Wifi stuck on obtaining ip address - Optimus One, P500, V General

Hi all
if not mistaken,my phone start tis week cant connect to college wifi
although i try forget the network and connect again,also same
i even try on tge next day to connect college wifi and turn off and on the phone and try,also same
but the weird thing is,my fren and me also connect the same wifi with me with using samsung galaxy ace,he has no problem on connecting college wifi
and only my house wifi no problem on connecting wifi
so,i hope all of you can help me solve the problem,coz is very boring with the phone that got problem in connecting college wifi
*using stock rom v10f and stock kernel,no flash any custom thing
Regards

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Have you been installing any wifi managing app because I had similer problem when I installed wefi something....
Sent from my LG-P500 using XDA Premium App

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is it download the wifi managing app from market ?
i haven't try yet ~

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Yes from market but the app started the problem.
Sent from my LG-P500 using XDA Premium App

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start what problem ??
so far i only found this app that u mention before
https://market.android.com/details?id=org.kman.WifiManager&feature=search_result
is it that one ?

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Well I was telling to remove any wifi manager app from phone it causes problem. Not install.
Sent from my LG-P500 using XDA Premium App

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but me no install the wifi manager application also already got that problem
so what should i do ??

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The phone saves some connections. In some phones there is a limited amount of stored connections. Try to remove at least one you dont use and try again. It helped in some phones.
Sent from my LG-P500h using XDA App

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i encounter this when i type wrong password, so maybe thats the problem

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Maybe problem with college router..

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Try to change the "Chanel" in your WiFi settings. Set it to 13 or try some other.
Sent from my LG-P500 using XDA Premium App

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agallardo said:
The phone saves some connections. In some phones there is a limited amount of stored connections. Try to remove at least one you dont use and try again. It helped in some phones.
Sent from my LG-P500h using XDA App
Click to expand...
Click to collapse
me already clear the wifi network that i no use anymore
so far my wifi only left my home wifi network
and the result also same,not work
Djidara said:
i encounter this when i type wrong password, so maybe thats the problem
Click to expand...
Click to collapse
but my college wifi is public network,which no need to type any password
so how ?
ccdreadcc said:
Maybe problem with college router..
Click to expand...
Click to collapse
but many days already
i also can't stuck on obtaining wifi address ><
ViTAMiNCHEG said:
Try to change the "Chanel" in your WiFi settings. Set it to 13 or try some other.
Sent from my LG-P500 using XDA Premium App
Click to expand...
Click to collapse
how to change the "Chanel" ??
can teach ??

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i even download the apps on below link
https://market.android.com/details?id=com.brilliapps.wifiandmorefixer&feature=search_result
and yesterday i try use it,it wipe all things
then i connect back my home wifi network,almost also stuck at obtaining ip address
luckily can connect,so should i wipe again ??
but i scare wipe again my home wifi network also can't connect
and the factory data reset from menu > setting > privacy there is wipe ALL application on phone or included in microsd ??
coz if no choice that the only way to solve that problem,is it ?

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@XeactorZ
Go to Settings-Wireless & networks-Wi-Fi settings, press "menu" button-Advanced-Regulatory domain
Sent from my LG-P500 using XDA Premium App

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XeactorZ said:
but my college wifi is public network,which no need to type any password
so how ?
Click to expand...
Click to collapse
maybe there is a limited number of the IP addresse
also are you using stock LG ROM or flashed custom ROM ?

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ViTAMiNCHEG said:
@XeactorZ
Go to Settings-Wireless & networks-Wi-Fi settings, press "menu" button-Advanced-Regulatory domain
Sent from my LG-P500 using XDA Premium App
Click to expand...
Click to collapse
i can't found the things that u tell me which is regulatory domain
i only can found wi-fi sleep policy,mac address,use static ip,ip address,gateway,netmask,dns 1 and dns 2 oni
tzica said:
maybe there is a limited number of the IP addresse
also are you using stock LG ROM or flashed custom ROM ?
Click to expand...
Click to collapse
but i use the app that download from market which in before post to clean the wi-fi network already
but how come still got problem ??
erm im using stock LG ROM ~

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Please help me anyone,my problem haven't solve
will it works if following the solution in this link ??
which just download dhcpcd file which download from the link below to replace phone current of that phone ???
http://forum.xda-developers.com/showthread.php?t=907772

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Hey check ur college router settiings with ur friends device...

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XeactorZ said:
and the factory data reset from menu > setting > privacy there is wipe ALL application on phone or included in microsd ??
coz if no choice that the only way to solve that problem,is it ?
Click to expand...
Click to collapse
You could root your phone and use titanium backup to back up your apps. You can root and unroot using gingerbreak. After the factory restore, you can re-download Titanium from the market and restore your apps from the backup you made previously(I am not sure what limitations are placed on the free version of Titanium)
If you are worried about a factory reset wiping out your microsd, take it out of your phone. While you have it out, it is not a bad idea to copy the info on your microsd to a computer or dropbox. Microsd cards fail.
Of course, if you have your phone rooted you could install a custom ROM. A custom ROM would be unlikely to have the same problem that you are experiencing now. The custom ROM would have different problems!
PS You could also make a recovery file of your current setup before you did a factory reset or flashed a recovery application. Think of it as an image backup. It restores both your phones operating system and programs to where they were when you created it. Of course, if you used the recovery, you would have your phone as it is now. A phone that will not connect to the university's network.

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ccdreadcc said:
Hey check ur college router settiings with ur friends device...
Click to expand...
Click to collapse
okay thanks for teaching
Explore3 said:
You could root your phone and use titanium backup to back up your apps. You can root and unroot using gingerbreak. After the factory restore, you can re-download Titanium from the market and restore your apps from the backup you made previously(I am not sure what limitations are placed on the free version of Titanium)
If you are worried about a factory reset wiping out your microsd, take it out of your phone. While you have it out, it is not a bad idea to copy the info on your microsd to a computer or dropbox. Microsd cards fail.
Of course, if you have your phone rooted you could install a custom ROM. A custom ROM would be unlikely to have the same problem that you are experiencing now. The custom ROM would have different problems!
PS You could also make a recovery file of your current setup before you did a factory reset or flashed a recovery application. Think of it as an image backup. It restores both your phones operating system and programs to where they were when you created it. Of course, if you used the recovery, you would have your phone as it is now. A phone that will not connect to the university's network.
Click to expand...
Click to collapse
last time i try flash custom rom,and i fail
and make my phone can't turn on at all,so force to send to service centre
after get back,i use titanium backup to restore the things which i before flash custom rom,but it say only support for donate version
so,i can't restore anything at all
and last time i use gingerbreak to root my phone,and i can't use titanium backup at all
so force to downgrade to android 2.2 and root using z4root
haiz,give up for the titanium backup
anyway,thanks for teaching,will give it a try ~