Wifi problem - Galaxy S III Q&A, Help & Troubleshooting

I connect to my router but there is no internet.
Here is the deal
I installed MIUI v5 OmniROM 4.4 (Android 4.4.2) ver 4.6.20
Everything OK, I linked my G acc, updated my apps via WIFI. After that I was outside using my mobile data connection. When I come back home I tried to connect to my wifi network and here starts the problem - connects but no internet. The mobile data is still working.
Reinstalled the ROM, wipe cache, dalvik, format everthing and still nothing.
Changed back to my old ROM efeXTREME Lite-ROM I9300UBUGNG1 (Jelly Bean 4.3) but the problem is still here. I haven't tried to connect to other network, because everyone are locked, tomorrow will try some open ones, but I don't think the router is the problem.

Reset the router first, next try full wipe of the phone then flash full stock firmware.

Related

Bug: When 3G is enabled, Wi-Fi fails

I have noticed that all of a sudden in the past few hours my device has started to get very hot and when 3G is enabled the device suggests that all Wi-Fi connections are not in range, but when I dsable the mobile data, Wi-Fi connects fine, I was running the official LPM rom, and I decided to update to the latest release to see if there was a problem with the modem files, but the problem is still there on the latest rom.
Is this a known problem with the S2, or have I just got a faulty device?.
*UPDATE*
For anyone who may come across this problem, I have managed to fix it by doing a factory data reset.
If you want to try this yourself, then goto: Settings > Back up and reset > Factory data reset, then click reset device, (I didn't need to format if you are wondering)

[Q] Official rom 4.1.2 unable to use WiFi

I have flashed official rom I9300ZSEMA1 (Hong Kong) 4.1.2 by Odin and after having flashed, I wiped cache and user data in the recovery.
In spite of all that I have done, it just can't connect to my network via WiFi. It showed "Obtaining IP adress" for a very long time and finally failed to connect. I tried using static IP and succeeded connecting to my network, but, unfortunately, it was still unable to connect to the Internet.
My phone works fine with the offical 4.1.1 rom, and I have proved that my router and network work fine, too. So I think there must be something wrong with I9300ZSEMA1.
Is there any solution?
Thank you!!!

[Q] Cellular Data not working no matter ROM installed

Hello powers that be! I'm a total noob and really wish someone would help me. I currently using an XT910 which was a gift from a friend in China. For some reason my cellular data (both 2G and 3G) won't work on any custom ROM. It only works fine on the Stock ROM slot. I've tried Mokee, SlimKat, LiquidSmooth and MIUIv5.
Whenever i go to the mobile network settings, i see the correct APN is selected but it just won't connect or even show the 'E' or 'H+' icons. I'm currently in Nigeria but i doubt if its a location issue.
PLEASE HELP.. I don't have access to Wi-Fi so mobile data is all i've got, Thanks in advance!:fingers-crossed:
Seriously? No one? Come on guys
Change preferred network type under mobile network????
Sent from my XT912 using xda app-developers app
I have similar observation. After first boot everything is ok. Phone connects perfectly. Next I reboot phone and I can see that phone is connected for 1s not connected for ~20s (looped). What I noticed: additionally Airplane mode switches on and off. All of this without any touch to phone.
I observed this in every KK ROM I tested. There were a few times that phone worked properly after restart.
I always install new ROM on SS Slot 2 that is wiped (system, data, cache, dalvik) before installation.
Today I installed latest MoKee nightly (02.19) - result as described above.

[Q] Wifi not working (g)

Hello, i'm flashed a new rom
[ROM] Dirty Unicorns 4.4.4 [UNOFFICIAL][BUILT-1](16-8-2014)
And don't have any problems. Currently in home i connecting to linksys, wifi mode is N. I visiting my mom it has router d-link 610, i suppose it has G wireless mode, so the question is following, when i scan any wifi connection, i cannot see her router, however all other devices perfectly see, Note 3, notebook with N mode. And i cannot understand why it's happening, may i should reflash "some" module, so it started to work.
It's currently blank, even if i put manualy SSID and password.
Maxim-SS- said:
Hello, i'm flashed a new rom
[ROM] Dirty Unicorns 4.4.4 [UNOFFICIAL][BUILT-1](16-8-2014)
And don't have any problems. Currently in home i connecting to linksys, wifi mode is N. I visiting my mom it has router d-link 610, i suppose it has G wireless mode, so the question is following, when i scan any wifi connection, i cannot see her router, however all other devices perfectly see, Note 3, notebook with N mode. And i cannot understand why it's happening, may i should reflash "some" module, so it started to work.
It's currently blank, even if i put manualy SSID and password.
Click to expand...
Click to collapse
Wipe data & cache. Reflash Kernel & ROM.
If still doesn't work please provide dmesg and logcat
repaired
zhy0919 said:
Wipe data & cache. Reflash Kernel & ROM.
If still doesn't work please provide dmesg and logcat
Click to expand...
Click to collapse
Thank you for answer, after some experiments i flashed bad rom (don't ask my how about 2 years of experience), hopefully fastboot still worked, i reflashed nemesis kernel, and after it , throught adb iterface i pulled to phone corrected rom. However, i decided to return to stock rom with flashtool, after all long time of manipulation of my xperia (about 1 year),
And now it's working almost great, however i'm still finding a good rom.
Also i did as you adviced me, still no results. By the way thank you

no internet 3g omnirom????

hello,
I would like to install on my i9300 omnirom telephone.
everything works fine except the internet.
I can not seem to connect to the internet in 3G
cyanognemod on, I have no problem connecting 3g.
I downloaded the latest version and an older version, same problem.
I install it with TWRP 2.8 with a wipe data and hides
What should I do?
thank you for your answer
DIWy
I found the APN not configured
I've been bad ...

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