff in advanced wifi settings.
I tried to freeze all my regularly used apps planning to unfreeze them one by one to see when the issue started to show up, odd thing is, the issue persists even if i freeze all my daily-use apps.
I also noticed no networks in range show up in my Wi-Fi list, only the ones that i saved in the past (of course most showing out of range).
Using a 3rd party Wi-Fi manager works fine, it detects all the networks in range.
Disabling Wi-Fi allows the phone to go back to sleep again. However, when enabled again after that no more sleeping occurs.
The only "solution" to this is a full reboot. This solves the wakelock/batterydrain issue temporarily but not the Wi-Fi networks not showing up.
It can take 30 minutes before the issue shows up again or it can take half a day.
I also tried to detect if any apps were using background data, none that i could detect.
Even stranger, i have the exact same issue with my Galaxy S5 running Omega-rom (latest). (Android 5.0.1)
The drain on the battery isn't huge (10-15% per night), but it's there and unnecessary (i know it can do with 2-3% per night if the bug doesn't occur), obviously something is going wrong and i wish to find out what and resolve it.
Anyone experienced similar problems or knows how i can proceed to debug this issue?
I say issue because i feel these problems are related, they could be separate problems though..
when turning my wifi off it seems it goes into some weird loop of turning on and off constantly by itself, it doesn't seem to be trying to connect just flipping the wifi switch on and off none stop.
noticed it because i had a huge battery daring overnight and while trying to fix it i saw the switch going off and on all the time.
when turning it back on it seems to connect normally .
did a network setting rest but it did nothing ...
I'm guessing a factory rest will fix the problem but I'm hoping to avoid such a overkill solution :crying:
does anyone else had this problem and can help me fix it?
thanx!
avivzamir said:
when turning my wifi off it seems it goes into some weird loop of turning on and off constantly by itself, it doesn't seem to be trying to connect just flipping the wifi switch on and off none stop.
noticed it because i had a huge battery daring overnight and while trying to fix it i saw the switch going off and on all the time.
when turning it back on it seems to connect normally .
did a network setting rest but it did nothing ...
I'm guessing a factory rest will fix the problem but I'm hoping to avoid such a overkill solution :crying:
does anyone else had this problem and can help me fix it?
thanx!
Click to expand...
Click to collapse
This was on a new custom rom ?
Or did it just happend on a rom that have worked perfect for days?
And have you seen which app or system app been casuing the drain?
LyLu said:
This was on a new custom rom ?
Or did it just happend on a rom that have worked perfect for days?
And have you seen which app or system app been casuing the drain?
Click to expand...
Click to collapse
original samsung rom.
just happened (i have the device for a a while everything was fine) its the android system that drains the battery in the battery status.
when i leave the wifi on it stops and works fine ...
Have you turned off ''Keep Wifi During Sleep''? I know this can drain battery.
It's not so easy to troubleshoot on an orginal none rooted phone.
You can try clearing dalvik and cache.
Turn it off and then on holding power and vol down button, then clear cach/dalvik and restart.
Try uninstall update beaming service for samsung then restart
If still persistent try uninstall update microsoft onedrive and skype then restart, just in case
I found it after factory reset (forgot internal data backup :crying and update all apps, this problem occuring after the last 3 updates (beaming, onedrive, & skype) which more suspect beaming service update make that problem
Your not alone
You're not the only one who suffer from this exact problem, on Friday or Saturday the same problem started occurring with my phone too, WiFi turns on and off in a loop and huge battery drain!
I saw an increase of 6% of battery drain per hour, so I ended up on 9% total drain every hour. :crying:
I have original Samsung Rom and phone worked prefect until now, no settings or apps installed before this happened either.
What rom version are you guys on?
I'm having the same issue. However, I'm on PhoenixX Rom. Major battery killer and has only just started happening within the past few days.
Since my phone has been unplugged, 3 hours ago, looking at BetterBatteryStats, It is showing com.google.android.gms as having quite a LOT of wakeups. 40 per hour (everything else is about 2). Don't know if this is normal as I don't remember it before the Wifi issue.
Looking into what the wake ups are caused from, Location and heartbeat were the major culprits. So i have turned of WIFI scanning when not on and also the body sensors for Google Play. We shall see.
LyLu said:
What rom version are you guys on?
Click to expand...
Click to collapse
See attachment.
Easy fix. Just disable Wi-Fi scanning.
the_scotsman said:
Easy fix. Just disable Wi-Fi scanning.
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Click to collapse
its not a fix at all . it dosnt scan for wifi , just turning it on and off non stop.
like pressing the light switch agin and agin
I had this after installing "GoodLock" software from Samsung! Uninstalled and everything is ok
same here, just noticed I wasnt on Wifi and the switch is just flicking on and off by itself. Standard S7 with all the updates installed
Been struggling with the same for some days (4 - 5) I haven't been able to get exactly whats triggering this. I'm on stock rom with root. I've reinstalled firmware clean again and re downloaded my apps but it is still happening randomly. Some times after a few attempts to switch wifi on (even when it is toggling by itself) it manages to keep on. Sometimes restarting makes it work again. One thing I'm almost certain its that this usually happens after I turn wifi OFF and then try to turn it back on.
It's been crazy and the phone starts to overheat after a while off this on-off loop.
Any ideas?
its very wierd it started to all of us in the past few days-weeks . seems like samsung has a bug they need to hurry up and fix.
AT&T just pushed out the October Security update for the S7 family, I'm guessing something that came along with it is creating the problem.
mine did a software update last week and I've been away in airplane mode so it could have started then. I've just disabled scanning and that seems to have got round the issue and I'm now connected to WifI
I'm not sure whether it is a Samsung Issue or a Third party one... It is true that something recently affected all of us, but as far as I know, it could be a third party app that wasn't well developed for our phone.
I've noticed the same problem on my phone and it's also only started up in the last few days. On stock Sammy rom, unrooted. Will be monitoring this thread to see if the experts here can narrow down the culprit.
I had the same issue and I was able to stop the toggle by turning off the wifi scanning in Location - Improve Accuracy - WiFi scanning. It's a fix for now. I think it may be an app that may have been updates that is persistently looking for location updates.
Hello i've got a peculiar issue with my edge. Wifi and 4G work at the same time and no its not the download booster because its off and on top of it its a separate icon. This shows both normal icons and ive noticed a small data increase while wifi is on. But the bigger issue is that the CPU works over time and drains the battery faster.
Any tips of what may hide the issue.
Using a stock rom or custom?
And did you make any changes recently.
I am currently using a custom Rom with custom kernel (helios) but this happened all the same while I was with stock also without any modifications
Verify in Developer Options that the "Keep Mobile Data turned on" is not turned on
Not turned on. Also i did forgot to mention, happens some times and doesn't other times. It's not wifi network dependent as it happens everywhere, and i don't see it be quality of network dependent as well.
Deleting Dalvik cache helps temporarily. After boot the mobile network behaves normally.
Just a note. Thats a recurring issue. Deleting cache is a temporary solution problem usually reoccurs within a few days