[Q] Wifi problem - Network Disabled Poor Connection - Galaxy Note II Q&A, Help & Troubleshooting

Hello all,
As with some other users on this forum, I'm having trouble connecting my N7105 running N7105XXDMC3 (rooted) to some Wifi hotspots (other devices, such as my laptop and tablet connect OK to these networks). I've had a look at some of the proposed solutions on this forum (such as disabling Keep Wifi on during sleep or disabling Check for Internet Service), but they don't seem to work. I've also seen some suggestions that this is a 4.1.2 specific thing, and that reverting back to the 4.1.1 wifi files solves the problem. I've tried that as well by downloading the relevant wifi files from a couple of places (xda, another website), copying them to /etc/wifi and also /etc/dhcpd (changing folder permissions to rwxr-xr-x), rebooting the phone and trying again, but to no avail.
I even tried using Connectify on my laptop to create a wifi hotspot to act as a bridge between the problematic wifi hotspot (hotel) and my Note 2 - although other devices are able to connect to my Connectify hotspot (laptop, tablet), my Note 2 still fails to connect, giving the same error message.
Any thoughts?

Related

[NEO] Strange wifi problem. Connects but no internet.

Hello. I have xperia neo for 1 week. It is great phone and great upgrade from my X8 but i see a strange wifi problem. My firmware is latest version - 4.0.A.2.368.
At my home phone connects fine to my wireless network and everything is stable. I do not see any disconnects, reboots or other problems. My router is linksys wrt320N and i connect at wireless N speed - 72Mbps.
When i try to connect to the wireless N network at my office the phone connects fine but i do not have internet access. I have IP assigned by the router, network is shown as connected but i do not have connectivity. I tried with 3 different browsers and with the market and nothing connects. At the same time i can connect with my laptop to the same network and i have internet. My colleagues with other phones also connect and have internet.
I tried setting static IP address on the phone but this did not help. I read that if i set static IP in router's settings assigned to the mac address of the phone this will help. Unfortunately i can not test this because i do not have access to router's settings. Also at my home i did not make such settings and everything is working fine.
Previously i have seen this problem with my X8 and the same work wifi network but it was not always present. It was present with some custom firmwares and not with others.
If you have any ideas or have seen this problem please help.
Having the same device from Globul I never had such problems for the 2 weeks I'm using it. I had some disconnects but i put the blame on my router.
if you can try changing the wifi channels
I think I've found the issue (by facing by myself)
The version neo is shippe (2.3.2) has a serious bug on AES encription.
Actually only the upgrade to 2.3.3 (no clue about upcoming 2.3.4) can fix the WPA/AES issue.
So the actual solutions are:
or change your wifi securty to WEP, updathe the phone via OTA
or use the Windows Software and update to 2.3.3.
Please note that if you use the Control Power widget it has been removed in 2.3.3
This was my problem when I had just bought my Arc.My phone couldn't surf the internet with my personal wifi network although I tried to use many browsers and also Android market. Then I reset and reinstalled my router, everything works well ^^
Ask your office IT staff to do a simple power cycle on the router and try connecting again. That may solve the problem.

[Q] Problems tethering with Galaxy Nexus portable hotspot in android 4.2

I am having a problem tethering my laptop and my desktop computer to my Galaxy Nexus ever since I installed the 4.2 update. My Nexus 7 tablet does not seem to have any issues connecting.
My laptop is a Lenovo Thinkpad T60-2007 which has an Atheros 42T0825 wifi chip. It used to connect to the Android 4.1 Galaxy Nexus hotspot without any problems under Win XP. Immediately following upgrading the Galaxy Nexus to Android 4.2 the laptop had problems. The laptop would connect to the tethering wifi hotspot, but would not be able to browse the internet (or in a few rare circumstances, would browse extremely slowly with frequent errors that would prevent web pages from loading).
I tried a factory reset on the Galaxy Nexus (which still left the phone at android 4.2), and there was no change in behavior.
I tried removing the wifi password and running the hotspot as an 'open network' and there was no change in behavior.
I tried a Windows XP reinstall on the laptop (to Windows XP SP3) and there was no change in behavior.
I replaced the wifi card (with and identical model) and there was no change in behavior
As a last resort (and because the laptop needed it), I installed Windows 7 Ultimate 64-bit on a new SSD and put in additional 2 GB of RAM.
Now although the laptop can still see the hotspot, it cannot connect to it. Even though the correct password is typed at the prompt, it gives a 'Network Security Key mismatch' error and will not connect. The laptop can connect to the hotspot if it is set as 'open', but will not connect to any sites or web pages (i.e. same problem as before with Win XP).
The laptop *does* work with the Galaxy Nexus via USB tethering, which suggests that there is some kind of wifi issue, but the laptop connects to my home wifi network (Linksys E3000 running stock firmware) just fine.
My desktop computer (running Windows 7) exhibits the same behavior as the laptop under Windows 7.
I was able to get a Macbook and a Dell Latitude laptop to connect to the wifi hotspot and successfully browse the internet (I will have to look up the model numbers later).
I am writing to try to find out whether anyone has noticed any similar problems/incompatibilities and whether anyone might know the causes.
Is there a problem with the b/g/n connectivity of my laptop? Did the wifi hotspot b/g/n configuration on Android change with the 4.2 update? Might a bad install of android 4.2 on my phone be to blame? Maybe there is a problem with g or n protocols? Which does the 4.2 hotspot use?
Thanks in advance
same problem with me
Tarzanman said:
I am having a problem tethering my laptop and my desktop computer to my Galaxy Nexus ever since I installed the 4.2 update. My Nexus 7 tablet does not seem to have any issues connecting.
My laptop is a Lenovo Thinkpad T60-2007 which has an Atheros 42T0825 wifi chip. It used to connect to the Android 4.1 Galaxy Nexus hotspot without any problems under Win XP. Immediately following upgrading the Galaxy Nexus to Android 4.2 the laptop had problems. The laptop would connect to the tethering wifi hotspot, but would not be able to browse the internet (or in a few rare circumstances, would browse extremely slowly with frequent errors that would prevent web pages from loading).
I tried a factory reset on the Galaxy Nexus (which still left the phone at android 4.2), and there was no change in behavior.
I tried removing the wifi password and running the hotspot as an 'open network' and there was no change in behavior.
I tried a Windows XP reinstall on the laptop (to Windows XP SP3) and there was no change in behavior.
I replaced the wifi card (with and identical model) and there was no change in behavior
As a last resort (and because the laptop needed it), I installed Windows 7 Ultimate 64-bit on a new SSD and put in additional 2 GB of RAM.
Now although the laptop can still see the hotspot, it cannot connect to it. Even though the correct password is typed at the prompt, it gives a 'Network Security Key mismatch' error and will not connect. The laptop can connect to the hotspot if it is set as 'open', but will not connect to any sites or web pages (i.e. same problem as before with Win XP).
The laptop *does* work with the Galaxy Nexus via USB tethering, which suggests that there is some kind of wifi issue, but the laptop connects to my home wifi network (Linksys E3000 running stock firmware) just fine.
My desktop computer (running Windows 7) exhibits the same behavior as the laptop under Windows 7.
I was able to get a Macbook and a Dell Latitude laptop to connect to the wifi hotspot and successfully browse the internet (I will have to look up the model numbers later).
I am writing to try to find out whether anyone has noticed any similar problems/incompatibilities and whether anyone might know the causes.
Is there a problem with the b/g/n connectivity of my laptop? Did the wifi hotspot b/g/n configuration on Android change with the 4.2 update? Might a bad install of android 4.2 on my phone be to blame? Maybe there is a problem with g or n protocols? Which does the 4.2 hotspot use?
Thanks in advance
Click to expand...
Click to collapse
i am also facing the same problem when i try to connect to any wi-fi network. it stucks on obtaining ip address. even though the password is correct. even i tried hotspot way to connect. via different s/w like connectify even i tried to make hotspot via cmd shell commands too. in that same it is not able to connect.
i dont know what the problem. i am currently using 4.2.1 rooted JB. i am planning for factory reset. but as you did earlier and no success so i might not do.
even with open wifi network it is not able to connect..!! it happen after the update..
deeprocks31 said:
i am also facing the same problem when i try to connect to any wi-fi network. it stucks on obtaining ip address. even though the password is correct. even i tried hotspot way to connect. via different s/w like connectify even i tried to make hotspot via cmd shell commands too. in that same it is not able to connect.
i dont know what the problem. i am currently using 4.2.1 rooted JB. i am planning for factory reset. but as you did earlier and no success so i might not do.
even with open wifi network it is not able to connect..!! it happen after the update..
Click to expand...
Click to collapse
The inability to either create a mobile hotspot and connect to it is why I went back to stock rooted 4.1.1. I have tried Muzzy and AOKP and could not create and connect to a hotspot using native tethering or Wifi Tether. It has been a while since I checked the forums, but did not see a solution that helped me
PS - I was trying to tether mobile devices not laptops though
My issue resolved on its own...!! Don't know how..!! but now I can use WiFi tether and also reverse tethering too..!! Reverse tethering is really too handy thanks to xda members for making awesome apps.
Sent from my Galaxy Nexus using xda premium
Tarzanman said:
I am having a problem tethering my laptop and my desktop computer to my Galaxy Nexus ever since I installed the 4.2 update. My Nexus 7 tablet does not seem to have any issues connecting.
My laptop is a Lenovo Thinkpad T60-2007 which has an Atheros 42T0825 wifi chip. It used to connect to the Android 4.1 Galaxy Nexus hotspot without any problems under Win XP. Immediately following upgrading the Galaxy Nexus to Android 4.2 the laptop had problems. The laptop would connect to the tethering wifi hotspot, but would not be able to browse the internet (or in a few rare circumstances, would browse extremely slowly with frequent errors that would prevent web pages from loading).
I tried a factory reset on the Galaxy Nexus (which still left the phone at android 4.2), and there was no change in behavior.
I tried removing the wifi password and running the hotspot as an 'open network' and there was no change in behavior.
I tried a Windows XP reinstall on the laptop (to Windows XP SP3) and there was no change in behavior.
I replaced the wifi card (with and identical model) and there was no change in behavior
As a last resort (and because the laptop needed it), I installed Windows 7 Ultimate 64-bit on a new SSD and put in additional 2 GB of RAM.
Now although the laptop can still see the hotspot, it cannot connect to it. Even though the correct password is typed at the prompt, it gives a 'Network Security Key mismatch' error and will not connect. The laptop can connect to the hotspot if it is set as 'open', but will not connect to any sites or web pages (i.e. same problem as before with Win XP).
The laptop *does* work with the Galaxy Nexus via USB tethering, which suggests that there is some kind of wifi issue, but the laptop connects to my home wifi network (Linksys E3000 running stock firmware) just fine.
My desktop computer (running Windows 7) exhibits the same behavior as the laptop under Windows 7.
I was able to get a Macbook and a Dell Latitude laptop to connect to the wifi hotspot and successfully browse the internet (I will have to look up the model numbers later).
I am writing to try to find out whether anyone has noticed any similar problems/incompatibilities and whether anyone might know the causes.
Is there a problem with the b/g/n connectivity of my laptop? Did the wifi hotspot b/g/n configuration on Android change with the 4.2 update? Might a bad install of android 4.2 on my phone be to blame? Maybe there is a problem with g or n protocols? Which does the 4.2 hotspot use?
Thanks in advance
Click to expand...
Click to collapse
I have not been able to get any form of wifi AP to work since flashing over to 10.1 CM. it turns on the AP and I can get wifi to link but can't get an IP and any kind of connectivity to the internet... so far, I haven't been able to find any help for the issue but I'll keep reading!
this was after a wipe data & cache install of 10.1.

[Q] Networking issue in android 4.2.1 Galaxy Nexus

Hello,
i've come from this thread thread
I have a galaxy nexus running stock android 4.2.1 with a very peculiar problem. From time to time i have trouble accessing a certain website if i try from wifi or from mobile connection it doesn't matter. If i restart the device the website works without a problem. It was a very odd problem and kept bugging me so i tried to focus on finding the real cause. After a lot of try and error i managed to arrive at this situation:
I have at my disposal 3 different wifi networks (lets call the wifi-1,wifi-2,wifi-3) and mobile broadband connections.
after a reboot of the phone (just to have a clear state) if i connect to wifi-1,2 or mobile conn the website works OK. if i connecto to wifi-3 the site also works OK but then after i disconnect from wifi-3 and connect to any of the other wifi-1,wifi-2 or mobile conn it doesn't work anymore. If i connect to wifi-3 again it works fine on that network.
I've connected to the phone using connectbot and checked the ip address and different params. and i simply can't get a ping to that website. a similar website located in the same subnet but on a different IP still works.
So what could happen on the network layer on the phone to stop working the connection to a certain IP?
Where could i find some info about how to debug IP networking issues on android 4.2.x
PS: I control both the phone and the servers that i'm trying to reach and can't see any traffic coming from the phone on the server.
PS1: I couldn't reproduce the issue with android 4.2.2 only with 4.2.1 (i've also tested android 4.4.4 and couldn't reproduce) i've tested 2 different phones with 4.2.1 and the problem reproduces.
PS2: IPv6 is disabled on wifi networks
PS3: all networks use different ip address classes and the IP changes accordingly. i was able to reproduce the issue only with a specific website/ IP
I was hoping someone would have answered you here.
Let me ask you this. Can you do process of Elimination ?
Choose a different Web such as this site http://forum.xda-developers.com
Next Connect the phone to each network and the Data in turn. Each time, first wipe data to the Browser on your phone. Go to the website. See if it loads and interacts well. (Go to some forum or log in etc.)
Switch to the next network and repeat. Let me know how that goes.
Next find a computer and have it do the same thing with internet Explorer. Clear IE's cache data each time. See how that goes as well with this site as your test site.

[Q] GPS Hotspot issues

I have a Rogers M8 that I have converted to a GPS currently with 5.0.1 from here.
It's been running seamlessly for quite some time.
I just tried hotspoting it. Everything appears to be working.
I'm using a mac, when I connect to the hotspot everything looks good. But no Internet connection.
I tried an nslookup Google.com and was Refused.
Any ideas?
Oh, and fwiw, my network provider (roam) does not block tethering
Check to see your mac is authenticated in the hotspot. Its a mini router so it should work almost the same.
Also try another device to check whether or not its just the mac thats causing an issue.

[D855] WiFi unavailable

Hey I got some problems with the WiFi connection, it connects but it says internet not available, although the wifi network is working in other devices. I tried doing a full wipe or flashing a kdz, but still have the same problem. Have u got any ideas to resolve this? Thanks
I'm having the same problem. I don't know if it's like this for the OP, but the hardware itself seems to work. It detects connections just fine, I can install wifi analyzer and it displays and measures all nearby connections no problem. However, when I try to connect to wifi, it says "saved. secured." It won't tether either. I've tried with multiple modems and routers, it just won't connect.

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