Develop Bugs

Wifi connectivity issues

Hey all, I was hoping someone else has had this issue and has fixed it. I'm running a stock unrooted phone and when I connect to wifi, it connects to the AP and obtains an IP, but I cannot go out to any website or use any app that needs a connection (facebook app, etc). Things I've done:
Restarted phone
Factory reset phone
rebooted router
Tried other roms
Sent to samsung (they did a SW update) x2
Forgot the network, then reconnected
This is getting extremely frustrating as it's been this way since I've had it, but it got worse with the ICS update. Anything that anyone has tried and actually worked? The funny thing is, when you reflash the phone or do a factory reset, it works for about an hour then stops. Thanks in advance!

Have you ever connected that phone to a different wifi?
I encountered an issue a few months back where something went wonky and i had to completely reset my router and set it back up. Have you tried that too?
sent from my T989 full of CM awesomeness and a touch of Venom from the Darkside!!

Yes, I've tried different wifi AP's and none of them have worked, while others are on them including mine at home. I have not reset the router and reconfigured it because it's a cisco and as such is a pita. I have looked through my config and cannot find anything obvious. But still, others are able to connect just fine.

Same issue here. Never noticed it until recently. Reflashed LE1 and it worked for a couple of days. Going to flash the galaxy note modem tomorrow.
Sent from my SGH-T989 using xda app-developers app

I know it's a shot in the dark, but some said it worked....
Try to disable the "UPnP" in your router.
Let us know....

premiatul: I can't find anything in my router for upnp. If anyone knows how to disable it in cisco ios 12.4(11)T1, I'll gladly try it.
Autx: please let me know how that goes and if it works. Thanks!

premiatul said:
I know it's a shot in the dark, but some said it worked....
Try to disable the "UPnP" in your router.
Let us know....
Click to expand...
Click to collapse
i have same problem and this didnt work its a issue with the phone not the router. seems like darkside wipe does the trick from searching around but i cant seem to get a cwm flashed on my telus s2x

curry67 said:
i have same problem and this didnt work its a issue with the phone not the router. seems like darkside wipe does the trick from searching around but i cant seem to get a cwm flashed on my telus s2x
Click to expand...
Click to collapse
Is darkside wipe a temp or permanent fix, from what you've read?

Noone else has any info that may help? I would really like to get to the bottom of this. Devs: could this be a driver/kernel issue over a hw issue?

digikid said:
Noone else has any info that may help? I would really like to get to the bottom of this. Devs: could this be a driver/kernel issue over a hw issue?
Click to expand...
Click to collapse
Honestly, whenever I'm running a TW based ROM I find that wifi takes awhile to connect. Any AOSP (CM/AOKP) for me is nearly instant.

Digital1325 said:
Honestly, whenever I'm running a TW based ROM I find that wifi takes awhile to connect. Any AOSP (CM/AOKP) for me is nearly instant.
Click to expand...
Click to collapse
I'm running a stock, unrooted device. It connects to the ap and gets an IP address just fine, but data doesn't go across the connection when I go to the internet.

digikid said:
I'm running a stock, unrooted device. It connects to the ap and gets an IP address just fine, but data doesn't go across the connection when I go to the internet.
Click to expand...
Click to collapse
You got the same problem I do... flashed a couple different radios and no luck... Going for the full odin back to stock when i get time, hopefully next weekend.

AUTX_buckeye said:
You got the same problem I do... flashed a couple different radios and no luck... Going for the full odin back to stock when i get time, hopefully next weekend.
Click to expand...
Click to collapse
Thanks for the heads up that the note radio didn't work. Also, the new official update didn't fix this issue either. Maybe I'll just have t-mo replace the device since it's not happening to everyone. Thanks all for your input!

Quick question.
Did you De-bloat your phone? Ie did you remove any apps from the system directory?
Sent from my SGH-T989 using xda app-developers app

AUTX_buckeye said:
Quick question.
Did you De-bloat your phone? Ie did you remove any apps from the system directory?
Sent from my SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Not since the last time it returned from Samsung. And it's completely stock and unrooted right now.

I did a factory reset and the wifi came back steady for the past day I was slot more selective with my apps as I think this may have been the issue.
Sent from my SGH-T989D using xda app-developers app

curry67 said:
I did a factory reset and the wifi came back steady for the past day I was slot more selective with my apps as I think this may have been the issue.
Sent from my SGH-T989D using xda app-developers app
Click to expand...
Click to collapse
I'm glad this worked for you. I can't tell you how many factory resets I've done and it fails every time within a day. I bit the bullet and did a t-mo warranty exchange. Seeing as so few people actually have this problem, I'm chalking it up to my having bad luck and got a lemon. I hope the new one works fine.

I'd rather have a new one then the same one fixed lol
Sent from my SGH-T989D using xda app-developers app

Home WiFi not working on E4GT

I obviously have the Sprint S2, and I continue to have issues staying connected to my home wifi. I have no problems connecting to other wifi networks. It will connect, then after a few minutes, it disconnects, even though it shows I'm still connected in my notification bar. I've searched high and low. It seems many other people are having the same issue, but no one seems to have a fix. Anyone here know of a solution? Thanks in advance.
Sent from my SPH-D710 using xda premium

thejvicari said:
I obviously have the Sprint S2, and I continue to have issues staying connected to my home wifi. I have no problems connecting to other wifi networks. It will connect, then after a few minutes, it disconnects, even though it shows I'm still connected in my notification bar. I've searched high and low. It seems many other people are having the same issue, but no one seems to have a fix. Anyone here know of a solution? Thanks in advance.
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
Need more info. What ROM what kernel what modem. Also what kind of WiFi router setup.
I have never had WiFi issues with this phone ever.
I'm on an ea4500 at home.
Sent from my SPH-D710 using Tapatalk 2

Could it be your router
Sent from my SPH-D710 using xda app-developers app

I'm thinking it might be the router because I've not had problems with any other networks. I just ask because I've noticed that other people have had the same issues with this phone. Here's a screenie of what I'm running. Thanks
Sent from my SPH-D710 using xda premium

So I finally figured out what the issue was. A lot of mobile devices have a hard time connecting to highly secured networks such as wpa2. If you have a wpa, or wpa2 protected router, you can only use numbered passwords. Up to 10 characters. I tried this, and it's the only solution I found. If that still doesn't work, change your wpa2 security to wpa, with a numbered password only.
Sent from my SPH-D710 using xda premium

thejvicari said:
So I finally figured out what the issue was. A lot of mobile devices have a hard time connecting to highly secured networks such as wpa2. If you have a wpa, or wpa2 protected router, you can only use numbered passwords. Up to 10 characters. I tried this, and it's the only solution I found. If that still doesn't work, change your wpa2 security to wpa, with a numbered password only.
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
I use wpa2+aes without issue with complex keys. don't downgrade security...

calisro said:
I use wpa2+aes without issue with complex keys. don't downgrade security...
Click to expand...
Click to collapse
Try changing the channel on the router, force it to a different frequency B or G only also.
Sent from my SPH-D710 using xda premium

thejvicari said:
So I finally figured out what the issue was. A lot of mobile devices have a hard time connecting to highly secured networks such as wpa2. If you have a wpa, or wpa2 protected router, you can only use numbered passwords. Up to 10 characters. I tried this, and it's the only solution I found. If that still doesn't work, change your wpa2 security to wpa, with a numbered password only.
Sent from my SPH-D710 using xda premium
Click to expand...
Click to collapse
if you have to use numbers and only 10 chars, it sounds like a router config issue. sounds like you have WEP on rather than WPAx

Wifi busted
I actually have the same issue. Wifi worked flawlessly on gb. On ics every time phone goes to sleep it drops, notification says connected. Toggle wifi off and back on works, phone sleep back off. Tried wifi never, only when plugged in. Switched to 2.4 ghz only tried 5 ghz , too. Linksys ea4500 wpa2/aes(setting) brand new. None of the numerous other devices in the house have any issues. Speeds seem awesome.
Tried factory reset nothing works. Even got sprint to get me a new phone, still no solution other than going back to el29. Currently, running fi03 stock rooted. Scared to try latest fi25. Any other suggestions would be great.
Sent from my SPH-D710 using xda app-developers app

Sergio74 said:
I actually have the same issue. Wifi worked flawlessly on gb. On ics every time phone goes to sleep it drops, notification says connected. Toggle wifi off and back on works, phone sleep back off. Tried wifi never, only when plugged in. Switched to 2.4 ghz only tried 5 ghz , too. Linksys ea4500 wpa2/aes(setting) brand new. None of the numerous other devices in the house have any issues. Speeds seem awesome.
Tried factory reset nothing works. Even got sprint to get me a new phone, still no solution other than going back to el29. Currently, running fi03 stock rooted. Scared to try latest fi25. Any other suggestions would be great.
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
still sounds like a router compatibility issue. See if it happens on a different wifi.

The only way i can successfully stay connected is if there is no security or wep is used. Same router nothing had changed. Again worked flawlessly with EL29 update comes to FF18 and it no longer works. Sprint has said it is a known issue with ics on samsung and htc but no fix. Don't want to give up my security just to use wifi. If i roll back to gb everything works again without changing anything in the router. So i don't believe that is it. Plus, i know all about router settings not a noob. I beleive it to be something in the phone update.
Sent from my SPH-D710 using xda app-developers app

Sergio74 said:
The only way i can successfully stay connected is if there is no security or wep is used. Same router nothing had changed. Again worked flawlessly with EL29 update comes to FF18 and it no longer works. Sprint has said it is a known issue with ics on samsung and htc but no fix. Don't want to give up my security just to use wifi. If i roll back to gb everything works again without changing anything in the router. So i don't believe that is it. Plus, i know all about router settings not a noob. I beleive it to be something in the phone update.
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
My wife runs fully stock newest release and its fine. Try a different router. routers can have compatibility issues with devices. Also you say "its a known issue" but can you give a source?
I'm not saying its router settings. I'm saying it can be a compatibility issue between router and phone chipset.

thejvicari said:
I obviously have the Sprint S2, and I continue to have issues staying connected to my home wifi. I have no problems connecting to other wifi networks. It will connect, then after a few minutes, it disconnects, even though it shows I'm still connected in my notification bar. I've searched high and low. It seems many other people are having the same issue, but no one seems to have a fix. Anyone here know of a solution? Thanks in advance.
Sent from my SPH-D710 using xda premium
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Click to collapse
I was having this issue on fi03 and fi25. Tried different modems, kernels, routers with no improvement. Downloaded WiFi keep alive from the market and use workaround #1 and it hasn't been an issue. Doesn't answer the question but it does solve the problem. Hope it helps. Good luck
Sent from my SPH-D710 using xda app-developers app

I guess i should've mentioned there are 2 of the same phone in the house. Wifi works fine on the other device. Source? As in sprint tech support told me over the phone it was a known issue with samsung and htc devices, not all are affected. This is why sprint decided to replace my old non working phone for the new one.
Not sure why of it were truly a setting inside the router why would one work but not the other? Seems highly improbable to me, just saying. I do appreciate the feedback though.
Sent from my SPH-D710 using xda app-developers app

Sergio74 said:
I guess i should've mentioned there are 2 of the same phone in the house. Wifi works fine on the other device. Source? As in sprint tech support told me over the phone it was a known issue with samsung and htc devices, not all are affected. This is why sprint decided to replace my old non working phone for the new one.
Not sure why of it were truly a setting inside the router why would one work but not the other? Seems highly improbable to me, just saying. I do appreciate the feedback though.
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
So two of the same phones. One connects and one doesn't. Interesting. About the tech, seems a pretty wide declaration of an issue. samsung and htc phones. lol. There are a ton of those and its a 'known issue'. If it were a known issue, they would have it tied to a specific phone and wouldn't say 'well err um some phones work and some dont'. lol. Anyway, I don't usually trust those techs.
Back to the issue. If one works and one doesn't... Then it sounds software or still compatibility type issue.
Have you tried these things? If it were me, this what i'd try....
1) I'd reflash your phone's ROM fresh and try again. Full wipe. It's possible the update boinked your wpa_supplicant settings.
2) DHCP: stick a static IP on your android and see what happens. (dont confuse this with a static dhcp lease) DHCP does some interesting things on android phones as far as wakelocks and such.
3) In the router, turn off all the bell and whistle crap... Some of these routers have things like 'afterburner' and things like that. It can cause issues at times. Keep track of what you turn off and obviously if it don't work, turn it back on again.
EDIT:
This is interesting as well. Your not the only one.
http://forum.xda-developers.com/showthread.php?t=1847889&page=4
Try the things I posted but ultimately, you may need to just flash a different ROM version... Doesn't mean you need to go all the way back to EL26. At least you know its not only you...

So I initially called Centurylink, and they told me to change security settings. I did this, and it worked for a short period, but then dropped again. I couldn't figure out why this kept happening, and it had become quite frustrating. Then I realized that I had created a new network with a personalized name and password. My laptops connect fine to that network, but my phone won't, so I connected to the initial network created by Centurylink, and have had no issues. So I can suggest trying that as well. Hope that helps
Sent from my SPH-D710 using xda premium

calisro said:
still sounds like a router compatibility issue. See if it happens on a different wifi.
Click to expand...
Click to collapse
Same issue for me too, since moving from gb. Running S710.10 S.FI27
I see this on both of the WIFI networks I connect with regularly. Home is worse. Every other device at home, including phones, PCs, TVs, tablets: mine and guests, can connect and stay connected just fine. My Epic 4g with ICS can't stay connected to save it's life.
I'm about ready to try the less complex key route, but not my 1st choice. Any other ideas?

my wifi has been actin up since the stupid connection optimizer started appearing
Sent from my SPH-D710 using xda app-developers app

COmark said:
Same issue for me too, since moving from gb. Running S710.10 S.FI27
I see this on both of the WIFI networks I connect with regularly. Home is worse. Every other device at home, including phones, PCs, TVs, tablets: mine and guests, can connect and stay connected just fine. My Epic 4g with ICS can't stay connected to save it's life.
I'm about ready to try the less complex key route, but not my 1st choice. Any other ideas?
Click to expand...
Click to collapse
different rom? mine never ever disconnects running cm10.

Set up both home networks using WPA/WPA2-PSK and no issues. Did have issues at work with WEP so perhaps that's the offending solution? If so try TKIP instead.
---------- Post added at 02:33 PM ---------- Previous post was at 02:27 PM ----------
elliwigy said:
my wifi has been actin up since the stupid connection optimizer started appearing
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
Gone in FI25/FI27 - looks like it won't be re-appearing until JB, at least if FI10 was accurate in this respect.

After OTA 4.1.2 Update, having wifi issues/problem

I was using MrRobinson's stock rooted rom. When OTA 4.1.2 came out, I unrooted, installed patch, ran CF-Autoroot then I'm back to rooted again. However I did notice, every now and then, my wifi stays connected but connection dies. Internet connection is simply dead. So I don't get any email notifications if ever I get new emails. To fix this I have to turn wifi off/on and internet is ok again. I thought maybe I did something wrong so I wipe cache/factory reset, odin back to full stock non-rooted, installed OTA then use Exynos Abuse/Exploit to root. I am still experiencing the same issue. Att Smart Wifi is disabled. Wifi is always on under sleep policy. I have scorched the net and I can't find any solutions Any help would be much appreciated.

Mine is on the oem update no root even, and my wifi sucks now. The signal and connection will be good but it can't up or download anything. Wifi speed and cellular data speeds are all sub 1mbps also. ATT wifi is disabled also.
The only thing that helps me is to just pair to another wifi source, and go back if needed. Annoying! I'd love to find some solution also, I don't mind rooting if need be for it also.
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

Had the same issue. I swapped it out for a new one and it is working fine now with the update
Sent from my SAMSUNG-SGH-I317 using xda premium

thephoneguyusa said:
Had the same issue. I swapped it out for a new one and it is working fine now with the update
Sent from my SAMSUNG-SGH-I317 using xda premium
Click to expand...
Click to collapse
Already have the phone more than a month, don't think I can swap it out
EDIT: Btw, no issues on custom roms, only having issues when using stock rom

ukic said:
Already have the phone more than a month, don't think I can swap it out
EDIT: Btw, no issues on custom roms, only having issues when using stock rom
Click to expand...
Click to collapse
You can still do warranty to get a new one just call att and tell them your situation with it. This would be my best recommendation to you. Or just root and keep running roms. This is one phone that I havent had the urge to customize with a rom or anything yet
Sent from my SAMSUNG-SGH-I317 using xda premium

thephoneguyusa said:
You can still do warranty to get a new one just call att and tell them your situation with it. This would be my best recommendation to you. Or just root and keep running roms. This is one phone that I havent had the urge to customize with a rom or anything yet
Sent from my SAMSUNG-SGH-I317 using xda premium
Click to expand...
Click to collapse
Thanks for the recommendation but I also felt the same before. I thought the phone was fast enough that I didn't need to try custom roms. After trying Scott's ATT CleanRom SE, that idea was simply change. If you haven't, you should try running custom roms. Although, I would still want to know if there is a solution to this problem when running stock rom.

ukic said:
Thanks for the recommendation but I also felt the same before. I thought the phone was fast enough that I didn't need to try custom roms. After trying Scott's ATT CleanRom SE, that idea was simply change. If you haven't, you should try running custom roms. Although, I would still want to know if there is a solution to this problem when running stock rom.
Click to expand...
Click to collapse
I've had similar issues since OTA upgrade to 4.1.2... Wireless auto connects to my wireless when i walk in the house, shows connected, but cannot actually download/upload/browse/etc unless i manually turn off wireless and then turn it back on, it reconnects, and works fine. Seems an issue the phone is having transitioning from celluar network to wireless...

willzilla said:
I've had similar issues since OTA upgrade to 4.1.2... Wireless auto connects to my wireless when i walk in the house, shows connected, but cannot actually download/upload/browse/etc unless i manually turn off wireless and then turn it back on, it reconnects, and works fine. Seems an issue the phone is having transitioning from celluar network to wireless...
Click to expand...
Click to collapse
Thought the question remains, why when using custom rom, you don't get this kind of problem...

ukic said:
Thought the question remains, why when using custom rom, you don't get this kind of problem...
Click to expand...
Click to collapse
Perhaps it's a minor bug somewhere and the custom ROMs happen to pull that wireless code piece from something other than official 4.1.2 where the bug (if it is one) is located.

willzilla said:
Perhaps it's a minor bug somewhere and the custom ROMs happen to pull that wireless code piece from something other than official 4.1.2 where the bug (if it is one) is located.
Click to expand...
Click to collapse
Yeah but hopefully it will get fixed soon. As I was looking for solutions, some people think it's their wifi routers that are having issues.

ukic said:
Yeah but hopefully it will get fixed soon. As I was looking for solutions, some people think it's their wifi routers that are having issues.
Click to expand...
Click to collapse
Perhaps it's an issue depending on what broadcast freq is being used by the router.

willzilla said:
Perhaps it's an issue depending on what broadcast freq is being used by the router.
Click to expand...
Click to collapse
True, but 4.1.1 didn't have this issue. They must have changed something.

I don't know if it is related to the issue in this thread, but I had a problem with the phone since I got it of the WIFI constantly connecting, then disconnecting, then connecting again. I solved it by changing the security model of the router from WPA/WPA2 to WEP128.

serpent2005 said:
I don't know if it is related to the issue in this thread, but I had a problem with the phone since I got it of the WIFI constantly connecting, then disconnecting, then connecting again. I solved it by changing the security model of the router from WPA/WPA2 to WEP128.
Click to expand...
Click to collapse
Yeah saw that thread somewhere but this is a whole different issue. Wifi stays connected but no connection to the internet. You get connection timeout.

Yeah mine just quits. A note 1, a note 10.1, 2 ipads, 2 iphone 4's, and xperia ion and three separate computers have had zero issues on any of the wifi networks here. In fact, if I leave it be, it will not work on the phone, and it now seems to block all the rest from access! If I turn the wifi off on this, perfect immediately afterward. Strange.
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

did you try just simply reset your router?

I had all the problems in this thread after 4.1.2 A factory reset fixed it.

I'm using the international ROM (custom but fairly stock) and started experiencing the same issue when I switched ROMs.
Toggling the wifi always fixes the problem, but it's not a permanent solution. The problem seems to happen when the device goes into sleep mode for me.

Corvida said:
I'm using the international ROM (custom but fairly stock) and started experiencing the same issue when I switched ROMs.
Toggling the wifi always fixes the problem, but it's not a permanent solution. The problem seems to happen when the device goes into sleep mode for me.
Click to expand...
Click to collapse
Yep, when the phone goes deep sleep...

bobmay said:
I had all the problems in this thread after 4.1.2 A factory reset fixed it.
Click to expand...
Click to collapse
+1

Didn't think I had WiFi issues until today.

So myself and the wife are at Applebee's. She gets on WiFi no issues and I can't. See below screen shots. I even rebooted my device to no avail. Mine was always unstable and would drop. Hers was solid see.pics below. Mines the N900T and hers is the N900A. Both using Att sim cards.
I'm thinking Samsung used different chip sets sources for their wifi.
Sent from my SM-N900T

Doubtful that they used different chipsets. So you are both on stock roms, or have you been flashing stuff on yours?

Have you already factory reset your phone? A lot of people have had minor issues and flashing stock firmware or factory reset has helped some issues.
sent from my sm-9005.

Me too I hate it... That and the range my phone has is terrible
Sent from my SM-N900T using Tapatalk

Sitting by pool, about 60ft and 3 walls from the access point. SSID name is "Disconnected" (really messes with the neighbors). Access point is well sitted, up high in my home office fairly new with current firmware..
You can see the 5Ghz version of the AP in the list as well.

You might have to go back to factory rom, or turn your wifi off and disable always scanning. It may be trying to find a better network.
Sent from my SCH-S738C using xda app-developers app

krelvinaz said:
Doubtful that they used different chipsets. So you are both on stock roms, or have you been flashing stuff on yours?
Click to expand...
Click to collapse
Both stock roms.
Sent from my SM-N900T

deeznutz1977 said:
Me too I hate it... That and the range my phone has is terrible
Sent from my SM-N900T using Tapatalk
Click to expand...
Click to collapse
My range is very respectable. But unfortunately today I discovered this issue. It would very slowly connect then disconnect even quicker. Two stock phones on same WiFi in my neighborhood grill lol.
Sent from my SM-N900T

colganx said:
You might have to go back to factory rom, or turn your wifi off and disable always scanning. It may be trying to find a better network.
Sent from my SCH-S738C using xda app-developers app
Click to expand...
Click to collapse
Always scannig is off but in WiFi it does appear to scanning all the time.
Sent from my SM-N900T

Let me do some reading up on it. Ill get back to you.
---------- Post added at 01:46 AM ---------- Previous post was at 01:28 AM ----------
Limeybastard said:
My range is very respectable. But unfortunately today I discovered this issue. It would very slowly connect then disconnect even quicker. Two stock phones on same WiFi in my neighborhood grill lol.
Sent from my SM-N900T
Click to expand...
Click to collapse
Unfortunately, i think its just the hardware. Your phone might have two antennas and if you find your correct kernel, you could change it to run off the best antenna possible. might take some testing and such. if all else fails go to your service provider for a evaluation

colganx said:
Let me do some reading up on it. Ill get back to you.
---------- Post added at 01:46 AM ---------- Previous post was at 01:28 AM ----------
Unfortunately, i think its just the hardware. Your phone might have two antennas and if you find your correct kernel, you could change it to run off the best antenna possible. might take some testing and such. if all else fails go to your service provider for a evaluation
Click to expand...
Click to collapse
Thanks for taking the time to look into this. I never really had WiFi issues before until today in the restaurant. If it wasn't for my wife having the same phone I would have addsumed it was the stores router.
Sent from my SM-N900T

Your quite welcome, always glad to help. My old Galaxy would malfunction the same way sometimes. Sometimes between my router and the neighbors and Other times on random hotspots. Sometimes you may have to go in the browser and accept a terms of use. If you figure out the problem, send me a pm.
Cheers - Colgan

colganx said:
Your quite welcome, always glad to help. My old Galaxy would malfunction the same way sometimes. Sometimes between my router and the neighbors and Other times on random hotspots. Sometimes you may have to go in the browser and accept a terms of use. If you figure out the problem, send me a pm.
Cheers - Colgan
Click to expand...
Click to collapse
Yes, correct. Once after connecfting to the Wifi Router I need to launch the stock Samsung browser to accept their terms and conditions, this process in itself takes about 5 mins or hangs proir to terms and conditions screen it boots me off the WiFi and says its unstable or too slow per my original post.

Its just that theres too many people on the network, Thats the only issue. It mainly does this on public networks. So it is not a phone problem its a client network problem :thumbup:

I had this briefly on my home WiFi. Wasnt a client network as I allow 10 objects to be on mine. Its water under the bridge but that is a possibility on a public network.
sent from my sm-9005.

I had this problem in spades.
It has nothing to do with a public hotspot or router.
I'm not entirely sure it's not on some type of pattern yet, like 7 or 8 days.
I'll bet you that if you had powered off your phone for a few minutes and turned it back on, the problem would have been gone.
I am pretty sure this is something going on with the Radios in these phones.
Everytime mine gets flaky it usually resolves with a power down for a few minutes.
The other problem I've seen is that if I shut down wifi a number of times in a row because I want to use Mobile data, it will then start not staying connected when I want to use it.
I have to power off and power on and re enter the WPA2 password.
After seeing another thread with some other strange issues, I'm convinced there is a HW or SW issue related to the wifi radio.
I have seen the message exactly like you have here on a AP at my house that only has 2 clients on it and performs flawlessly.
It wouldn't connect to attwifi at Sam's yesterday for some reason.
This is one of the reasons I won't ROM it yet either. I'm still not convinced that it might not go home to the mothership at some point.

Will custom roms fix wifi disconnect issue ?

I'm not a newb and I'm pretty sure aosp roms wont have the problem. I think its pretty disgraceful for such a great phone to have these wifi disconnects. No its not the router, I have a note 2 and s2 running flawlessly and I don't want to do a store return for the same phone. Any insight would be appreciated and voiding a warranty is the least of my concerns.

Anyone out there lol

I am interested with this also. Free bump.
Btw, I got authentication error on the wifi, not sure with yours.
Tested with 4 different routers, no go. Meanwhile, my iPhone and Nexus 5 are working fine, so are all my other devices like TV, laptops, IP camera etc.

lanwarrior said:
I am interested with this also. Free bump.
Btw, I got authentication error on the wifi, not sure with yours.
Tested with 4 different routers, no go. Meanwhile, my iPhone and Nexus 5 are working fine, so are all my other devices like TV, laptops, IP camera etc.
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I get that plus I was getting a security error notification I don't remember until I deactivated lookout. Now it just disconnects after maybe 8 minutes or so.

mookiexl said:
I get that plus I was getting a security error notification I don't remember until I deactivated lookout. Now it just disconnects after maybe 8 minutes or so.
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What router and router firmware do you have. Are you using kk or 4.3. Is their heavy traffic on your router channel? Also can you show a screenshot of your WiFi settings.
TWEAKED N3

BACARDILIMON said:
What router and router firmware do you have. Are you using kk or 4.3. Is their heavy traffic on your router channel? Also can you show a screenshot of your WiFi settings.
TWEAKED N3
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I have Asus RT-N66U - stock firmware because DD-WRT have issues. I also tried D-Link, Netgear and Buffalo.. all bought JUST to test this damn Wi-Fi issue. All connection to 802.11n 5Ghz and I tried every single channel out there.
I am using JB 4.3, stock, rooted. Wifi setting is:
- Keep Wi-Fi on during sleep: Only when pluggen in
- Always allow scanning: no
- Auto network switch: no
No heavy traffic most of the time. Issue happens whether I play Netflix or not.

lanwarrior said:
I have Asus RT-N66U - stock firmware because DD-WRT have issues. I also tried D-Link, Netgear and Buffalo.. all bought JUST to test this damn Wi-Fi issue. All connection to 802.11n 5Ghz and I tried every single channel out there.
I am using JB 4.3, stock, rooted. Wifi setting is:
- Keep Wi-Fi on during sleep: Only when pluggen in
- Always allow scanning: no
- Auto network switch: no
No heavy traffic most of the time. Issue happens whether I play Netflix or not.
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Click to collapse
You just solved all your issues. Go on the 2.5 GHz. Forget 5ghz. Test that out I bet you it works. 5ghz has less people on it it also is unstable. Very unstable. I shut mine off on my router cause of all the headaches it was causing.
ASUS RT-N66U Firmware version 3.0.0.4.374.4561
Check ur firmware
TWEAKED N3

BACARDILIMON said:
You just solved all your issues. Go on the 2.5 GHz. Forget 5ghz. Test that out I bet you it works. 5ghz has less people on it it also is unstable. Very unstable. I shut mine off on my router cause of all the headaches it was causing.
TWEAKED N3
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Hmm.. that's bizarre. I have used 5Ghz for a long time and all my other devices (Nexus 5, Nexus 7, iPhone 5, iPhone 5S) works great with the 802.11n 5Ghz radio. No authentication error. My place is also "crowded" with all the neighbors' Wi-Fi, all 2.4 Ghz.
I will test it out, but I found 2.4Ghz is slower when say, streaming netflix. Slightly more buffering.

lanwarrior said:
Hmm.. that's bizarre. I have used 5Ghz for a long time and all my other devices (Nexus 5, Nexus 7, iPhone 5, iPhone 5S) works great with the 802.11n 5Ghz radio. No authentication error. My place is also "crowded" with all the neighbors' Wi-Fi, all 2.4 Ghz.
I will test it out, but I found 2.4Ghz is slower when say, streaming netflix. Slightly more buffering.
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My note 2 would fly on 5ghz. This phone will not. A lot of people have issue. You should download WiFi analytics by netgear and see what channel is best for you and change it manually. Also firmware. Update it
TWEAKED N3

BACARDILIMON said:
My note 2 would fly on 5ghz. This phone will not. A lot of people have issue. You should download WiFi analytics by netgear and see what channel is best for you and change it manually. Also firmware. Update it
TWEAKED N3
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Will do. Thanks for the advise!
OP, try this also and see if it fixed the problem.

I gonna assume it worked for you?
TWEAKED N3

Ok say I went ahead and rooted and installed Jedi and still had an unstable connection issue so I tried pac-rom and confirmed no issued with wifi, went back to Jedi and was still getting wifi disconnects. After a lot of hair pulling and google search I found a xda user post in a thread (I can't remember where) were an owner of the note3 and s4 said he fixed his wifi disconnects on both phones by changing his routers band settings to g or b and not mixed g/b like it had been set on. I decided to give it a try so I switched mine from what was a b/n band to just a b band and low and behold I was able to stream a whole movie via allshare without a disconnect where as before it was about 8 minutes before a disconnect. I hope this thread helps somebody. I will report back with an update In a day or so.

mookiexl said:
Ok say I went ahead and rooted and installed Jedi and still had an unstable connection issue so I tried pac-rom and confirmed no issued with wifi, went back to Jedi and was still getting wifi disconnects. After a lot of hair pulling and google search I found a xda user post in a thread (I can't remember where) were an owner of the note3 and s4 said he fixed his wifi disconnects on both phones by changing his routers band settings to g or b and not mixed g/b like it had been set on. I decided to give it a try so I switched mine from what was a b/n band to just a b band and low and behold I was able to stream a whole movie via allshare without a disconnect where as before it was about 8 minutes before a disconnect. I hope this thread helps somebody. I will report back with an update In a day or so.
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So pretty much what I said days ago .lmao
TWEAKED N3

BACARDILIMON said:
So pretty much what I said days ago .lmao
TWEAKED N3
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[Thats right, you my friend deserve a beer but had I not abandoned my on thread a day I wouldnt be rooted now and on 4.4.2 lol.And yes I should've referenced your 1st reply in this thread because thats what triggered the search for router settings for 4.3-4.4.2 sammys. If you don't mind I want to post a screenie from my router settings and see if you could possibly help me get my wifi speeds higher than the 5mb I'm getting after I made the change, before I always got atleast 25mb on the speedtest.net app . I'll have to wait till I get home.

mookiexl said:
[Thats right, you my friend deserve a beer but had I not abandoned my on thread a day I wouldnt be rooted now and on 4.4.2 lol.And yes I should've referenced your 1st reply in this thread because thats what triggered the search for router settings for 4.3-4.4.2 sammys. If you don't mind I want to post a screenie from my router settings and see if you could possibly help me get my wifi speeds higher than the 5mb I'm getting after I made the change, before I always got atleast 25mb on the speedtest.net app . I'll have to wait till I get home.
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OK post a shot then I will pm you. Need the routers info make model and so forth
TWEAKED N3

Never one wifi problem anywhere ever with my note 3 on stock rootes kk.
Sent from my SM-N900T using xda app-developers app

BACARDILIMON said:
OK post a shot then I will pm you. Need the routers info make model and so forth
TWEAKED N3
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Thanks for the help I went back in and set my belkin n+ router to 802.11n and 20mhz and Ive gotten back to 25mbps rock stable.

mike102871 said:
Never one wifi problem anywhere ever with my note 3 on stock rootes kk.
Sent from my SM-N900T using xda app-developers app
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you probably dont have a router that is not set up perfectly on 5ghz

BACARDILIMON said:
I gonna assume it worked for you?
TWEAKED N3
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Sorry for the late reply, the new Tapatalk 4 interface is damn confusing (was using the old version)... I hate it.
Anyways, I moved to G and so far so good. We shall see!

lanwarrior said:
Sorry for the late reply, the new Tapatalk 4 interface is damn confusing (was using the old version)... I hate it.
Anyways, I moved to G and so far so good. We shall see!
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Well the fact that you have been on it for more than a day without issue I say it a win. Any other issues could be something else.
TWEAKED N3