[Q] weird wifi connection issues - Nexus S Q&A, Help & Troubleshooting

i've been switching between aosp's ics build and various gingerbread roms, and the other day while setting ics up again i couldn't sign in to my google account with wifi. no big deal, that's happened before. so i went back to 3g and continued the setup.
now, the weird part. i could see my wifi signal, it would try to connect, then the status would read "disabled." it would try to connect over and over but wouldn't work. so i set about troubleshooting and loaded a nandroid of oxygen. it was connected to wifi at boot, but would not load a thing. i tried a fresh install of the same rom and same deal, unable to connect to wifi.
i was getting really frustrated at this point, thinking maybe my phone had effed up because my xbox, wii, and my wife's evo had no trouble connecting. on a whim i decided to do a fresh install of cyanogen, and what do you know. . . no problem connecting! i then loaded up gapps, signed into my google and, ****! it could no longer connect
anyhow i figured that for some reason whatever settings had been backed up to my google account made it impossible to connect to my wifi. i seem to have resolved it by unchecking restore settings from google, and hopefully for good by keeping my current setup backed up.
anyone else encountered something like this? made for a very frustrating sunday afternoon. . .

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[Q] Bizarre... data is totally gone, only voice/sms works

Hey everyone, first post here. Been a Droid Eris user with KaosFroyo/CM for a few months now, and everything has been awesome until a few days ago.
I lost all data connectivity.
2G, 3G, WiFi, same exact symptoms. Every app that uses data throws the error in its own specific manner, but always some variant of "No data connection" or "Network unavailable" or "Check your connection" etc. etc.
On the handshake level, everything seems normal. I can connect to WiFi networks and it does the usual "Obtaining IP Address..." --> "Connected." I get the WiFi logo in the notification bar. And I have the 3G logo unless I turn cell data off, and it's up/down arrows even flash a little right after I turn cell data on.
It broke almost a week ago, so you can be sure I've tried many WiFi networks and many cell towers and rebooted many times and taken the battery out... all the usual stuff. There is something seriously wrong. Help!
Thanks,
Mike
I'd try a master reset. If that doesn't change anything, call your service provider and see if the phone can be swapped for another under warranty. Did this with a Droid 1 a few months back with Verizon w/o any problems.
Good luck!
Edit: I just noticed you are running a mod on that phone. Have you run Fix Permissions? Sometimes that irons out bugs that appear. I'd get with the developers and see what they say. One thing you could try is to re-install that mod. Be sure to wipe all data when you do. It'll be like starting over; but, starting over with the mod installed.
Good luck!
Back up and wipe the phone and reinstall the rom
Master reset did the trick. Unfortunately I didn't have great backup tools, and I couldn't even install new ones due to lack of connectivity (and apk's not always available). Saved my sms history at least, by copying the database to sd and back, thanks to root.
Really appreciate the noob help culture. (must say, it's weird being one, as I'm generally proficient except that I joined the Android world by purchasing a pre-rooted/modded phone)

Wifi problem just reared its ugly head after 48 hours with official Froyo

I may have bragged too soon on good ol' official Froyo. I had a smooth install and the only problem I've noticed is the messed up Quick Office deal like most others. Today I just had another problem start.
I've been using my secured home wifi network fine, but for some reason the Captivate will no longer connect to it. I've tried doing a battery pull, turning the phone off and back on, and even completely removing the home network from the list and then putting it back in. I'm sure the password is correct. It just sits there, saying "Obtaining IP address". It retries several attempts, and eventually gives up and lists my home network in the list as "Disabled"
This is significant suckage!
Sent from my SAMSUNG-SGH-I897 using XDA App
I had similar problem try unplugging router and plugging back in
Bless your heart! That did it! I just read on the AT&T forums that someone else had the exact same problem and he did a factory reset of his phone which fixed it. I was hoping I wouldn't have to go there
I found an easy solution to the problem. Open Allshare, then you should be good to go.
After opening Allshare, hit connect.
Yes sometimes power cycling the router is all that is needed. I notice this with laptop sometimes too.
kb0npw said:
Bless your heart! That did it! I just read on the AT&T forums that someone else had the exact same problem and he did a factory reset of his phone which fixed it. I was hoping I wouldn't have to go there
Click to expand...
Click to collapse
Yeah that was me...
I tried everything else before the factory reset, but the reset fixed it, now I've got wi-fi with no problems
If you do a factory reset, I realize you have to reinstall all your apps, but what about the ones I paid for? Will I have to purchase those again? I'm thinking of doing one just because I think it will smooth things out and get rid of a couple of weird quirks like the Quick Office icon problem.
kb0npw said:
If you do a factory reset, I realize you have to reinstall all your apps, but what about the ones I paid for? Will I have to purchase those again? I'm thinking of doing one just because I think it will smooth things out and get rid of a couple of weird quirks like the Quick Office icon problem.
Click to expand...
Click to collapse
anything you purchase with your google account is tied to your google account. you dont have to re-buy those...for any phone that you log into your google account.
Has anyone tried my fix? Sure beats having tofactory reset...I'm just sayin.
Sent from my SAMSUNG-SGH-I897 using XDA App
yamabigdog said:
Has anyone tried my fix? Sure beats having tofactory reset...I'm just sayin.
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
It works, but you have to do it every time, so it's more of a workaround than a fix.
I had an issue with connecting to one of my work wifi routers (would just sit there saying 'obtaining IP address' but never would connect) and could not fix it until I tried using "FXR WiFi Fix and rescue" app from the market. Free app, will erase ALL of your saved WiFi data so make sure you have your passwords for encrypted networks, but this fixed it with one click and a reboot. Seems to connect faster to the networks now as well. I had a similar problem after the previous update that went out OTA and had to reset the phone for that one.
I thought about trying this app, as my wifi issue returned today. I thought I had gotten rid of it by doing the factory reset, but alas it's back. I'm really contemplating a custom ROM more and more every day. I just don't know which one to go with that will provide everything I need. This app sure asks for a lot of permissions, so I'm sort of leary about istalling it.
Welp, I bit the bullet and tried the FXR app. No dice for me. I'm waiting for the wife to get done surfing so I can try a router power cycle. If that doesn't work, I'm looking at my second factory reset in less than a week. Froyo, you suck! I never had wifi issues until I upgraded to 2.2. What I can't understand is, why some of my issues are better, yet some are worse. Is it that difficult for these idiots to figure it out?
Just going to throw something out there, that I noticed yesterday. I'm on a custom ROM, but I noticed some pretty flaky results to my wifi, but only when I was using the modified TouchWiz launcher. The wifi had trouble connecting, and wouldn't sleep. The notification dropdown widget wouldn't control it. Then I switched to Go Launcher EX, and the behavior stopped.
Check another launcher, and see if that makes a difference. Sure, it's a longshot, but I'll be interested to see if the stock TW has the same issue as the modded version.
I was having the same wifi problem after updating firmware to official 2.2 kb1. I used fxr and now wifi connection works great.
byteme2008 said:
I had an issue with connecting to one of my work wifi routers (would just sit there saying 'obtaining IP address' but never would connect) and could not fix it until I tried using "FXR WiFi Fix and rescue" app from the market. Free app, will erase ALL of your saved WiFi data so make sure you have your passwords for encrypted networks, but this fixed it with one click and a reboot. Seems to connect faster to the networks now as well. I had a similar problem after the previous update that went out OTA and had to reset the phone for that one.
Click to expand...
Click to collapse
Seems to have worked great for me. Thank you for the app find!
Hello! I had the same problem wifi and use the "FXR WiFi fix and rescue" program stopped deleting profiles anyone have a solution?

[Q] [AT&T] Wifi from hell, help?

So, before rooting, my One X had great Wifi connection. No issues. Now that I'm rooted, I can't connect to wifi to save my life. I tried the wifi fix (not the ROM, but the 3 files instead) and still nothing.
I've tried turning off Mobile Network while wifi was on, turning mobile network on while wifi was on, tried restarting the wifi....
I cannot get a connection to the Store, browsers won't open webpages, it's essentially done for. Yet every other device in my house can access the router just fine (and it's not just here, it's elsewhere.)
Anyone have any ideas how to fix this short of flashing the new ROM (which I can't do from my house since the HTC drivers always fail to install.)
Have you tried running fix permissions to see if there's some sort of error holding things up? The only other thing I could think to do is to do a factory restore of the phone, unfortunately...

Lost LTE and internet access on some Wi-Fi networks after flashing Cyanogenmod

This is the first help post for anything tech-related that I've ever posted- I'm usually good enough with Google to fix my own problems, but this one has me flustered.
Until yesterday I was running DigitalHigh's GPE ROM but decided to give Cyanogenmod another try after some persistent lag issues. Everything went fine during the install until I noticed that I was stuck on 3G no matter what I did- airplane mode, reboot, clear the cache, try to update APN settings, etc., nothing helped. Additionally, while the phone will connect to my home wireless network, it has a ! next to the connection symbol despite my being able to use the network with my laptop. The funny thing is, this only happens with some networks. Neither my home network nor the network at work will give me internet access, but if I plug an ethernet cable into my laptop and create an access point that way, I'm fine.
Here's what I've tried so far after scouring these and other forums:
-Reverted back to the previous ROM
-Flashed new firmware
-Flashed two new kernels
-Tried every different APN setting I can think of
-Popped out my sim card, waited a bit, and popped it back in
-Rebooted countless times
-Cleared every cache I can think of
-updated TWRP
There's probably more that I can't think of off the top of my head as well. Does anybody have any idea what on earth has happened to my phone?
LowlifePiano said:
This is the first help post for anything tech-related that I've ever posted- I'm usually good enough with Google to fix my own problems, but this one has me flustered.
Until yesterday I was running DigitalHigh's GPE ROM but decided to give Cyanogenmod another try after some persistent lag issues. Everything went fine during the install until I noticed that I was stuck on 3G no matter what I did- airplane mode, reboot, clear the cache, try to update APN settings, etc., nothing helped. Additionally, while the phone will connect to my home wireless network, it has a ! next to the connection symbol despite my being able to use the network with my laptop. The funny thing is, this only happens with some networks. Neither my home network nor the network at work will give me internet access, but if I plug an ethernet cable into my laptop and create an access point that way, I'm fine.
Here's what I've tried so far after scouring these and other forums:
-Reverted back to the previous ROM
-Flashed new firmware
-Flashed two new kernels
-Tried every different APN setting I can think of
-Popped out my sim card, waited a bit, and popped it back in
-Rebooted countless times
-Cleared every cache I can think of
-updated TWRP
There's probably more that I can't think of off the top of my head as well. Does anybody have any idea what on earth has happened to my phone?
Click to expand...
Click to collapse
I don't see factory reset using stock recovery (not twrp)
Sent from my Nexus 6 using Tapatalk

Wifi problem - on-off and no wifi hotspot, phone restarting - Please HELP

Hello everyone,
me and my wife enjoy our htc U11, but few days ago mine start playing up - wifi have difficulties to connect its doing like on-off-on-off, and after while connect to router, doing same thing at work and home too, and I really can't use any longer wifi hotspot, and phone restart at least once a day, not very happy, but today my wife experienced same problems as I have few days, must say both phones bought in UK from two different companies and different times, both are on stock rom, completely standard phones, I am only using modified camera apk, can anyone give me advice what it could be?, I do not have even Facebook or Twitter account, so can't be related to these apks. Was going to do hard reset tonight, but after my wife told me she got same problems and she use her phone very little, I am not sure if hard reset will resolve problems. I will welcome any help...
Forgot to say we are on 2.33.401.10
Many thanks..
Settings>more>data usage>network restrictions>check to see if the network has been restricted.
Settings>more>three dots (overflow menu) and hit "reset network settings"
Have you reset the router, checked the network settings are correct (if you use dhcp just reset your router).
If the ssid has spaces or characters/symbols then this can cause issues.
I have personally known routers that use signal binding to run at speeds incompatible with some devices. Especially those with 1gb interfaces. *cough netgear*.. Falling back to a basic setup helps significantly.
A factory reset will probably solve it but you'll lose your data. That is the last ditch effort.
Hi, what is latest update for this rom?, as we can get no ota update, if you point me right direction, will be great, and I will update at least one phone, and see difference. I already reset home router, I reset network setup on phones, wipe cache on both phones, still problems, and even when I am not at home, wifi playing, as I can setup wifi hotspot and I am away from any wifi. Many thanks..
Sorry that was my bad, I forgot I was looking at my m9, not my U11. You are up to date.
My post has been edited. Follow that.
To have the same problem on both phones is very strange indeed. It must be network settings causing the problem unless you have an app running that monitors WiFi in some way..
I, too, have been having WiFi problems all of a sudden. I am not stock, I'm on viper with EAS kernel, but was running it all just fine for a while then without changing anything, I have the same problem.
Still looking for fix, but no luck so far, tonight I reset router just to be sure, but problem is still there, I am sure sooner or later I will find out what is behind this problem.
Hi i encounter rhis problem on stock htc ron and i flash latest slim build and everything worked form me
SlimOS link
slashray said:
Hi i encounter rhis problem on stock htc ron and i flash latest slim build and everything worked form me
Click to expand...
Click to collapse
can you give me link of working SlimOS ? and its safe ?

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