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Wifi on Cyanogen issues

I just finally got sick of waiting for an official Froyo(Bell isn't about to give me an upgrade anyhow.) So I went to a froyo rom that was based on one of the stock roms. But I figured since I'm rooted anyhow why not play around, and grabbed cyanogen 6.1 and installed it. Then I end up with the issue of its not connecting to my wifi, I have no issues on the stock 2.2 roms. One thing I have noticed is the cyanogen shows the network as wep, but it's actually wpa encrypted. I flashed into it from the stock without clearing it first and it worked until I shut off and came back to it. Any ideas on what might be the issue. I'm fairly new but I did look and couldn't find anything to fix this.

I assume you flashed 6.1 stable version? I have no issue whatsoever on my device (and I also used official froyo previously). Did you wipe all before flashing 6.1?

He said he "flashed without cleaning"...so I presume no wipe. This could be the problem, a wipe is strongly adviced if going to CM from a non CM ROM. Also check the number of WiFi channels set by default in advanced settings of wifi. It is set for 11 and if the router is set to 13 or 14 it could not work
Sent from my Legend using XDA App

I had the same problem when i was installing CM6.1. (with wipe)
The phone could just se a wep version of my network and not the wpa that i have. But after i turned on and off the wifi a couple of times i suddenly saw the wpa version of my network and after i connected to that the problem was solved. I also did click "forget network" on the wep version.
Hope this will help you

ricky007 said:
I had the same problem when i was installing CM6.1. (with wipe)
The phone could just se a wep version of my network and not the wpa that i have. But after i turned on and off the wifi a couple of times i suddenly saw the wpa version of my network and after i connected to that the problem was solved. I also did click "forget network" on the wep version.
Hope this will help you
Click to expand...
Click to collapse
Trying this now but no go. Sometimes will flash it as wpa and then jump back to wep. This is after a full wipe. What I was trying to say was once I flashed in without wiping and it worked for a bit but jumped right back to not working, after the phone going to sleep.

Bump.
Any insight into this issue? Still only reading my network as wep.

Try installing "WiFi Advanced Configration Editor" from the market. You should be able to change to WPA manually with it.

Did you try to reset your wifi router?sometimes the issues came up from wifi router, not the phone itself.
Mine is fine. I share my broadband wifi to my phone using connectify.
The only problem remains is wifi disconnect frequently, but I heard that it's due to a new kernel which I use (.32 kernel)
hope it helps

Ya reset the router a few times, and it still came up like that. I did install the wifi advance config software mentioned it seemed to fix it. I didn't actually set anything up on it and it seems to have fixed it. Thanks.

CM 6.1 messed up my wifi. Wiped everything, but it suddenly doesn't find my networks.
Wiped again and restored nandroid backup of working rom but STILL the same issue now!! Can I flash the wifi drivers again somehow?

[Q] Wifi no longer working after setting up VPN

I'm on CM dal .32 test build 3.1
Today I tried setting up a VPN but failed. The screen became frozen and I decided to reboot my Nook Color. However, after rebooting my wifi is no longer working. It says "connecting" but then "disconnected" Scan option didn't show any network.
Anyone can help me?

CM7.0.3 with Nook Color no longer works
Hi,
I've run into the same issue with my nook color. I'm not sure if this is an issue with the kernel or the physical device. I know that this is not a router issue since I'm able to connect other machines to my router. Also, I no longer see any other hotspots with the Nook.
I tried some suggestions that I've found on other websites, which include
Shutdown Tablet and start again
Re-install Google Apps
Use Fix Permissions in Rom Manager
None of these work. Any suggestions or is this a known bug?
lazinase said:
I'm on CM dal .32 test build 3.1
Today I tried setting up a VPN but failed. The screen became frozen and I decided to reboot my Nook Color. However, after rebooting my wifi is no longer working. It says "connecting" but then "disconnected" Scan option didn't show any network.
Anyone can help me?
Click to expand...
Click to collapse

Same here, I was using nightly 115 with Dalingrin's 6/18 OC kernel when the problem started. I've since rebooted multiple times, fixed permission both from CWM and in Rom Manager, flashed nightly 117 without flashing OC kernel, and still haven't solved the problem.
Wifi just stays "Connecting" and then changed to "Disconnected" briefly and go back to "Connecting" again.

Just reflash your ROM or the latest ROM and DON'T mess with any OC kernels.
Does it work? If so, try the OC kernel again. If it fails, let Dal know in his OC kernel thread, and just re-flash your ROM again to return to the stock kernel. Wipe cache/dalvik as necessary, but don't wipe data and you're not going to lose anything.
One suggestion I have is if you're using AES on your router, try changing from WPA2 to WPA or changing WPA AES (or AES+TKIP) to just WPA TKIP and see if that fixes the problem.
There's a long standing issue with some routers regarding AES in Android, and apparently some laptops also had this issue on older kernels.

Flashing to the latest rom without messing with the kernel was the first thing I tried (other than turning wifi on and off multiple times). It didn't work.
What eventually worked was when I wiped data and factory reset it. Some how that fixed the wifi.
The strange thing is I had just recently factory re-setted coming from an old (pre 2.6.32) nightly a couple of days ago, and had not gotten around to installing much, and I did not restore from backup. i.e. the only thing installed when the wifi problem suddenly appeared were the google apps, Aldiko, QuickPic, Rom Manager, MoboPlayer, and a few ADW themes. None of which sound like they should do anything that messes up the wifi.
I doubt it has anything to do with the router, because I tried connecting it to my router (tkip), hotspot from my android phone (unlocked) and hotspot from my iphone (unlocked). My phone just did not see any network around at all, not even the 5-6 different network from other people in the building.
As mentioned, I have factory wiped my NC and all is fine again now, so I'm not too concerned right now, just curious what could have caused the problem.

[Q] Wifi - Obtaining IP

I am several hours around my phone and still wasn't able to figure out what's wrong with the wifi.
So, for the start, i was using ICS 4.0.3 for about 2 months or something, everything was fine. Today i decided to install a custom JW5 to give it a try, since it has some "secundary" features that i would like to use. The problem came after this. At first, i installed everything just fine, on first boot i can connect my wifi to my router, but as i start to use the internet (browser or google play) it just disconnects after 5 seconds or so. After that, the wifi stay on a loop scan-obtain ip-disconnect. If i just switch off and on, it won't pass the obtain ip. For it connects, i must reboot the phone.
I thought it was a rom problem, so, i started trying another roms: jw5, jw4, jw1, all custom and all stock, none worked. I tried to use several modems, like jw4, jvq, jvu and so the same with kernels: semaphore kernel, stock kernel, everything. Nothing worked.
Although, i tried the old JVQ rom and wifi worked just fine. I didn't tried ICS again because i don't want to go back to it and neither i want to use an old rom like JVQ, so, is there any way to fix this?
Rebooting the modem and router didn't work aswell and i have 2 other computers using it just fine (just like the galaxy worked until today). If someone could help me, i appreciate, i'm really tired wasting time with this.
EDIT: i forgot to mention, i tried with static ip, didn't work either.
EDIT2: i already tried delete the file from /data/misc/dhcp too.

[Q] WiFi will not turn on with InsertCoin Rom 8.1-1

A few days ago I got a notification saying there was a software update for my T-Mobile HTC One but couldn't download it because there was no WiFi available at the time. So when I got to work I ran the update and it installed fine. Then after the update completed I noticed I was not getting and WiFi connectivity. It was showing that I was connected to the network but there was no internet. So I backed everything up and did a factory reset thinking maybe that would fix the issue. When it rebooted and I tried typing in the wireless password it kept failing and turning the WiFi on and off sporadically.
So when I got home that night I unlocked and rooted my phone and installed TWRP. I flashed Bulletproof Kernel since the T-Mobile Kernel is write protected from what I have read. I created a backup I could flash to in case something went wrong and had to go back to stock ROM. I tried flashing with the newest Android Revolution and Viper ROMs but both got an error saying it couldn't open the .zip file. I eventually got InsertCoin to flash but now the WiFi won't turn on at all. I then restored using the backup I had just made and had the same issue from before I did the factory reset. WiFi sporadically turning on and off and couldn't connect to any network.
Any ideas what the problem could be?

Wifi dropping

It happened 1 month after using cm13 then I tried flashing a lot of other ROMs and it didn't help. It doesn't work on any WiFi, connects and after 5 seconds it disconnects and says “saved”

Have you tried flashing a baseband of your software variant and check it the issue still persists?