Slow wlan speed after latest OTA (~8,5mb Germany) - Galaxy Note II Q&A, Help & Troubleshooting

So after the newest OTA update my wlan dl speed decreased about half and is pretty unstable.
Im on stockrom/non-rooted and bootloader unlocked. On my laptop i dont have these issues and i already tried everything with the router. Even completely reseting it and reconfigure it. Is there any knowledge of such an issue?
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sEiNZu said:
So after the newest OTA update my wlan dl speed decreased about half and is pretty unstable.
Im on stockrom/non-rooted and bootloader unlocked. On my laptop i dont have these issues and i already tried everything with the router. Even completely reseting it and reconfigure it. Is there any knowledge of such an issue?
Sent from my GT-N7100 using xda premium
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Just a shot in the dark, but have you turned off QoS and WMM in your router settings? I was having slow wifi problems on my iPad and turning all those options off fixed it... Just an idea, like I said. Seems you have tried everything...

Kiahnlliya said:
Just a shot in the dark, but have you turned off QoS and WMM in your router settings? I was having slow wifi problems on my iPad and turning all those options off fixed it... Just an idea, like I said. Seems you have tried everything...
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Just tried it to be sure but didnt fix the issue.
I cant find information about the ota to find out what actually changed too. Just remember about performance improvement tough that can mean many things.
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Try wifi issue section.
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Related

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?
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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...
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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?
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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...
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[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
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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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confused about streaming

Had my N7105 for a few days now and I'm enjoying it, one thing though. Downloads and steaming is slow. Slower than my old BB9810 I'm talking about when I'm a at home using WiFi. Facebook takes an age to update, YouTube keeps buffering and I am connected to my network. Its not my connection speed that is just short of 70Mb! I put the phone in 'airplane' mode and just turn on WiFi and the speed is much better, no buffering or delays
is there a setting I am missing?
Also, I know the phone is 4g but vodaphone don't offer that here yet.....soon!
My phone is set to GSM/WCDMA is this correct? I have no option to enable 3G/4G.
Thanks in advance.
Jon
Try changing the wifi security
this is XXXDDDAAA
UtkarshGupta said:
Try changing the wifi security
this is XXXDDDAAA
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Hi
Thanks, change the settings via my desktop, to what? They are currently WPA/WPA-2 PSK. thanks for your help.
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Someone said wep is helpful.
this is XXXDDDAAA
UtkarshGupta said:
Someone said wep is helpful.
this is XXXDDDAAA
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Thanks. I'll give it a try later and let you know.
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[Q] Wifi connecting issue

Since last couple of months I'm facing this. My wifi, once connected, stays connected. But once turned off, after turning on, it would just show the connection as saved, secured with wpa2 and won't connect. Turning off and on multiple times doesn't help as well. Just if i keep it off for some hours or so, then turn it on, it might sometimes get connected. The signal strength is excellent though and once connected, it stays connected. I've tried factory resetting, formatting data as well. Tried a lot of different roms but in vain. Could this be a hardware issue? Is there any workaround for this?
Does this occur with all wifi locations?
Are you running stock rom?
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awerner68 said:
Does this occur with all wifi locations?
Are you running stock rom?
Sent from my Galaxy Nexus using xda app-developers app
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no, i've tried that only at my place, but previously it would connect without any issue and i haven't made any changes to the router.
and no. i was on PA 3.65, then tried MIUI v5 and now am on Purity 5.7.1. it still persists.
raikkoni27 said:
no, i've tried that only at my place, but previously it would connect without any issue and i haven't made any changes to the router.
and no. i was on PA 3.65, then tried MIUI v5 and now am on Purity 5.7.1. it still persists.
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Maybe a new radio?
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mrgnex said:
Maybe a new radio?
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i'm on i9250xxlj1. could u please suggest me which would be most appropriate?
mrgnex said:
Maybe a new radio?
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I didn't think the radio would impact Wi-Fi.
I would try to see what happens on another Wi-Fi hotspot, to rule out something with the home wi-fi.
awerner68 said:
I didn't think the radio would impact Wi-Fi.
I would try to see what happens on another Wi-Fi hotspot, to rule out something with the home wi-fi.
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alright, i'll give that a try

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?
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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.
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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
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This^^^^ I forgot all about this stuff. It's always the first thing I remove.
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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.

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