Wi-Fi on custom ROMs - Galaxy Note II Q&A, Help & Troubleshooting

Last night I tried flashing cynogenMod 10.1.3 on my stock 4.1.2 Note 2. I followed their instructions, and everything went well but the Wi-Fi never connected to my router. It stayed saying connecting... then network saved. The password was correct. I restored my backed up ROM and on it the Wi-Fi was working. I flashed the cynogenMod Nightlies 10.2 and the same problem was there. I downloaded a stock ROM and flashed with Odion, and the Wi-Fi worked. I flashed Ressurection Remix ROM and on it as well the Wi-Fi didn't work. I tried a few non touchwiz ROMs and all of them the Wi-Fi didn't work, it only works on stock ROMs and TW based ROMs. Is there a way to know more about the cause of this issue? Did other experience such an issue as mine?
I would be greatly obliged if anyone can offer me help.

I have tried many custom roms of every type and build, never had any issue with wifi
perhaps you can try to setup static ip address on the connection instead of DHCP, see if that helps, or try installing something like wifi manager from the store, and use it to connect, see if it gives any more info ?
sorry if this doesn't help, can't think of anything atm

Related

[SOLVED] Cannot Obtain Ip Address

After flashing the latest Radio and ROM from DJDroid, I have been unable to actually connect to my WiFi. I have since then flashed LeeDroid's ROM onto my Desire, and I am still unable to connect to the WiFi of my router. Now I was fine before I flashed this new ROM, so I am unsure what has happened. Does anyone have any suggestions?
Adam
EDIT: I have solved the issue. Dont worry
Would you mind sharing how you solved it?

[Q] Why does my wireless cut out when logging in?

Hi all. I have searched and nothing pertains to my problem.
I upgraded to a new rom (coredroid 7.1), and even going back a rom version my wireless keeps logging in and then disconnects for no apparent reason. It doesn't even pick up the IP address. Show's 'connecting' then 'disconnected' straight after. The one radio i have used has worked flawlessly.
Any ideas on what is going on?
Philosofical said:
Hi all. I have searched and nothing pertains to my problem.
I upgraded to a new rom (coredroid 7.1), and even going back a rom version my wireless keeps logging in and then disconnects for no apparent reason. It doesn't even pick up the IP address. Show's 'connecting' then 'disconnected' straight after. The one radio i have used has worked flawlessly.
Any ideas on what is going on?
Click to expand...
Click to collapse
It can be a kernel issue... some kernels are not compatible with certain routers to get info from them to connect. Try flashing a different kernel and see the results.
Ah I tried a new radio and Kernel but it still does the same thing. Rebooted the router and reinstalled my phone rom as well and nothing changes with the problem.
try flashing a rooted stock rom. if still cannot connect, i hope you're still under warranty and send it back to htc
Ah well after flashing a new radio and kernel then reflashing the rom, it decided to work again after I changed the channel on the router....... Confused yet? I was. So thanks for your help it's now working fine.

WIFI issue not working on certain roms

As thread says for some reason when I try roms out and enable wifi nothing happens, I have flashed different ones and the only one I can get wifi working on is Android Revolution rom anyone got any ideas.

[Q] CM11 WiFi doesn't connect

Hi there, my first post.
I've used arco68's guide to root my S4 mini LTE (serranoltexx) and flashed the CyanogenMod 11 M9 snapshot (cm-11-20140804-SNAPSHOT-M9-serranoltexx.zip), but the WiFi isn't working properly. Sometimes it connects (very rarely), but most of the time it just says "Connecting", "Authenticating..." and then goes back to say "Saved, secued with WPA" and the process repeats again.
I've tried flashing the following ROMs, but the WiFi isn't working properly on either of them:
cm-11-20140804-SNAPSHOT-M9-serranoltexx.zip (current)
cm-11-20140708-SNAPSHOT-M8-serranoltexx.zip
cm-11-20140813-NIGHTLY-serranoltexx.zip
Other things I've tried so far:
Using CM File Manager to delete contents of /data/misc/wifi and rebooting, as described here, but it didn't help.
Installed SQLite Debugger, went to Settings Storage > setttings.db > Global, where I wanted to change the value of wifi_display_on to 0 as described here, but it was already set to 0, so no luck here.
Changed the Region Code in WiFi settings (as described here) to United States, then to Europe, but this didn't help either.
Installed the latest nightly update, but still nothing.
Basically, I've tried everything I could find, but the WiFi still doesn't work, and I have no idea why. I don't want to downgrade to CM 10.2, since later when I decide to upgrade to CM 11, I'd need to wipe all the data and make a clean CM11 install. Also, I don't want to flash any other ROM except CM, so telling me to install Paranoid Android or anything else wouldn't help.
If you have any ideas how to solve this, that would be great! Also, feel free to ask for any additional details.
Update: I've just discovered that it connects to open WiFi networks without any problems (though I've only tried it on 2 so far), so probably WPA encryption or my old home router can be the cause of the problem. I can only change my home router to WPA (it doesn't work with WPA2), so I've yet to try it on another router supporting WPA2. If that works, it would solve the whole problem! I'm ashamed to say I haven't thought of this earlier...
Update 2: I just tested it on a WPA2-protected WiFi network and it connects without problems. The most likely conclusion seems that CM11 has some problem with WPA, so for the time being I'll switch to another router with WPA2. Hopefully gets fixed with the next snapshot!

WiFi Failed to Connect

Hello everyone,
Whenever I try to connect to a protected wifi network, I get this 'failed to connect to network' error. So it started when i was using Blisspop. WiFi was working great until suddenly it felt like no data was being transferred by wifi. I forget the network and then tried to relogin to it, but I started getting this error. I proceeded to fullwipe and reflashed just Blisspop without gapps or anything but I get this error when setting up WiFi for the first time in google setup. Then, I flashed resurrection remix which didn't ahve this problem. Follwing, I flashed cm12 and euphoria rom(aosp) and they both had this failed to connect to network issue, therefore it is not only a cm problem. May I know what might have happened and what can I do to fix it? Since no one else seem to have this problem. I repeatedly flash back resurrection remix and it always worked like a charm. I assume stock would work too, but I can test it if anyone needs that information. Thanks guys!
D855

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