Develop Bugs

Serious WiFi problems

My WiFi doesn't turn on anymore. I have tried many different ROMs, radios and even switched from twrp to cmw and nothing seems to work. I click the WiFi toggle and then all I see is WiFi starting. Does anyone know what my issue may be or some way to fix it?
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retrotim said:
My WiFi doesn't turn on anymore. I have tried many different ROMs, radios and even switched from twrp to cmw and nothing seems to work. I click the WiFi toggle and then all I see is WiFi starting. Does anyone know what my issue may be or some way to fix it?
Sent from my SAMSUNG-SGH-T989 using Tapatalk 2
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Odin back to full non rooted stock. If the issue still persists, call T-Mobile and get yourself a shiny new handset. If you have insurance that is...
Sent from my SAMSUNG-SGH-T989 using xda premium

retrotim said:
My WiFi doesn't turn on anymore. I have tried many different ROMs, radios and even switched from twrp to cmw and nothing seems to work. I click the WiFi toggle and then all I see is WiFi starting. Does anyone know what my issue may be or some way to fix it?
Sent from my SAMSUNG-SGH-T989 using Tapatalk 2
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I currently have the same problem. I just got the mine used. Rarely it works and most of the time it just says wifi starting. I searched and found about the wlan test with the following code *#232339# and it didnt work. Tried various wifi fix apps, still not fixed. I flashed it with Jedi mind trick, still no success. Could this be a hardware issue? Does any body know where the WIFI module is on the motherboard?

Bad antenna...
Sent from my Galaxy Nexus using Tapatalk 2

[Q] Possible wifi issue?

Hi,
I am wondering if it is normal that wifi speeds slow down after a certain time. My wifi at home can reach up to 22 Mbps down and say in a couple hours for example it would drop to 10 Mbps. Immediately I would restart my phone and it would be back up to normal speeds of 20ish Mbps. I do multiple back to back tests on speedtest.net app and my wired connections and other wireless devices are consistent.
My wifi does not disconnect and it has no problems connecting to other souces. At work i have the same wifi issues.
I have a Canadian Rogers Note 2. I am rooted and flashed to cleamrom 4.0.5, fully wiped and reset before flash with twrp. I have tried turning off power saving mode during the slow wifi transmissions and still have this issue,
I am lost as to what to do. Any advice would be appreciated.

Yes this is for me as well I have been on clean rom and now stock and it continues to do the same not a huge deal but I just noticed it last night im on mediacom if thats any help
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In the meantime I have installed My Data Manager to see if there is any unknown wifi data transmitting while this problem is happening. When I had the phone bone stock I really did not monitor this issue.

I use the international rom and I notice YouTube buffers longer than it should than it chops shortly after. I just tried recycling wifi and now it's snappy again.question now is how long it will last
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phierce said:
I use the international rom and I notice YouTube buffers longer than it should than it chops shortly after. I just tried recycling wifi and now it's snappy again.question now is how long it will last
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Thats what I am trying to figure out. I am not sure what causes it in the first place.

Agreed very weird and I ahve tried alot
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I notice link speed drops to about 5mb when directly infront of AP
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I have been playing with this issue for a few days now. I can sort of recreate this by leaving the wifi range and entering. This will create that speed drop I described in my first post. By turning on and off the wifi toggle resolves this.
While using My Data Manager it shows no mystery wifi or data transfer in the backgound. Everything checks out in that aspect.
I notice link speed drops to about 5mb when directly infront of AP
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I did not notice a drop when infront of the AP.

I'm running stock Att and started having slow wifi speed after the 4.1.2 update. Toggling the wifi fixes the issue but it slows down again eventually.
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Sorry. Double post
Sent from my SAMSUNG-SGH-I317 using Tapatalk 2

yeah this blows. I don't know where the fault is. Running cleanrom 4.0.5 with its kernal. I don't believe I have really modified anything other than flashing the rom and a few zips here or there.
Normally it isn't a big deal but it really seemed to cause issues when syncing for the first time with dropbox yesterday. I had to keep restarting wifi. I think part of that was dropbox but 4 gb took literally hours to get done
I don't know if it happens on cleanrom 4.2.5

livingaboard said:
yeah this blows. I don't know where the fault is. Running cleanrom 4.0.5 with its kernal. I don't believe I have really modified anything other than flashing the rom and a few zips here or there.
Normally it isn't a big deal but it really seemed to cause issues when syncing for the first time with dropbox yesterday. I had to keep restarting wifi. I think part of that was dropbox but 4 gb took literally hours to get done
I don't know if it happens on cleanrom 4.2.5
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I am on CleanROM 4.5 right now and it behaves the same way. I did read on another thread that there is a possible fix by replacing the 'wifi' folder with the one from Android 4.1.1.
Here is the whole thread http://forum.xda-developers.com/showthread.php?t=1956155&highlight=wifi+problem
I have performed the suggested fix and will monitor the issue when I go about my daily routines.

Any new info on whether your idea worked? I'm experiencing the same thing you guys are.
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Am I the only one with Wifi sleep issues?

Just about every time my phone deep sleeps, wifi shuts off completely. I've tried multiple roms and kernels, and every advanced wife setting combination possible. Thinking it's a hardware issue in which case bye bye nexus.
I've googled and googled and only really found suggestions like "uncheck wifi optimization" or "make sure turn wifi off while sleeping is (un)checked". Tried all of that, and still persists.
Anyone else have this issue, or can someone give me an out of the box tip?
Thanks
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Bump...
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You've probably already tried this, but have you tried a full wipe? Also, have you tried wiping you device's internal memory (SD card), and have you tried reverting to complete stock and starting over?

its a known issue with 4.2.2 roms, nothing much you can do about it, temporarily it can work but problem will repeat itself

I have done a full wipe, but not wiped the sd card, or reverted to stock. Hoping to avoid such a tedious task.
So my options are either suck it up, revert to a 4.1 rom, or get a new phone?
Thanks
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djexacto said:
I have done a full wipe, but not wiped the sd card, or reverted to stock. Hoping to avoid such a tedious task.
So my options are either suck it up, revert to a 4.1 rom, or get a new phone?
Thanks
Sent from my Galaxy Nexus using xda app-developers app
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it happens to me as well, stock rooted 4.2.2 but ONLY WITH WIFI AT HOME, not at work

djexacto said:
Just about every time my phone deep sleeps, wifi shuts off completely. I've tried multiple roms and kernels, and every advanced wife setting combination possible. Thinking it's a hardware issue in which case bye bye nexus.
I've googled and googled and only really found suggestions like "uncheck wifi optimization" or "make sure turn wifi off while sleeping is (un)checked". Tried all of that, and still persists.
Anyone else have this issue, or can someone give me an out of the box tip?
Thanks
Sent from my Galaxy Nexus using xda app-developers app
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uncheck and check wifi optimiztaion again solved the problem for me

d4nteps said:
uncheck and check wifi optimiztaion again solved the problem for me
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Thanks for your suggestion, let me try and report back later to see if this works.
This problem has been constantly bugging me that I want to dump this phone. Seriously disappointed with Google over all these bugs...

but I keep wifi optimization off... should I keep it on?

If you are unlocked, you can flash some custom kernels to fix the problem. I use Fancy Kernel and the developer included a fix in the kernel.
Fancy Kernel OP
Work-around for Wifi drops (Kernel specific)

After fiddling with the Wifi Optimisation, I would like to report back that it DOESN'T WORK.

My wifi will NOT TURN ON

So I wanted to flash the new jedi rom on my note2. I was running myrom. Through recovery I wiped the system and then I wiped cached. The usual. I have flashed many roms so I knew what I was doing.
So then I flashed the new jedi rom. And its wasnt working because this kept popping up without even letting me use the phone-> 'android.process.acore has stopped unexpectedly'. And then I was like wth? I flashed back and recovered my previous rom and data and that rom worked just fine again.
So I did some reserch and I came across another forum that claims the fix is to flash SUPERWIPE. So I did so, then I flashed the jedirom again and it was working fine without any popups of any errors.
Then I noticed my wifi would not even turn on at all. I press the botton to turn on, and it says turning on, then it will go back to saying turn on, as if I never tried to turn it on at all. Please help guys as much as u can. Everything else works jist fine on my phone btw.
Tmobile sght889 gnote2

Its happening to me too. Except for the whole other problems. It happens randomly, not only wifi stays "turning on" my bluetooth doesnt work. This gets fixed over time idky but its really REALLY annoying.

Had that happen on my phone. Wifi and bluetooth wouldn't turn on. It would fix itself sometimes, but as soon as I leave a wifi area, it stops working even if I go to another wifi area. The only fix I know of is to do a warranty exchange. That's what I had to do.

My bluetooth isnt working as well! Wth x [ I need to fix this
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It happened to me once before not to long ago and I returned it for an exchange. But a couple weeks ago I flashed a carbon nightly and the WiFi wouldn't toggle on again, flashed a different kernel and presto it was back.

Im not to knowledgeable with kernals in all honesty. Im very comfortable with pretty much anything else tbh. What kernal would you recommend for me? I guess ill try that, hopefully it would work for me
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jediromftw said:
Im not to knowledgeable with kernals in all honesty. Im very comfortable with pretty much anything else tbh. What kernal would you recommend for me? I guess ill try that, hopefully it would work for me
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Did you check the md5 to make sure you got a good download on the ROM?

Actually I ddnt v.v well anyways I did a recovery of the previous rom I was using- and that rom worked fine (wifi, bluetooth and all)
So im back on it and my wifi and bluetooth still does not work. Pkease helppp
..
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I used the xone kernel

So after the kernal flash the wifi and bluetooth fixed?
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It might work, did the trick for me. If not I'd try a fresh install again or warranty exchange

WiFi not working

Hey everybody!
Currently I am running the Lifeless v14 Rom on my phone and the phone will not connect to a WiFi connection. After I input the password it just goes to saved but will not connect. I have tried with multiple connections and different ROMs and it only does this on stock based ROMs. I would appreciate any help, thanks in advanced.

Kernel?
Sent from my LG-LS970 using xda app-developers app

allmasteraa said:
Hey everybody!
Currently I am running the Lifeless v14 Rom on my phone and the phone will not connect to a WiFi connection. After I input the password it just goes to saved but will not connect. I have tried with multiple connections and different ROMs and it only does this on stock based ROMs. I would appreciate any help, thanks in advanced.
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If you haven't figured this out yet, maybe this will work.
ZVB has some issues with WiFi. Turn WiFi off, reboot phone, then check to see if Wi-Fi stayed off. If it stayed off, then you should just be able to turn it on and it should work. If it turned itself back on, turn it off, reboot, and more it should work.
If you have a tethering app, that will mess with WiFi. You can only run one or the other per reboot.
Sent from my LG-LS970 using XDA Premium 4 mobile app

jonahly said:
Kernel?
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Not completely sure, I didn't flash a different one after flashing the rom tho

engine95 said:
If you haven't figured this out yet, maybe this will work.
ZVB has some issues with WiFi. Turn WiFi off, reboot phone, then check to see if Wi-Fi stayed off. If it stayed off, then you should just be able to turn it on and it should work. If it turned itself back on, turn it off, reboot, and more it should work.
If you have a tethering app, that will mess with WiFi. You can only run one or the other per reboot.
Sent from my LG-LS970 using XDA Premium 4 mobile app
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Thanks for the advice but this did not work. It still does the same thing, also tried clearing dalvik and cache and then fixing permission but that did not help either

allmasteraa said:
Thanks for the advice but this did not work. It still does the same thing, also tried clearing dalvik and cache and then fixing permission but that did not help either
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can't remember if lifeless has this but try turning off the sprint connections optimizer... wife got a new lgog this past week and was having similar problems with our WiFi at home turned that off and she hasn't had any problems since... also if your using a battery saving app like battery guru make sure you disable any setting where it regulates you're WiFi connection do the same with any apps you have that regulate data turn it off then see if problem persists
Sent from my LG-LS970 using XDA Premium 4 mobile app

This^^^^ I forgot all about this stuff. It's always the first thing I remove.
Sent from my LG-LS970 using XDA Premium 4 mobile app

spleef said:
can't remember if lifeless has this but try turning off the sprint connections optimizer... wife got a new lgog this past week and was having similar problems with our WiFi at home turned that off and she hasn't had any problems since... also if your using a battery saving app like battery guru make sure you disable any setting where it regulates you're WiFi connection do the same with any apps you have that regulate data turn it off then see if problem persists
Sent from my LG-LS970 using XDA Premium 4 mobile app
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I think I tried it before but I'll try it again since I reflashed. I haven't installed any apps whatsoever so I know there is nothing that should be regulating my WiFi connection. Also whenever I tap on Connection Optimizer it says "Setup has not finished yet. Please try again later." I don't know how long I need to wait, it's been a few hours now..
Scratch that, turning off the connections optimizer didn't work.

Just flashed stock ZVB rooted and I have the same problem

allmasteraa said:
Just flashed stock ZVB rooted and I have the same problem
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Did you ever get this sorted out? I've been having the same problem for the last week. I ended up going back to stock ZVB but it's still not working. I tried updating the radio, zeroing and reflashing my EFS but no luck.