Stock 4.0.3 WiFi not working - Galaxy Tab 2 Q&A, Help & Troubleshooting

I hope someone on here can help me as I'm trying to fix my dad's Tab and he is on holiday at the moment!
The Tab no longer connects to WiFi. He is travelling around and it will say it has connected to a hotspot but nothing is happening when trying to use the network.
As an example my mum is using an iPad at the same place which when it conencts to the network immediately asks for the user/password. The tab connects but doesn't request anything further. I have tried getting him to remove the conenction and rescan but no luck.
I need to try and get it fixed as I told him Android was better tha Apple. Help!!!

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[Q] WP7 Wifi connectivity problem

Hi lately i have been experiencing troubles with my wifi.
The router signal is strong and whenever i turn on my phone it will be connected in less than a few seconds but WITHOUT connectivity. (ie. the wifi symbol shows connected but i cant browse the net)
The only work around for this is to manually disable and re-enable wifi for my phone to be truly connected. (Which is very tedious)
I know this may be a router problem as well but in the past i didnt have this issue.
Im using HTC Mozart 7 - updated to 8107
I was wondering if anyone is having this issue too and knows of a solution to it.
Thanks
unplug the router and plug it back in (after 30 seconds)
Home routers are noted to stop handing out addresses at random times. Rebooting re-enables this so the phone can get an address and get on the net.
Hm my router is working properly. All my other devices are connected with connectivity. Whenever i turn on my phone, it also says connected (but without connectivity), so the work around is to disable and re-enable my "phone" wifi and then my phone is connected WITH connectivity.
To do that is quite tedious every single time... and it seems like a connection bug in my phone if all my other WIFI devices are connecting properly
Thanks
Hi guys.
I have the same issues with my Omnia 7 too. Started a few days ago. Cant sync emails, nor surf on my phone. It seems like itss connected to my network. I have my latop and other phone working on it like a charm. Any ideas?
Hi,
I have the same problem on my Omnia 7 and it all started after the 8107.79 OS Update.
The WiFi works fine when you first connect but after the phone is not used for a few minutes and I turn it on, it's shows as connected but I can't load any websites.
If I disconnect the WiFi and connect again it works fine
This is a serious issue!!!
I have also tried to restart my router but this didn't solve the problem.
Did you guys found a workaround?
Thanks!
Same here
I have the same problem (after 8107 update).
It connects to my wifi, and strangely sometimes (but that's rare) working, and get pages to load on, but then it shows the connection, but can't load any page in IE.
Also, reconnecting doesn't solve always the problem.
Any suggestions what to do?
After i have done a hard reset, and reverted back to 7740, i don't got any problem to cennect to my home wifi.
But the disappearing keyboard is really annoying, so i want the 8107 update features, but not the bugs of it.
Still no other one have problems with the wifi connection @8107???
We are 3-4 who got the problem, so i don't think its so user specific...
Another news
After reverted back to 7740 i decided to update one more time to 8107. (If something will go wrong then I have a backup of my Omnia7 with WP7 Easy Backup).
So i updated to 8107 one more time (no KK2 update arrived, CSC and PDA is KI4), and now the wifi connection works fine.
So try to revert back to an earlier version (with a backup), and then update again, maybe it can solve the problem
Yea.. but that is really random then... its like saying ur update is better than my udpate!! haha even though its the same material overall
Im sure more people have this issue as well just havent seen this thread
Hello ! I have the same problem with my HTC HD7 I have to take off the battery to let WI fi work again this is very annoying!! A fix for this please!!
Sent from my HD7 T9292 using XDA Windows Phone 7 App
count me too ! Omnia W
Not working - again
I've done a backup in 7740, so i reverted to it for 1 day, and there was no problem with the wifi.
Then i decided to give another try on 8107 - and it worked well for 3-4 hours. That was 2 days ago (as you can see in my earlier posts)
But now it have the same problem, connects to the home wifi, but after a while the internet is missing, however the connection remains! Can't load any page on IE and can't connect with any app that needs internet connection.
This is a serious problem, and i see that others have this problem too, so we should deal with it!
Any expert that know something about this issue?
HTC Trophy with the same WiFi problem.
I have same problem on my LG Optimus 7.
anyone with problems receiving incoming calls too? sometimes freezes the screen and have to take the battery out and put it again to reboot!
Same problem here with HTC Titan. The prob started after the 7740 update. Now running 8107. Turning the WiFi off and on again does work (thanks Mercea2) but, as he says it is tedious.
I'm having a similar (same?) issue on my Omnia 7 - the problem hasn't always been there though.
I've come up with a work-around - turn off 3G data while in range of WiFi, and turn WiFi off when not in range and switch 3G data back on.
If only one is turned on at a time, my people hub updates instantly. If both are on, it takes many attempts and a long time.
Seems like there is some issue switching between 3G and WiFi...
3G/wifi not working together
As someone said it before, the wifi keeps giving errors if 3G data connection and wifi is also turned on!
If i switch off and back the data connection switch (!!), then the wlan works again for a while. If i switch data totally off then works flawlessly.
Any workaround for that?
Maybe a homebrew, that can switch off data connection temporarily, if the phone is connected to a wifi network, and after disconnecting it will switching back. But I think if it can be done, than just on fully-unlocked roms (i have Omnia7, and unfortunately DFT SammyRainbow is not ready yet)
My wifi/3G problem started with the 8107 update (Omnia7, not KK2).
So any suggestions what to do?
Ok.... this is getting on my nerve... whats the point of having wifi on if it doesnt connect the moment that its suppose to!!!
Can we inform anyone about this?
Same problem here with HTC mozart after the update... worked for 2 days and then no more wifi
Hope microsoft put an update soon

[Q] Samsung galaxy i9000 won't connect to wireless any more

Hi all,
I have a Galaxy i9000 and it won't connect to wireless. It used to connect just fine, then one day it stopped working. I ignored it for a while (3G still works) and once I finally got around to trying to see what had happened, I could see that the phone does connect to wireless networks (at home and at work), but once it had authenticated to the network, it would fail at "Obtaining IP address from <network name>". There's no error message, but the phone just sits at that stage forever. Not obtaining an IP address makes it pretty hard to connect to a wireless network
I don't know what happened to make this problem occur, it's been about a month now since it happened. I have AdFree installed on the phone, that writes to the hosts file, right? I suspect that it may have been a hosts file update which had caused this problem, but I'm not sure.
Does anyone have any suggestions as to what may have caused the problem?
Thanks!
what about reflashing your phone?
so you have everything stock
if this doesn't solve the problem then contact a service, or if you have warranty, just send it back...
same problem
The funny thing is is have exactly the SAME PROBLEM ... SINCE the same time?!?!
mybe we got some kind of virus for phones? ... altho i do have anti viral software on the phone. and i didnt upload any kind of stuff on it for at least half a year.
hard rest phone
try resetting your phone to factory default
I am also experiencing similar wifi issue..except I get pass obtaining ip address it's after that I get error message "authenticate problem".??
My brothers works fine connects within second on home wifi, when I connect on same wifi I get error message..I have tried restoring previous wifi data..I have done phone reset too but nothing works
I did some googling and found brief answers not that helpful..but it was mentioned that frequency range I'm trying to connect is incorrect.
"does anyone know how to change wifi frequency mgh our any help"
question
Hello , did anyone solve the problem ? My I9000 wifi problem apeared today. thanks
same "authentication problem"
Well after i flashed custom rom (android 4.0.4 -SmoothieICS-v2) i canĀ“t connect to wifi any more. But mobile data works perfectly.
And before flashing custom rom ,wifi worked jsut fine. phone is Galaxy S Plus I9001 .

[Q] (Solved) Tethering issue

Hi folks, looking for some help.
I am able to connect my tab 2 to my home wifi no problem.
I have also connected it to my Galaxy s2 phone using wifi tethering.
What i have found though is that on several occasions when i am in work and try to tether to my phone, that settings will show that i am connected to my WI FI hotspot but i cannot connect to any internet pages. I recall many moons ago that when i sometimes changed modem connections on my home pc that i had to reboot everything to have the old settings forgotten and the new ones set. Does anyone know if there is something similar when you move from home WIFI as your last connection to WI FI Tethered hotspot as your new one. Is there something i need to do to have the tab or phone release the old settings and take on the new ones. Hope that is a clear enough explanation of my problem. Thanks for any help offered
Is this a one time thing or does it happen often? Are you rooted? rom?
Both phone and tablet are stock, no rooting done to either. It happens regularly, today again in work it happened. Had to forget the connection and reconnect several times until eventually I was able to connect to internet. Really annoying as it shows as wifi connection is strong at all times.
ps some additional info.
I had used the tab tethered to my phone in work to show case how good the tab was. I can get intrrnet connection no problem on my phone, the tablet shows it is tethered to WIFI hotspot, just when i click on an internet link, no page appears. It annoys the bejeezus out of me cos i know it should be simple. I even tried bluetooth tethering and it wouldnt work either, when it did previously. What i am thinking is that i had juice defender on both my phone and tab and recently uninstalled it as i had read there was no real benefit in using this with ICS. I am wondering if it has possibly screwed up some setting or other in the phone or the tab, i.e. maybe set something and then when i have removed the program, it has not reset something, yes that sounds pretty vague i know. Anyway, thanks again and thanks for any further suggestions. p.s. i may try reinstalling juice defender on both devices to see if it makes a difference.
doc1964 said:
Both phone and tablet are stock, no rooting done to either. It happens regularly, today again in work it happened. Had to forget the connection and reconnect several times until eventually I was able to connect to internet. Really annoying as it shows as wifi connection is strong at all times.
ps some additional info.
I had used the tab tethered to my phone in work to show case how good the tab was. I can get intrrnet connection no problem on my phone, the tablet shows it is tethered to WIFI hotspot, just when i click on an internet link, no page appears. It annoys the bejeezus out of me cos i know it should be simple. I even tried bluetooth tethering and it wouldnt work either, when it did previously. What i am thinking is that i had juice defender on both my phone and tab and recently uninstalled it as i had read there was no real benefit in using this with ICS. I am wondering if it has possibly screwed up some setting or other in the phone or the tab, i.e. maybe set something and then when i have removed the program, it has not reset something, yes that sounds pretty vague i know. Anyway, thanks again and thanks for any further suggestions. p.s. i may try reinstalling juice defender on both devices to see if it makes a difference.
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Click to collapse
I don't know if his will work, but, instead of tapping on the connection and hitting connect button, try pressing and holding down on the connection until a menu shows up. Try connecting from that screen.
Sent from my GT-P3113 using XDA Premium HD app
You said both are stock and unrooted?
I would try rooting your phone and freezing tethering manager. If i recall right if tethering is not allocated on account, i beleive that the carrier can disable tethering through that app,i could be wrong but it may be worth a shot.
Or your could try a tethering app from the market, like PDA net or the tethering app from CWM also there is a tethering app on google code website.
let me know if that helps
Try Bluetooth tethering instead.
Edit: re read your post.
Try forgetting, the re-pairing the devices. It took several tries for me, or try fox-fi for your phone, and PDAnet for the tablet.
Sent from my HTC Sensation 4G with Beats Audio using Tapatalk 2
I had also removed avast virus protection as well as Juice defender from the tab. It seemed to be shortly after this that the problem arose, it may be a coincidence but i thought it may be some setting or other that had been changed. I hard reset both my phone and the tab but the problem continued.
In the house i could connect to my home WIFI everytime without issue, then if i tried to tether to my phone it would not connect. I would jump between one connection then the other and eventually it would connect to the phone.
Anyway, thats the history, now to what is happening now. The other day i read somewhere about putting tab in flight mode before tethering, so i tried this and it has worked first time every time since, so i am hopeful this is a permanent solution. What does surprise me is that the tab is not a 3g tab so i would not have thought putting it in airplane mode would make any difference but, hey it has so if anyone has similar issues it may be worth giving it a try. Good luck.

[Completed] Wifi connection kills Android phone

Hello there, I have a weird issue with my android phone, suddenly when I try to connect to a specific network using Wifi my phone gets blocked (Black screen) and is totally unresponsive, the only way to get back the phone to work is doing a full factory reset, This happens since yesterday afternoon when I get back to the office and tried to get connected to my office network, everything was working fine with my phone, no new apps installed recently, am on KitKat 4.4.2 and as I told you everything was fine till yesterday. I try to connect to my home wifi network and to other places, even public networks, and it works fine without problem, it seems is just with my office network but the IT group told me no changes was made in the network configuration since past 2 week.
Any sugestion, troubleshooting tips???
Thanks a lot
Hi there,
Please give us more details about your device.
Thanks

WiFi issues after Marshmallow update

Hey guys,
Having an issue with WiFi since the Marshmallow update. We have an open WiFi network at work that you need to sign in to the firewall to access internet. Previously it worked fine, but after the Marshmallow update, my phone constantly drops the WiFi network. It always happens when I lock the phone or otherwise let the screen turn off for more than about a minute, but it also happens even when I'm using my phone, if I'm on for more than about 5 minutes on average it drops the network. When I go to reconnect, it lists under the SSID "Internet not available" but I just tap the network and tap connect and it connects anyway, doesn't even make me sign into the firewall again. I'd really appreciate some help with this, if I can't get this fixed I'll be doing away with Android for good. I don't use my phone for much other than Facebook and games, so I'm not at all opposed to using a custom ROM if that would help. Just haven't installed one since CM7 on my HTC Evo Shift, so I duno which would be best for my situation. Thanks in advance for any input!
Bump. Hopefully someone has a solution...
One more bump before I give up...
Hi, I'm on stock firm, and after the last upgrade, I cannot connect to my work's wifi network. It's a EAP-MSCHAP2 connection. At home, wifi works flawlessly....
Fertz70 said:
Hi, I'm on stock firm, and after the last upgrade, I cannot connect to my work's wifi network. It's a EAP-MSCHAP2 connection. At home, wifi works flawlessly....
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Click to collapse
try talking to your system administrator at work. The upgrade may cause a comparability issue that maybe fixed by a simple tweak at work.

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