[Q] Wi-Fi / MAC address issues on my OPO - ONE Q&A, Help & Troubleshooting

So far, my wi-fi has been working fine on Android L - except for when I'm home where my router has white-listed its devices with their MAC-addresses. It worked fine when running Android 4.4, but I had no success yet on Oxygen, cm12 nightlies or cm12s.
Whenever i try to connect, it says "Connecting.." and switches to "Saved" after some time and then tries to connect again. I have removed the whitelist and it connected fine - but as soon as the router restarts, I can't connect again. Even if my device's MAC address is whitelisted.
Strangely, it does connect once after a fresh cm12 or Oxygen installation, but only once. Disabling and re-enabling wifi will not let my OPO connect to it anymore.
Anyone having similar issues or any advice? It seems like my OPO doesn't want to reveal its MAC address to my router. Other devices can connect without any problems.

From Ubuntu Touch porting I know that the OPO uses a default (private) MAC address at startup until it get initialized with the correct one, save somewhere in a config or firmware partition. We are also currently unable to use more than 2 OPOs in the same network due to MAC address collission. Maybe you have the same problem, as it turns out, as our port is based on Lineage/CM for OPO.

corschdi said:
So far, my wi-fi has been working fine on Android L - except for when I'm home where my router has white-listed its devices with their MAC-addresses. It worked fine when running Android 4.4, but I had no success yet on Oxygen, cm12 nightlies or cm12s.
Whenever i try to connect, it says "Connecting.." and switches to "Saved" after some time and then tries to connect again. I have removed the whitelist and it connected fine - but as soon as the router restarts, I can't connect again. Even if my device's MAC address is whitelisted.
Strangely, it does connect once after a fresh cm12 or Oxygen installation, but only once. Disabling and re-enabling wifi will not let my OPO connect to it anymore.
Anyone having similar issues or any advice? It seems like my OPO doesn't want to reveal its MAC address to my router. Other devices can connect without any problems.
Click to expand...
Click to collapse
Try flashing the modem/radio from one of the latest stock fastboot flashable ROMs perhaps? This may resolve your issue, especially if you where on a stock ROM that was old before you started flashing custom ROMs. There was once an app that would allow you to truly spoof your Mac address, but I believe it wasn't working for anything above Jellybean or Kit Kat. It used to be great help for moments such as these.

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[Q] Wifi on my Sensation works fine everywhere except im home!

While everywhere I go I can get a wifi internet connection, when I try at home I connect to wifi but I cannot get any data connection! My router is fine because all my friends use it to connect on the net with their phones.
Any ideas anybody?
A possibility
There are some cases where the router is not compatible wit Android devices and allows them to connect properly onto the wifi network, but not getting the proper IP, subnet and so on. Have you tried to manually enter these details into the phone and try out if there will be any Internet access afterwards or not.
In some other cases, maybe the DHCP pool is empty so it can not provide you with an IP, where manually entering the IP details should again help. But I think this is very rare case. About the first case though, I met some issues with the routers and the Android devices.
Hope this will solve the prob..
Have a lovely day!
Did you try rebooting your router? This happend to me sometimes too, my laptop can connect just fine but not my phone & a router reset always fixes it.
I have tried to manually enter the IP address, subnet and so on into the phone but still I cannot get an internet connection! I have also rebooted my linksys rooter but still nothing!
Log into your router and change the output channel. Sometimes if the router is putting out on a high channel say 13 for example this can cause some devices to not be able to communicate with it. So try changing it to a low number say 3. This should solve the problem.
kabuk1 said:
Did you try rebooting your router? This happend to me sometimes too, my laptop can connect just fine but not my phone & a router reset always fixes it.
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Click to collapse
This is more than likely because your router is set up to automatically switch to the channel that is the least congested, again if this is a high channel this can cause problems for some devices. What you are doing when you turn it off and on again is resetting the channel. I recommend you also manually select the channel by logging into you router and changing the settings.
I changed manually the router number several times but still no connection!
This issue is due to WIFI encryption. Try WEP or WPA encryption. I was facing the same issue. When i changed the encryption to WPA I am able to access the net.
uttamhoode said:
This issue is due to WIFI encryption. Try WEP or WPA encryption. I was facing the same issue. When i changed the encryption to WPA I am able to access the net.
Click to expand...
Click to collapse
Yes, it might be encryption, might be the channel selection as well as previously stated.
The thing with the channels is not only if they are on higher or lower, but they are just a little hops on the frequency side so for example if some other device is working on the same or close to yours channel, it might interfere and give you disconnections from the wifi, slower speed, no connection at all etc. etc.. So in some case the channel selection (changing the wifi channel) may do the trick. Unfortunately in your case as I can understand this is not true.
About the encryption, there is also one more thing as a security and that is not allowing the devices automatically, but with it's MAC addresses.
I would recommend just for testing purposes to try and disable all the security and check out the connection that way.
What sort of IP details did you entered on the phone? I mean - I was thinking of entering an IP different from the pool, subnet usually 255.255.255.0 (depends) and the Default Gateway to be the router's IP. Then for the DNS if you can try with the OpenDNS and one from Google.
And if you would like to share some info if there are any other devices connecting with the wifi at the premises and how they are working.
Hopefully you will resolve the issue, soon!
Have a lovely day!
bump
having same issues ever since I flashed latest insertcoin ROM
I tried the 2.3.5 ROM and was having issues connecting to wifi, so I went to the 2.3.4 SSE, but wifi issues did not clear up. It hangs on obtaining IP.
This happens for all settings, static and dynamic, router reset did not help, modifying channels did nothing, neither did changing encryption settings. The wifi connection works for every other device in our home, including a stock Sensation.
Thanks in advance for any help. Since I'm a noob on forums I can't post to the dev section about this.
syuusuke said:
bump
having same issues ever since I flashed latest insertcoin ROM
I tried the 2.3.5 ROM and was having issues connecting to wifi, so I went to the 2.3.4 SSE, but wifi issues did not clear up. It hangs on obtaining IP.
This happens for all settings, static and dynamic, router reset did not help, modifying channels did nothing, neither did changing encryption settings. The wifi connection works for every other device in our home, including a stock Sensation.
Thanks in advance for any help. Since I'm a noob on forums I can't post to the dev section about this.
Click to expand...
Click to collapse
Hi, since the stock sensation is working properly, why don't you flash the relevant stock rom and see if that works, seems like all else failed

[Q] Wifi not working with LG P500

Hey guys, I have an LG p500 and I use custom roms. Currently using CM 6.5.7 (2.3.5) and randomly I got this. It says my wireless is disabled. I am unable to include a photo as I am new to the forums. But basically it shows my wireless name and "disabled, secured by blah blah". I've tried forgetting the network, still same problem. Reflashed and wiped cache and dalvik.
I am unable to connect to my wireless, it just says disabled. This randomly happened, and wifi was working fine for 6 months, It worked fine on 6.5.7 but just randomly said that. I can connect all other wireless devices to the router, so whats the problem
1nf3rn0x said:
I've tried forgetting the network, still same problem.
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Click to collapse
'Forget' all the networks until you no longer have 'Not in range' networks. Maybe reboot your phone and try connecting again. It should work.
Nope, didn't do it.
Still says the same thing.
I experienced a similar problem with my home network (with the same rom) and solved by introducing manually the IP adress, gateway, netmask & the DNS. (got them easily by looking at the properties of my wireless network from a laptop and choosing an IP address within the range supported by my router). Now my phone is always connected using this configuration, but it only works optimally with the network for which settings are valid.
Might be a ROM bug. someone alerted to mik about this bug to fix it?
I have the same problem too. My WiFi randomly stopped working and when I turn the WiFi on it says "connecting" and then "disconnected". When I try to scan for more it doesn't do anything. I am also using the Cyanogen Mod as well.
The problem is probably that usb debugging is turned on. Try turning it off.
explain me pls
xsam123 said:
I experienced a similar problem with my home network (with the same rom) and solved by introducing manually the IP adress, gateway, netmask & the DNS. (got them easily by looking at the properties of my wireless network from a laptop and choosing an IP address within the range supported by my router). Now my phone is always connected using this configuration, but it only works optimally with the network for which settings are valid.
Might be a ROM bug. someone alerted to mik about this bug to fix it?
Click to expand...
Click to collapse
(got them easily by looking at the properties of my wireless network from a laptop and choosing an IP address within the range supported by my router) how i should do this can explain me i have win 7

[Q][NS4G][D720][CM9] Wifi connection issues

I am running the latest version of the ROM found here:
http://forum.xda-developers.com/showthread.php?t=1519138
I am having basic issues connecting at home; once connected I am fine but sometimes if I leave and come back I can't connect at all. Rebooting had no effect. It will just sit there and do nothing even if I try forcing it to connect or forgetting the network and resubmitting the needed information.
It is worth noting that while running stock 4.0.4 before I flashed the rom I had little to no troubles with wifi; it even handled EAP like a champ (I have yet to test it on EAP with this rom).
Any/all help is appreciated...thanks!
**EDIT** I believe the problem may have something to do with the fact that I am running the latest CM9 nightly on my HP Touchpad, as only one device seems to be able to connect at a time, although I know that they both can and have connected simultaneously. The device that doesn't connect seems to have issues obtaining an IP Address from the router.

[Q] Can't connect to wifi after Jelly Bean update

After updating to Jelly Bean, I cannot connect to my Wireless N router. However I can connect to my Wireless G router and I can connect via my Phone and FoxFi. I tried a paperclip reset on my infinity and a reset on the wireless N router.
Anyone else have this problem? Any idea how to resolve?
GregFromUtah said:
After updating to Jelly Bean, I cannot connect to my Wireless N router. However I can connect to my Wireless G router and I can connect via my Phone and FoxFi. I tried a paperclip reset on my infinity and a reset on the wireless N router.
Anyone else have this problem? Any idea how to resolve?
Click to expand...
Click to collapse
I ended up switching my wireless router from N only to N/G mixed mode and was able to connect... I verified I was still connecting via N and not G after making the change so I'm not sure yet what is going on yet. Everything worked fine until the JB update. I'll look at it more later when I have time.
Also, the router is a Buffalo WZR-HP-G300NH2 running the latest version of DD-WRT and it is set to WPA2 Personal Mixed and TKIP+AES, though I tired every combination and nothing worked (even disabling security completely) until I switched from N only to N/G Mixed mode.
GregFromUtah said:
I ended up switching my wireless router from N only to N/G mixed mode and was able to connect... I verified I was still connecting via N and not G after making the change so I'm not sure yet what is going on yet. Everything worked fine until the JB update. I'll look at it more later when I have time.
Also, the router is a Buffalo WZR-HP-G300NH2 running the latest version of DD-WRT and it is set to WPA2 Personal Mixed and TKIP+AES, though I tired every combination and nothing worked (even disabling security completely) until I switched from N only to N/G Mixed mode.
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Click to collapse
Check the system date. Work for me.
Connecting to my work WIFI no longer works. We use EAP/PEAP with active directory integrated authentication. It tries to connect several times before giving up. Worked perfectly fine with ICS. I used to have the same problem with my old HP Touchpad (in WebOS).
bgroins said:
Connecting to my work WIFI no longer works. We use EAP/PEAP with active directory integrated authentication. It tries to connect several times before giving up. Worked perfectly fine with ICS. I used to have the same problem with my old HP Touchpad (in WebOS).
Click to expand...
Click to collapse
Something definitely changed in JB that is causing issues for some with wireless network connectivity.
I experienced the same thing (worked fine with ICS). If your wireless is set for N only, try changing it to N and G mixed mode and see if that makes a difference. I did not have to change the authentication method, just N to N/G mixed mode to get it to work.
Though that resolved the issue for now, I sure would like to know what the real cause is (exactly what changed in JB?).

annoying WiFi issue 4.1.2 Jb

hey guys..i am having this annoying issue..when i try to connect to my wifi..it just says obtaining ip address for a long time and then it says poor network disable poor connection..password is correct, signal is full as i am sitting right next to my laptop..it connected for 1st time only and after that i gets stuck in obtaining ip address loop..please help..i am using stock JB 4.1.2 firmware ddulp8
seems to be linux based...
heartbrake said:
hey guys..i am having this annoying issue..when i try to connect to my wifi..it just says obtaining ip address for a long time and then it says poor network disable poor connection..password is correct, signal is full as i am sitting right next to my laptop..it connected for 1st time only and after that i gets stuck in obtaining ip address loop..please help..i am using stock JB 4.1.2 firmware ddulp8
Click to expand...
Click to collapse
Dear heartbrake,
i had this issue eversince upgrading to 4.1 from 2.3. Exactl the same behaviour - but: I have the same thing happening with any linux distro i use at my house. Debian, Ubuntu, Kubuntu Linuxmint or openSuse they all showed up with at least 10 times trying to connect and hanging at "obtaining IP Adress" similar to my phone. With any Win device a connect is instant if Winphone or Windows Laptop.
BUT:
Last week i flashed CM10.2 and at that point the WIFI did connect as it should. So Problem solved for me
Hope this helps you a little
Cheers
heartbrake said:
hey guys..i am having this annoying issue..when i try to connect to my wifi..it just says obtaining ip address for a long time and then it says poor network disable poor connection..password is correct, signal is full as i am sitting right next to my laptop..it connected for 1st time only and after that i gets stuck in obtaining ip address loop..please help..i am using stock JB 4.1.2 firmware ddulp8
Click to expand...
Click to collapse
You do have DHCP turned on on router? Try to wipe cache in recovery.
shut_down said:
You do have DHCP turned on on router? Try to wipe cache in recovery.
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Click to collapse
It can also happen that there is a problem obtaining a IP for a linux based system while beeing in an area where two WIFI transmitters with the same SSID blend e.g. a range extender or an access point.
Windows somehow just does not give a s**t... dont know if i like this - better sort the the things out than to instantly step over an issue - but i dont have the time to wait 10min each time trying to connect to WiFi.
The Wifi of my LG TV shows two identical SSIDs to connect to(Router and the Range Extender), all other machines just one(the stronger one)
shut_down said:
You do have DHCP turned on on router? Try to wipe cache in recovery.
Click to expand...
Click to collapse
yeah dhcp is enable and my router is configured to dynamic ip address..i even got obtaining ip address loop in cm 10.1 team canjica..i managed to connect to wifi by using 3rd party portable hotspot software for windows8..the phone now connects and no loop appears..i think its a 4.1 jb software bug as many users have posted it on youtube too..
dawnofkardath said:
Dear heartbrake,
i had this issue eversince upgrading to 4.1 from 2.3. Exactl the same behaviour - but: I have the same thing happening with any linux distro i use at my house. Debian, Ubuntu, Kubuntu Linuxmint or openSuse they all showed up with at least 10 times trying to connect and hanging at "obtaining IP Adress" similar to my phone. With any Win device a connect is instant if Winphone or Windows Laptop.
BUT:
Last week i flashed CM10.2 and at that point the WIFI did connect as it should. So Problem solved for me
Hope this helps you a little
Cheers
Click to expand...
Click to collapse
not experienced with linux but i think its a bug in firmware 4.1 jb..i even got the same bug in cm 10.1 and i managed to fix it by using 3rd party hotspot software for windows as it now assigns the ip address without any problem..

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