[Q][CM9] Wifi slow to establish connection - Galaxy S II Q&A, Help & Troubleshooting

Hi,
i've just flashed a CM9 nightly from CM 7. All goes well but Wifi.
It do1es connect to my SSID without problem but it's quite long to connect to websites.
I use CoolTool to monitor instant data bandwith usage.
For instance, clicking on a link in (any) browser shows the page loading progress bar immediatly but it remains stuck for a few seconds and CoolTool chart doesn't show any data activity.
Then the wifi icon actually starts to show data transmission and CoolTool shows up to 1.5MB/s rates and the page loads immediatly.
So that's the 5-6 secondes delay between http connection request and establishment that concerns me. I hadn't this problem before on CM 7 and my Wifi network hasn't changed.
I tried stock CM9 kernel and siyah 3.3.3b along with XXLPS, XXLPW and XXLPX modems on CM9 20120708 NIGHTLY.
Did anyone notice this ? Any ideas on how i can solve this issue ?

peekayy said:
Hi,
i've just flashed a CM9 nightly from CM 7. All goes well but Wifi.
It do1es connect to my SSID without problem but it's quite long to connect to websites.
I use CoolTool to monitor instant data bandwith usage.
For instance, clicking on a link in (any) browser shows the page loading progress bar immediatly but it remains stuck for a few seconds and CoolTool chart doesn't show any data activity.
Then the wifi icon actually starts to show data transmission and CoolTool shows up to 1.5MB/s rates and the page loads immediatly.
So that's the 5-6 secondes delay between http connection request and establishment that concerns me. I hadn't this problem before on CM 7 and my Wifi network hasn't changed.
I tried stock CM9 kernel and siyah 3.3.3b along with XXLPS, XXLPW and XXLPX modems on CM9 20120708 NIGHTLY.
Did anyone notice this ? Any ideas on how i can solve this issue ?
Click to expand...
Click to collapse
1)u can try clearing data/cache of the browser and see
2) also u can use some alternate browser from play stores and check for the same
3)modem doesn't have any effect on ur wifi since its related to ur data connection on ur netwrk so no need to change the same unless u have any netwrk issue

Sun90 said:
1)u can try clearing data/cache of the browser and see
2) also u can use some alternate browser from play stores and check for the same
3)modem doesn't have any effect on ur wifi since its related to ur data connection on ur netwrk so no need to change the same unless u have any netwrk issue
Click to expand...
Click to collapse
Thanks for your answer. I tried all this without success.
Same behaviour on firefox, opera, chrome, dolphin, youtube app, facebook app, play store, ...
Again, 3G connection is perfect and reactive. It's just when using wifi.
Anyone else got an idea ?

modem problem
you could try using the ki4 modem this works well for lots of people.

linuxnubee said:
you could try using the ki4 modem this works well for lots of people.
Click to expand...
Click to collapse
KI4 ? Does it actually work with ICS ?

linuxnubee said:
you could try using the ki4 modem this works well for lots of people.
Click to expand...
Click to collapse
God, when I read such inferior comments... Educate yourself!

Related

Wifi Issue with all ROMs

Hi All,
Did you notice WiFi connection dropping issue with almost all roms out there in X10MP community. The WiFi generally will not drop out if you are browsing or doing general stuff. But WiFi drops when you download some data from internet. e.g. If you are having a oxford dictionary or a game which try to download data after installation, then you will face the WiFi connection dropping problem in between the download process. This problem persists with all roms even if changing "wifi sleep policy" to "never".
Can anyone provide any solution to this problem.
Thanks in Advance.
I don't have such a bug ... If I'm honest I newer had this from 2.1 to MiniCM .
May be bad wifi chip or low temp_download storage, low cache , cheap SD , bad router and so on.
Try track the error log to investigate your issue.
Sent from my E10i using xda premium
androidbpb said:
Hi All,
Did you notice WiFi connection dropping issue with almost all roms out there in X10MP community. The WiFi generally will not drop out if you are browsing or doing general stuff. But WiFi drops when you download some data from internet. e.g. If you are having a oxford dictionary or a game which try to download data after installation, then you will face the WiFi connection dropping problem in between the download process. This problem persists with all roms even if changing "wifi sleep policy" to "never".
Can anyone provide any solution to this problem.
Thanks in Advance.
Click to expand...
Click to collapse
I never found such a problem when just installing game, but yes, this problem persists when I'm downloading a huge file via torrent (about approx 500MB or more)... I found that leaving the device on (not on lockscreen / sleep) prevents this. Well, in my case, I think nAa roms have several problems with wifi connection (if I remember correctly, there are people giving the same info)... But actually, never tried it at stock rom or other ROM not based by nAa...
And by the way, you should post this on FAQ thread I think..

wifi problem - says " turning wifi on" endlessly

Just bought an S2 off a friend that's been rooted.
Running ICS 4.0.3 XWLPG kernal with the wanamlite V.12.0 Rom
My data internet works absolutely fine, but im having trouble configuring the WIFI. It's taken over 3 hours and ive given up searching the forum.
When I connect to Wifi via the settings - I get the screen saying "turning wifi on". It doesnt do nothing, just constantly stays like that.
If i go into the advance settings i have...
network notifications checked.
wifi frequency band set to auto - ive changed this but doesnt do anything.
I have a mac address.
and for IP it says unavailable.
Somebody please help me orelse i might end up losing my hair very soon.
Thank you.
Any ideas? Anyone?
wifi direct
Im having another problem with wifi but its with resurrection rom 2.3. Donno how to configure wifi direct or what explorer to use to send via wifi. All i can find is a tick box that says wifi direct.
I'd flash a stock ROM. Then you'll see if its a problem with your current rom or not.
Sent from my next
Yeah, I've had same kind of problems with a stock ROM. Now the WiFi has been working just fine but sometimes I had the same problem as you do. No idea why it does it.
I have a not rooted galaxy, and I have the same prob. It mostly happens when you turn on/off wifi directly from settings instead of going to settings --> connections --> wifi etc. (ics feature)
I solve the problem with rebooting my phone...
Only takes 30 seconds.
Hope i helped!
Sent from my GT-I9100 using XDA
Imperiale said:
I'd flash a stock ROM. Then you'll see if its a problem with your current rom or not.
Sent from my next
Click to expand...
Click to collapse
Hi, Thanks for your reply.
Can I ask what you mean by a stock ROM - do you mean one that is not insecure rather the original?
I fix it by turning airplane mode on and off. But it doesn't occur after I changed to a custom rom
Sent from my GT-I9100 using XDA
zedy999 said:
Just bought an S2 off a friend that's been rooted.
Running ICS 4.0.3 XWLPG kernal with the wanamlite V.12.0 Rom
My data internet works absolutely fine, but im having trouble configuring the WIFI. It's taken over 3 hours and ive given up searching the forum.
When I connect to Wifi via the settings - I get the screen saying "turning wifi on". It doesnt do nothing, just constantly stays like that.
If i go into the advance settings i have...
network notifications checked.
wifi frequency band set to auto - ive changed this but doesnt do anything.
I have a mac address.
and for IP it says unavailable.
Somebody please help me orelse i might end up losing my hair very soon.
Thank you.
Click to expand...
Click to collapse
Try a different kernel
Sent from my GT-P7510 using xda premium
zedy999 said:
Just bought an S2 off a friend that's been rooted.
Running ICS 4.0.3 XWLPG kernal with the wanamlite V.12.0 Rom
My data internet works absolutely fine, but im having trouble configuring the WIFI. It's taken over 3 hours and ive given up searching the forum.
When I connect to Wifi via the settings - I get the screen saying "turning wifi on". It doesnt do nothing, just constantly stays like that.
If i go into the advance settings i have...
network notifications checked.
wifi frequency band set to auto - ive changed this but doesnt do anything.
I have a mac address.
and for IP it says unavailable.
Somebody please help me orelse i might end up losing my hair very soon.
Thank you.
Click to expand...
Click to collapse
Dial *#*#526#*#* wait for some
time until you see ‘process was
successful’ on the screen. You
can repeat this whenever you see
this problem.
If that does not work, Search Google playstore for an app called FIX MY WIFI. It's a paid app but
I've tried it in the past and it worked after reboot.
Good luck
Hello everyone i faced the same problem and solved it by an app called wifi fix which is made by amid M Geha :good:

Wifi only access to google.com

Hi there,
I'll explain what's wrong here, I have a Samsung S3 i9300 with Android 4.3.1 (SlimBean) and everything works fine. Only when I turn on WiFi (tried several), my internet acces is limited to the google site, and some apps like Facebook and Whatsapp. But when I try to navigate to other websites, I recieve a -Not found- error.
So it seems like technically everything is ok (otherwise I also couldn't open google in my browser). Other devices connected to the same network do not have this issue. I tried to change DNS settings (e.g. 8.8.8.8), but this is not possible in 4.3.1 as far as I can see.
Any suggestions are welcome!
dkloos said:
Hi there,
I'll explain what's wrong here, I have a Samsung S3 i9300 with Android 4.3.1 (SlimBean) and everything works fine. Only when I turn on WiFi (tried several), my internet acces is limited to the google site, and some apps like Facebook and Whatsapp. But when I try to navigate to other websites, I recieve a -Not found- error.
So it seems like technically everything is ok (otherwise I also couldn't open google in my browser). Other devices connected to the same network do not have this issue. I tried to change DNS settings (e.g. 8.8.8.8), but this is not possible in 4.3.1 as far as I can see.
Any suggestions are welcome!
Click to expand...
Click to collapse
Does it happen on a particular WiFi network or any WiFi?
Is your WiFi hidden?
You can try making Android forget this network & again manually setting it up.
You can also check for any App that may be restricting WiFi traffic
EDIT:
You can change WiFi network settings even in 4.4.2 KitKat
Long Press your Wifi -> Modify Network -> Check 'Show Advanced Options' -> Change IP Settings to 'Static'
Now all settings incl DNS will be visible & you can change them.
I tested several networks and they're not hidden.
I use DroidWall, but uninstalling this does not have an effect unfortunately. Also forgetting and reconnecting does not help.
[EDIT]
Thanks for the tip, however this also does not give me access to the rest of the world wide web..
dkloos said:
I tested several networks and they're not hidden.
I use DroidWall, but uninstalling this does not have an effect unfortunately. Also forgetting and reconnecting does not help.
[EDIT]
Thanks for the tip, however this also does not give me access to the rest of the world wide web..
Click to expand...
Click to collapse
Did try using some software such as Wifi Connection Fixer?
Also did you try using different browsers on your phone?
I was having such an issue with ebay.in on the stock browser my i9300. But the same thing loaded perfectly with Chrome.
Clearing the Data & Cache of the stock browser helped later on.
I will try the Wifi Fixer, thanks!
I tried two different browsers without luck, and it is a problem beyond the browser imo, because the Play Store also can not download apps when connected to WiFi. I can search for apps, but when I want to download them, it gives me a -no connection, retry-..
dkloos said:
I will try the Wifi Fixer, thanks!
I tried two different browsers without luck, and it is a problem beyond the browser imo, because the Play Store also can not download apps when connected to WiFi. I can search for apps, but when I want to download them, it gives me a -no connection, retry-..
Click to expand...
Click to collapse
If nothing works, I guess you might have to reflash your ROM after clearing the whole data & cache.. :crying:
IMO, CM11 M2 (Android 4.4.2) is quite good, just flashed it on my S3..
Well, I now changed the DNS settings to the google DNS server (8.8.8.8 and 8.8.4.4) and rebooted the phone and this did the trick.
I don't really understand it, but I am glad I can use my phone without wiping it completely again!
dkloos said:
Well, I now changed the DNS settings to the google DNS server (8.8.8.8 and 8.8.4.4) and rebooted the phone and this did the trick.
I don't really understand it, but I am glad I can use my phone without wiping it completely again!
Click to expand...
Click to collapse
Great! :victory:
Enjoy using your phone once again!

[Q] Wi-Fi Problem

Hello all, I have a Samsung Galaxy S3 GT-I9300 with Stock 4.1.2 unrooted and baseband version I9300DXEMB1. The problem I have is when I try to connect with my home WiFi from my room, it says Authentication Error Occurred. I have to be directly infront of the router then it'll connect and allow me to load webpages.
If I stand in front of the router and connect, It will get connected without any problems but as soon as I return back to my room or any other place that is more than 3 feet away from the router, it wouldnt load any webpages or anything that requires an Internet connection. Then when I toggle WiFi off and on again, the authentication error occurred problem will be back. It's like my phone can only connect and load webpages when it is 1cm in front of the router. Does anyone here have any suggestion on how to help me? I'm pretty sure that it is not my router's problem because my computer and Galaxy S4 in my room can connect just fine and load webpages just fine. I've tried searching the Internet for solutions but have not found anyone with the exact same problem with range/signal strength hence I started this thread.
Wifi is kernel change your kernel .
JJEgan said:
Wifi is kernel change your kernel .
Click to expand...
Click to collapse
Rooted the phone and installed Siyah kernel. Problem still persist. Any other possible fixes? Continued my search and found this thread http://forum.xda-developers.com/galaxy-s3/help/galaxy-s3-wont-connect-to-wifi-t1779535 Same problem with what OP is experiencing. (Post #10)
I once had the same problem and fixed it by deleting the .cid.info file in /data.
vpwrf said:
I once had the same problem and fixed it by deleting the .cid.info file in /data.
Click to expand...
Click to collapse
I did the exact same thing and still no improvement. Could it be a hardware issue?. I've tried rebooting router, forgetting network, turning off Wifi power safe mode in *#0011# menu but to no avail
Sent from my GT-I9505 using Tapatalk
Suggest wipe phone install stock rom and test .
If it connects to other routers/ wifi its your router a problem .
I had these kinds of problems with two stock ROMs, do not remember the exact versions, but when I upgraded the problems were gone. That was while using the exact same Yank kernel, so it doesn't seem kernel related. It is a very annoying bug though! But upgrading ROM will fix it, I know for a fact that GNA5 doesn't have this bug.
Have you tried using wifi on other places on the same phone?
Sent from my GT-I9500 using Tapatalk
Hazerm said:
Rooted the phone and installed Siyah kernel. Problem still persist. Any other possible fixes? Continued my search and found this thread http://forum.xda-developers.com/galaxy-s3/help/galaxy-s3-wont-connect-to-wifi-t1779535 Same problem with what OP is experiencing. (Post #10)
Click to expand...
Click to collapse
From that thread, someone posted a nice solution:
rpmlins said:
Since I saw that lots of people have the same problem. I like many other, I have done everything said here, and all over the web.
Here is what I did to fix my problem...
1 - Check if you have any special char on the wi-fi SSID like "!,@,',ã,á,~,ç,ã" etc...
and Remove it.
2 - On your router check if you have ip adress ranged configured like: 192.168.1.100 to 192.168.1.150, and change it to the wide range: 192.168.1.1 to 192.168.1.254
This two steps solved my problem after I have tried everything stated here and over the web
I just registered to share this and hope to help someone.
Sorry for my bad english...
Click to expand...
Click to collapse
The thread also highlighted using static IP to solve the issue.
Plus, you can try to change the router transmission channel to a lower number and see if it works.
~ RazorMC
JJEgan said:
Suggest wipe phone install stock rom and test .
If it connects to other routers/ wifi its your router a problem .
Click to expand...
Click to collapse
Thanks for the reply, hard resetted the phone back to everything stock and tried 2 different stock firmwares but still no luck. I also went to format /data and cache in stock recovery just to make sure but still same problem.
johan81 said:
I had these kinds of problems with two stock ROMs, do not remember the exact versions, but when I upgraded the problems were gone. That was while using the exact same Yank kernel, so it doesn't seem kernel related. It is a very annoying bug though! But upgrading ROM will fix it, I know for a fact that GNA5 doesn't have this bug.
Click to expand...
Click to collapse
Yeah, I'm suffering from OCD and just to make sure the bug doesn't carry over to the next ROM i flash, I formatted my phone through recovery before flashing the .tar firmware in ODIN. And I tried 2 different firmwares and still same thing. Now on MF6 stock 4.1.2 and trying to avoid stock 4.3 because of Knox bootloader.
mrao said:
Have you tried using wifi on other places on the same phone?
Sent from my GT-I9500 using Tapatalk
Click to expand...
Click to collapse
I've tried other Unsecured networks around my area. Same problem. Very sure it is not my router problem as my other phone and computer can connect just fine and even getting at least 20mbps speed. This S3 can only connect when I'm physically beside the router.
RazorMC said:
From that thread, someone posted a nice solution:
The thread also highlighted using static IP to solve the issue.
Plus, you can try to change the router transmission channel to a lower number and see if it works.
~ RazorMC
Click to expand...
Click to collapse
Thanks for suggestions, I've also tried Static IP and checked my router settings and that it doesnt have those punctuations in the SSID and also the start and end IP is pretty wide from 192.168.1.1 to 192.168.1.253 (I don't think that 1 difference from .254 could make a difference could it?) I'm really starting to believe that It's a hardware issue. I'm probably going to contact a person to diagnose the phone tomorrow. Maybe it could be a malfunction of the WiFi chips in the phone.
Hazerm said:
...
Thanks for suggestions, I've also tried Static IP and checked my router settings and that it doesnt have those punctuations in the SSID and also the start and end IP is pretty wide from 192.168.1.1 to 192.168.1.253 (I don't think that 1 difference from .254 could make a difference could it?) I'm really starting to believe that It's a hardware issue. I'm probably going to contact a person to diagnose the phone tomorrow. Maybe it could be a malfunction of the WiFi chips in the phone.
Click to expand...
Click to collapse
If there is authentication error then that means that the phone can detect the wireless network so the hardware seems ok. Did you try to change the router channel? And even try changing the transmission from a/b/g/n to "G only" or "N only".
~ RazorMC
RazorMC said:
If there is authentication error then that means that the phone can detect the wireless network so the hardware seems ok. Did you try to change the router channel? And even try changing the transmission from a/b/g/n to "G only" or "N only".
~ RazorMC
Click to expand...
Click to collapse
That's exactly what I thought too. Why can't it connect if it can detect the network? And I've since tried changing channels only for it to return to the same result, authentication error. And my router settings do not have an option to change the radio type. I can't remember exactly where but it might be Android forums or something (read too many different forums over the past few days) and this guy said that maybe it was some power management failure thing. I'm not an expert with hardware and can't provide any explanation or theory. Maybe there's some other component that manages the power to use that'll enable the phone to receive data from the router and that thing malfunctions while the main wifi chip still works that explains why I can still detect wifi networks?
[Edit]I'm also thinking that maybe because this Imaginary power management component inside the phone is malfunctioning/not receiving enough power, that's why when im in a room different from where the router is, i cannot connect because the phone isn't receiving enough power to validate the data from the radio waves and also because when Im standing beside the router then can load webpages just fine because the Signal strength is high and probably the radio waves from the router is emitting high energy so the power management component doesn't require as much energy to receive data compared to when Im in my room. Something like the router shouting and your phone needs a certain amount of energy to hear the voice from the room otherwise you cant but if you're standing beside it you can hear it no matter what. (This is just my theory and what Im thinking the problem is. It is not an explanation but just my opinion. This information could be totally wrong for all I know.)
Sent from my GT-I9505 using Tapatalk
@Hazerm, can you try WPS setup if your router supports it?
On your phone: Settings > WiFi > Menu > WPS
Rebooting the router is also recommended. Maybe you can also try changing the security on the router to WPA/WPA2
~ RazorMC
RazorMC said:
@Hazerm, can you try WPS setup if your router supports it?
On your phone: Settings > WiFi > Menu > WPS
Meanwhile, I will try to search for another solution and post it here if i can find anything.
~ RazorMC
Click to expand...
Click to collapse
Yep, WPS is supported and enabled on my router. Use it cause I was too lazy to retype my password everytime i flashed a firmware on the phone haha. And same thing. when I try to connect using WPS, the phone (in my room or any location 10cm or more away from router) doesnt react even after pushing the button on the router. But if I were to stand beside the router, WPS works without any problems.
Hazerm said:
Yep, WPS is supported and enabled on my router. Use it cause I was too lazy to retype my password everytime i flashed a firmware on the phone haha. And same thing. when I try to connect using WPS, the phone (in my room or any location 10cm or more away from router) doesnt react even after pushing the button on the router. But if I were to stand beside the router, WPS works without any problems.
Click to expand...
Click to collapse
Ok try using airplane mode when you are standing at a distance and check if the wireless connection continues.
~ RazorMC
RazorMC said:
Ok try using airplane mode when you are standing at a distance and check if the wireless connection continues.
~ RazorMC
Click to expand...
Click to collapse
No improvement, unfortunately The progress bar just crawls to the end and the phone just says WPS failed. This was approximately 1 meter away from the router, I have to be less than 1 metre from the router to get a connection. Btw, router was rebooted several times and Security has always been WPA/WPA2-PSK, not very interested in changing the security to other types like WEP. Just not very trustable
Hazerm said:
No improvement, unfortunately The progress bar just crawls to the end and the phone just says WPS failed. This was approximately 1 meter away from the router, I have to be less than 1 metre from the router to get a connection. Btw, router was rebooted several times and Security has always been WPA/WPA2-PSK, not very interested in changing the security to other types like WEP. Just not very trustable
Click to expand...
Click to collapse
I can understand that this is very frustrating for you. Believe me, I've had issues with phones and wifi
Ok, so I found 2 short threads that you could read:
Link 1
Link 2
Summary:
- try the steps in Link 1
- Change phone frequency from 2.4ghz to 5GHz (had this option in Omega ROM 4.3-based)
- 2 users report that the issue is fixed in CM9 (or even other CM roms)
- Might be a mainboard issue after all.
PS: Surprisingly, some of the people reporting the issue have used Omega rom in the past and faced the issues since then. (I didn't have any issues though so I cant blame the rom)
~ RazorMC
RazorMC said:
I can understand that this is very frustrating for you. Believe me, I've had issues with phones and wifi
Ok, so I found 2 short threads that you could read:
Link 1
Link 2
Summary:
- try the steps in Link 1
- Change phone frequency from 2.4ghz to 5GHz (had this option in Omega ROM 4.3-based)
- 2 users report that the issue is fixed in CM9 (or even other CM roms)
- Might be a mainboard issue after all.
PS: Surprisingly, some of the people reporting the issue have used Omega rom in the past and faced the issues since then. (I didn't have any issues though so I cant blame the rom)
~ RazorMC
Click to expand...
Click to collapse
Unfortunately I'm not the original owner of this S3 so I can't be sure if the previous owner flashed any custom ROMs.
Sent from my GT-I9505 using Tapatalk
Hazerm said:
Yeah, I'm suffering from OCD and just to make sure the bug doesn't carry over to the next ROM i flash, I formatted my phone through recovery before flashing the .tar firmware in ODIN. And I tried 2 different firmwares and still same thing. Now on MF6 stock 4.1.2 and trying to avoid stock 4.3 because of Knox bootloader.
Click to expand...
Click to collapse
Don't worry about Knox, it is not present in 4.3, so you can just flash GNA5 and be done with it! I do recommend Nova or Apex launcher though, way smoother!
For all the other people here, this is a known bug with certain routers that are not 100% compliant with the WiFi standard and therefor do not confirm the handshake. I have had these problems with certain ROMs as well (cannot exactly remember which ones) and after flashing another ROM (at the moment I am on GNA5) Samsung fixed it, while it is not even their issue, the issue/bug lies within the routers that pose problems.
johan81 said:
Don't worry about Knox, it is not present in 4.3, so you can just flash GNA5 and be done with it! I do recommend Nova or Apex launcher though, way smoother!
Click to expand...
Click to collapse
Really? Because with the Galaxy S4, late 4.2.2 firmwares and all 4.3 and above firmwares had new Knox bootloaders which means no turning back to old 4.2.2 ROMs and also the Knox 0x1 flag which to my knowledge is not resettable at the time of this writing.
Sent from my GT-I9505 using Tapatalk

[Q] My phone keeps downloading something but I don't know where it's coming from

As mentioned in the title , whenever I connect to a wifi, my network speed statusbar mod shows that I'm downloading something at 150kbyte/s.
I've been trying to identify which app causes this, unsuccessfully. Wifi data usage reports "about 0.9gb used" however the app entries only sum up to 70mb.
Network log also shows the download rate but cannot identify which app is using it. I've also tried DroidWall to only allow Chrome to access the wifi but the ghost traffic still exists.
Reverting to nandroid backups of older versions of the rom still won't fix the error.
This does not happen however on a mobile data connection.
It's very irritating cause it makes pages load slow and I'm starting to think that it is a problem of the specific wifi (cant test othets now).
Anyone have any ideas on how to find thr the app causing this?
Im running latest Paranoid Android and googy max kernel

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