sometimes WIFI won't connect - LG Optimus 3D

WIFI problem: sometimes WIFI won't connect. Try to connect and imediately says "disconnecting".
To have WIFI again I have to reboot the phone. Its annoying.
Anyone knows anything about this issue?
I am with the stock rom 21E and I'm using the the SPB launcher. But with the stock launcher the problem is also there.
Thank you for any help.

Just factory reset
Sent from my LG-P920 using xda app-developers app

Factory reset won't help.its problem on gingerbread.install acura kernel, it helped me about that problem.
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Related

[Q] Wifi issues.

Why does my wifi connection disconnects and connects a lot? I am on cm7 but I know it's not a rom issue because it was also happening when I was on infused 2.2.3. I'm on the j2 leaked modem, but it also happened when I was on the i3 modem or the i4, I forget which.
I don't believe it's my router, because there's a solid signal when I test it on the laptop and on our roku.
What do you think the problem is and how can I fix it?
Thank you in advance.
Edit: I am coming from the Jordan's j2 rom. It first started happening on the infused rom. Restored back to stock and went onto the infused froyo. Haven't had a problem on that rom. Then j2 came out and flashed that. All was good until last night. Flashed cm7 this morning and made sure I did a full wipe. It's still happening.
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Any ideas? Did a full wipe and flashed cm7 again. Back on i3 and still the same. Restored my apps without data through tibu.
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I have the same issue. Stock unrooted.
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Yeah. It's getting annoying. Lol ill try to go back to stock using gtg's ultimate unbrick. It worked last time I did that.
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Okay so what I am noticing is that the wifi on my phone is constantly scanning for connection. and when it finds my wifi, it tries to connect with it, even if it is already connect. so it forces it to disconnect, then connect again.
anybody know how to stop this?
I'm stock and don't have the issue, also have tried Infused/GSInfuse and didn't have the issue, though I didn't stick with either of them for more than a few days before going back to stock. I use mine on wifi at home and work without problems at all.
Hmm yeah I don't know why it's doing it. It didn't do it before. I'm still trying to figure it out.
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jayson94538 said:
Hmm yeah I don't know why it's doing it. It didn't do it before. I'm still trying to figure it out.
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Click to expand...
Click to collapse
Maybe try FXR WIFI Fix and Rescue
https://market.android.com/details?id=com.brilliapps.wifiandmorefixer&hl=en
Cm7 does that that's why I don't run it
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bradld said:
Maybe try FXR WIFI Fix and Rescue
https://market.android.com/details?id=com.brilliapps.wifiandmorefixer&hl=en
Click to expand...
Click to collapse
Thank you very much for your suggestion. I will do further testing with it. Will report back soon.
jmatt78 said:
Cm7 does that that's why I don't run it
Sent from my SGH-I997 using XDA App
Click to expand...
Click to collapse
It was happening before cm7 so I know it's not a rom issue. Started to happen in infused and carried into the gb leaks. Stopped for a while, and it's happening again.
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Update: wow so far my wifi hasn't disconnected on me yet. So I'm guessing it's is something with the system binaries or whatever you want to call it. Before it would keep scanning and force to disconnect and try to connect again with my router. Still testing but so far so good. I would recommend that app to anybody who's having the same problem as I was.
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Data malfunctioning

So I recently rooted my device via Odin and attempted to flash Zeus ROM 6 through cwm. There was an error with the flash as the ROM did not load properly. I reset my phone in the cwm menu so my phone got a fresh factory reset. However, my hspa+ will not activate, although I do get a signal. What should I do?? I have tried another factory reset and turning airplane mode on and off. Still no luck 
My infuse is running 2.3.6 if that even makes a difference.
This is a repost since the last was not answered.
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Dr_Nacho said:
So I recently rooted my device via Odin and attempted to flash Zeus ROM 6 through cwm. There was an error with the flash as the ROM did not load properly. I reset my phone in the cwm menu so my phone got a fresh factory reset. However, my hspa+ will not activate, although I do get a signal. What should I do?? I have tried another factory reset and turning airplane mode on and off. Still no luck 
My infuse is running 2.3.6 if that even makes a difference.
This is a repost since the last was not answered.
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Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Doing a factory reset in recovery is not the same as puttin your phone back to stock...your still running Zeus...
Just use heimdall or Odin and go back to stock
Sent from my HTC PH39100 using Tapatalk 2
But the thing is, my phone isn't running the Zeus ROM. It's still 2.3.6 with 2.6.35.7 kernel.
I look at my mobile network type and it says it's UMTS versus the hsdpa(or something like that)that it was using earlier. It also reads my mobile network state as disconnected but is still in service (just cant use data based applications such as Facebook)
Should I still try to unroot my phone??
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Doc, It is not uncommon for the mobile state to say disconnected. I am on my sgs3 at the moment, it says mine is disconnected, yet all is well.
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There is a misunderstanding... my network state says my device is disconnected. I am not able to access any app that requires data use such as the play store, Facebook, reddit etc.... All say there is no internet connection and simply won't run.
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PM sent.
I'm sorry, I do not follow what you're saying.
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Just letting you know I sent you a message
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WIFI problem

Every time when i want to turn on wifi i can't, it won't work , first i have to reboot.when i go to wifi settings screen gets black, and after few mins everything ia fine but wifi won't work until i reboot.what to do?sorry for bad english.
Sent from my LG-P920 using xda app-developers app
Sry i forgot to tell that phone is only rooted and its on stock kernel and rom.
Sent from my LG-P920 using xda app-developers app
try to wipe cache
Mine does that sometimes I just wait or restart
Sent from my LG-P925 using xda app-developers app
Mine also does same thing.. I usually have to reboot, then it will be on. Weird.
Sent from my LG-P920 using xda app-developers app
discussed several times here. I had the same. It has gone after installing Acura 3DMAX v3 + KERNEL UNIVERSAL V3 FINAL by Acura too.
As i understand happens by low voltage on screen unlock. Then you block *wake on lan* and/or tiwlan_wq driver.
p-vlad said:
discussed several times here. I had the same. It has gone after installing Acura 3DMAX v3 + KERNEL UNIVERSAL V3 FINAL by Acura too.
As i understand happens by low voltage on screen unlock. Then you block *wake on lan* and/or tiwlan_wq driver.
Click to expand...
Click to collapse
Can you explain me how to block them?
Filipmm3 said:
Can you explain me how to block them?
Click to expand...
Click to collapse
you can not.
try to put minimal MHz at about 300. use SetCPU. or try higher. you will reduce the hangings. but for me the Acura kernel did the job.
If you are on stk kernel it is already set to 300 minimum...you might take a look at your build.props. and check wifi scan interval setting change it to 30 if not already and see if it make a difference.
Sent from my LG-P925 using xda premium
Filipmm3 said:
Every time when i want to turn on wifi i can't, it won't work , first i have to reboot.when i go to wifi settings screen gets black, and after few mins everything ia fine but wifi won't work until i reboot.what to do?sorry for bad english.
Sent from my LG-P920 using xda app-developers app
Click to expand...
Click to collapse
I had the same problem too on stock ROM v21E, that was only rooted...It doesn't happend every time but about every 10 - 15 attempt to turn on the WiFi. It was very annoying when I must restart my phone on that time to be able to use my WiFi again.Strange that after restart everyting works OK...I'm using custom ThiaiZO3D ROM now and I don't have that problem anymore. I think it's just kernel related...
I have the same problem too, when its on v21e(DNA3.3.3). event the bluetooth does that too.
now i am on v20g(stock rom). wifi problem gone. but the bluetooth still down occasionally.
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My problem is solved with acura kernel.
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No internet access even after factory reset

My friend just gave my brother her Optimus V and according to her a few days ago it stopped getting WiFi access. She had it activated, but won Iphones. He says it was just working on our friends secure network. At our house it connects to WiFi, but has no internet access. I did a reset. Didn't change. Got a new ROM, changed the SD card, wiped data, cache, dalvick, installed new ROM and gaps. Still no internet access. Its an open WiFi which my computer and phone are working fine on
Sent from my SGH-I897 using xda app-developers app
Add access points manually bro....
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Techgod said:
Add access points manually bro....
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Click to expand...
Click to collapse
Its an open one. Tried anyway and it didn't work
Sent from my SGH-I897 using xda app-developers app
Is the net working in some other phone?
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Techgod said:
Is the net working in some other phone?
Sent from my LG-P500 using xda app-developers app
Click to expand...
Click to collapse
Like am I able to use it on other devices? I'm able to use it on my phone, my sisters phone, and my computer. Its open WiFi from outside
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Techgod said:
Is the net working in some other phone?
Sent from my LG-P500 using xda app-developers app
Click to expand...
Click to collapse
And this phone til recently and anyone else that uses it
Sent from my SGH-I897 using xda app-developers app
Update. Its only the WiFi we use at the house that it won't connect to even though it used to and every other device is still able to
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Darkangels6sic6 said:
Update. Its only the WiFi we use at the house that it won't connect to even though it used to and every other device is still able to
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Click to expand...
Click to collapse
Reset ur modem.....then enter the wifi key again by clicking on forget...
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Does it work properly when connected to some other wifi network?
Yes. It works on all others except this one. But everything else works on still. And it used to work on it. Its not our own. Its one we pick up around.
Sent from my SGH-I897 using xda app-developers app
So, do you have access to the router for the problematic wifi network?
post-mortem said:
So, do you have access to the router for the problematic wifi network?
Click to expand...
Click to collapse
Nope. I don't know who's it is but its our main internet connection. And if I had not been miss informed that it did work on others except this one I might not have bothered anyone with it. But if anyone else can figure it out it would still be help full. Every other device can connect to it and this one used to. And it can connect to any other network
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Wait, so it does or it does not work on other wifi networks?
post-mortem said:
Wait, so it does or it does not work on other wifi networks?
Click to expand...
Click to collapse
The optimus works on every other network except this one. It used to though. And any other device can connect to the network
Sent from my SGH-I897 using xda app-developers app
Ok, so if you've deleted cache and all that, and you deleted & re-added the network, and even reflashed a ROM and it still doesn't work, I'd say the next step is the router, which you (apparently) don't have access to. I would like to reset the router, and even check its settings, ideally.
Have you tried a different ROM, or flashing back to stock?
Use this file to fix the issue!
http://www.mediafire.com/?n4qb1oqpvhkdldp
If it helped say thanks !
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Sent from my LG-P500 using xda premium
Weather it works or not Thank you all
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I wouldn't flash that oldbbfix.zip. Your issue is a wifi one, and that file may make you lose cell signal.
Well luckily we don't have to worry about signal just Wi-Fi. Still no go yet. I'm gonna hopefully access the router. Me and my friend did it once
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LOL. I won't ask.

WiFi on beans 6

So today when I got home from work I went to turn on my Wi-Fi and its not working. I hit the toggle and it turns white but nothing. When I go to settings it shows Wi-Fi off and if I try and slide the switch to on it won't stay. I am on jelly beans build 6 on the stock kernel. Wi-Fi was working yesterday just not today. Any idea what might be wrong?
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Did you try to reboot? If that don't work I'd try to wipe cache, wipe dalvik, and fix permissions.
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I had that problem and did a battery pull and reset my router.
I did the reboot wipe cache, dalvic and fix permissions with no luck. And my router is good, the Wi-Fi it won't even turn on, on my phone the switch automatically switches back to the off position. I'll try the battery pull. Also I flashed the Rom originally with lean kearnal then later on flashed the stock kernal on Beans post, don't know if that has anything to do with it. Thanks for your help though.
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Obsession5 said:
I did the reboot wipe cache, dalvic and fix permissions with no luck. And my router is good, the Wi-Fi it won't even turn on, on my phone the switch automatically switches back to the off position. I'll try the battery pull. Also I flashed the Rom originally with lean kearnal then later on flashed the stock kernal on Beans post, don't know if that has anything to do with it. Thanks for your help though.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
That's definitely the problem! I don't think it flashes necessary Wi-Fi files when you install it separately. Someone else had this problem in Beans thread recently. Flash Leankernel again and you'll have Wi-Fi OR if you disliked Leankernel, reflash the rom and choose the stock kernel.
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SlimSnoopOS said:
That's definitely the problem! I don't think it flashes necessary Wi-Fi files when you install it separately. Someone else had this problem in Beans thread recently. Flash Leankernel again and you'll have Wi-Fi OR if you disliked Leankernel, reflash the rom and choose the stock kernel.
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Click to expand...
Click to collapse
That's what I was afraid of, looks like I'll be reflashing tonight
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