Database Users

Workaround for CM7 wifi issues

So yesterday, after having CM7 loaded for about 2 weeks, my wifi stops working.. After doing a bit of research I discover its a common problem, so I try the various solutions including changing the number of channels and both upgrading & downgrading my radio image, but nothing works.. Somewhere along the line I lost my ClockWorkMod recovery image & being the newbie that I am I decided to go back to the start & follow the process that I initially used to root (the one at unlockr.com), but at the last step, instead of installing the rootedupdate.zip file I decided to try my luck with installing CM7 again, & lo & behold it worked, wifi's working again...
not really sure which step of the root process fixed the issue but if I had to guess I'd say the correct radio image was flashed, maybe someone could properly identify the correct solution...?

My adb logcat session shows that its trying to connect to some network that is unavailable and fails. ı tried to remove the 2nd , 3rd offline networks and it started working.

thanks very much deleting the saved networks worked!! wifi back on

websitefandude said:
thanks very much deleting the saved networks worked!! wifi back on
Click to expand...
Click to collapse
Indeed it works...but only for the first time. As soon as you disable WiFi and enable it once again, the problem is back. So you will have to delete the saved networks one by one, each time you want to connect and in the end you will have no more saved networks left (like me). Now the only "workaround" is to enter the network details every time I want to connect.

Is there still ni working solution for this?

still no WLAN
Having to choose the lesser evil between:
no GPS under CM 7.1 or
no WLAN under CM 7.0.3 I chose the latter.
The antenna works, tethering too, the signal is detected, but logging into a WLAN fails, it keeps scanning over and over. Deleting other networks didn't work.
Any hint?
BTW, I tried 7.2 nightlies... since Market (aka g-Play) is missing there is no real use so far.
Apart from that - CM rules!

I am using both of them right now and it is okay.
Sometimes I won't get any GPS fix and I have to switch it off and on again (or restart the phone in the worst case) to have signal.
CM 7.1 with latest radio (7.13.35.13).
Sent from my Legend using XDA

Using cm7.2 last nightly and every thing works just fine! Give it a try!
Sent from my Legend using XDA

Don't know if this will help, but I had wifi issues and GPS issues, but flashed new radio
7.08.35.21 and flashed CM7.2.0 RC1 (KANG) unofficial ROM and everything has been sweet since. GPS quick to lock and no wifi issues at all....
give it a try

jonse01 said:
Don't know if this will help, but I had wifi issues and GPS issues, but flashed new radio
7.08.35.21 and flashed CM7.2.0 RC1 (KANG) unofficial ROM and everything has been sweet since. GPS quick to lock and no wifi issues at all....
give it a try
Click to expand...
Click to collapse
The radio should be the difference here as it seems that CM > 7.1 don't have GPS bugs anymore.

Update your radio version to newest (7.13.35.13). Everything work fine in CM7.2 for me.

I know it s been a bit but thanks for the info helped alot deleting the random networks while out and about after deleting 3 wifi runs great
Sent from my LG-P999 using XDA

i noticed that the wifi signal in CM7 is weaker than the stock froyo , is there any idea 'why' ?! and is it possible to fix that i meat to increase the signal, at home i use wifi router and when i'm 4-5 m off distance the signal is very weak

[Q] WiFi and Bluetooth Problems

This is my first time using a custom ROM and I have experienced problems. I used the GingerIceJelly (Kernel) Custom ROM
When I first flashed my android:
its seems to be working perfectly at first. But as I tried the Wifi, I encountered a problem. I was able to connect to a secure Wi-Fi hotspot. But the problem was that it does not transmit data (internet). I have tried to connect to other Wi-Fi connections (with or without security) but still cant transmit data. Other devices that I used to connect to those routers where able to have internet/transmission of data.
After reading the thread again, someone suggested to have it reflashed. So I reflashed it again.
2nd Flashing of same custom rom: (followed the instructions obediently and diligently)
Bluetooth wont work anymore (especifically wont switch on). I have tried switching it on through the notification bar and at the settings but the results were the same. It says "error"
Wi-Fi problem solved but bluetooth seems to have problem now.
Thank you in advance for your help guys!

ryulawliet1990 said:
This is my first time using a custom ROM and I have experienced problems. I used the GingerIceJelly (Kernel) Custom ROM
When I first flashed my android:
its seems to be working perfectly at first. But as I tried the Wifi, I encountered a problem. I was able to connect to a secure Wi-Fi hotspot. But the problem was that it does not transmit data (internet). I have tried to connect to other Wi-Fi connections (with or without security) but still cant transmit data. Other devices that I used to connect to those routers where able to have internet/transmission of data.
After reading the thread again, someone suggested to have it reflashed. So I reflashed it again.
2nd Flashing of same custom rom: (followed the instructions obediently and diligently)
Bluetooth wont work anymore (especifically wont switch on). I have tried switching it on through the notification bar and at the settings but the results were the same. It says "error"
Wi-Fi problem solved but bluetooth seems to have problem now.
Thank you in advance for your help guys!
Click to expand...
Click to collapse
Well.it may happen in other Rom also.so u need to do this because when I got this problem on custom Rom I tried myself.
1) for wifi problem if not connect long press on the network then click forget reboot phone.
2) For Bluetooth problem when it gives error just reboot ur phone then see it ll work.
Give me a thanks if my post helped.

lavadepa said:
Well.it may happen in other Rom also.so u need to do this because when I got this problem on custom Rom I tried myself.
1) for wifi problem if not connect long press on the network then click forget reboot phone.
2) For Bluetooth problem when it gives error just reboot ur phone then see it ll work.
Give me a thanks if my post helped.
Click to expand...
Click to collapse
Thanks for the reply sir.
Well, I decided to reflash for the third time. Bluetooth now working perfectly and was able to send files normally. But the WiFi problem still exists. I tried your solution sir. But still no change. Wi-Fi can still connect but still no transmission of data. Same goes with the other networks I've tried.
Thanks anyway sir.

ryulawliet1990 said:
Thanks for the reply sir.
Well, I decided to reflash for the third time. Bluetooth now working perfectly and was able to send files normally. But the WiFi problem still exists. I tried your solution sir. But still no change. Wi-Fi can still connect but still no transmission of data. Same goes with the other networks I've tried.
Thanks anyway sir.
Click to expand...
Click to collapse
Nice to know that ur Bluetooth problem got solved.:thumbup: one more try u have to do just flash stock via odin then flash custom Rom the other problem should be solved.hope it may help.
Pls don say thanks just hit it mate.its the only thing we can do to the person who helps.
Give me a thanks if my post helped.

lavadepa said:
Nice to know that ur Bluetooth problem got solved.:thumbup: one more try u have to do just flash stock via odin then flash custom Rom the other problem should be solved.hope it may help.
Pls don say thanks just hit it mate.its the only thing we can do to the person who helps.
Give me a thanks if my post helped.
Click to expand...
Click to collapse
yes, i already flash stock via odin. I was quite frustrated for having that problem. I decided to flash other custom ROM for now (TD Kernel). Wifi and Bluetooth now working perfectly. :good:

ryulawliet1990 said:
This is my first time using a custom ROM and I have experienced problems. I used the GingerIceJelly (Kernel) Custom ROM
When I first flashed my android:
its seems to be working perfectly at first. But as I tried the Wifi, I encountered a problem. I was able to connect to a secure Wi-Fi hotspot. But the problem was that it does not transmit data (internet). I have tried to connect to other Wi-Fi connections (with or without security) but still cant transmit data. Other devices that I used to connect to those routers where able to have internet/transmission of data.
After reading the thread again, someone suggested to have it reflashed. So I reflashed it again.
2nd Flashing of same custom rom: (followed the instructions obediently and diligently)
Bluetooth wont work anymore (especifically wont switch on). I have tried switching it on through the notification bar and at the settings but the results were the same. It says "error"
Wi-Fi problem solved but bluetooth seems to have problem now.
Thank you in advance for your help guys!
Click to expand...
Click to collapse
i am also using GIJ rom and yes there is a problem or bug in the wifi...
the dev of the rom is trying to repatch and fix the problems don't worry....
stay tuned

Akhilendra1711 said:
i am also using GIJ rom and yes there is a problem or bug in the wifi...
the dev of the rom is trying to repatch and fix the problems don't worry....
stay tuned
Click to expand...
Click to collapse
thats great! i honestly love GIJ but quite discouraging because of its bug. i hope the dev can fix it.

Wifi Turning on Stuck

UPDATE - Problem sorted via philos64 thread at the top...
Should've tried that 1st, but posted here hoping someone would confirm that was the route to take, as it wasn't actually bricked... Never mind, all done..
Why??? Was out earlier so I turned my wi-fi off and my mobile on and everything was working fine..
When I got home, I turned the mobile off and tried to turn wifi back on, but it is hanging on 'Turning wifi On.'
Tried rebooted the tablet a few times and rebooting the router, (BT HomeHub 3), but still the same problem.
This N7 is rooted and running 4.2.2.
When I look at the Advanced Wifi the MAC and IP address are unavailable.
When I go into Wifi Analyzer it says the wifi needs to be turned on and tries but gets same hang and retries...
On the left of the analyzer it shows my Wifi ID with a mac address underneath with a yellow triangle and 'No Signal!' in red.
The wifi from the router is working as my phone is connected via wifi.
Any ideas please people ???
:crying:

going for the post with the most views and zero replies is not on my bucket list... So I'm going to reply to myself..
An Update....
The problem is still there, so I went into bootloader - recovery mode....Then I went into Android system Recovery.
I selected cache then wipe dta/factory reset.. Reboot then starts tablet as new with the unlocked symbol, then goes through the initial setup. Select language, then it does Select wifi and displays 'Turning on wifi'.. Hung...
Would flashing it via Nexus root toolkit sort out then problem... If so, any clues what flash and how...
If it wouldn't fix it... Is the tablet now bricked??
Please answer someone if you know..
Cheers

There have been several posts about wi-fi problems if the outer shell of the N7 is separated and not fully locked in. A loose or separated shell can cause a disconnect in the wi-fi antenna. Check for any separation and maybe squeeze the front and back together all the way around the outer edge.

I did read them and a lot of other threads but they were mainly to do with wi-fi looping and not connecting.... I couldn't find any other post regarding just 'turning it on'.... And seeing as it's sorted with just a flash of the stock rom, I can safely assume this problem had nothing to do with hardware...
Hence why I was surprised I was the only 1 with this 'type' of prob.... (but I didn't read every post so I may have missed one).

Same problem too
filking said:
I did read them and a lot of other threads but they were mainly to do with wi-fi looping and not connecting.... I couldn't find any other post regarding just 'turning it on'.... And seeing as it's sorted with just a flash of the stock rom, I can safely assume this problem had nothing to do with hardware...
Hence why I was surprised I was the only 1 with this 'type' of prob.... (but I didn't read every post so I may have missed one).
Click to expand...
Click to collapse
im experiencing the same thing. im using Samsung galaxy S4 i9505 LTE and on android 4.3/ rooted Baseband i9505XXUEMJ5. it happened when i was trying to erase all the bloatware on my phone using Trulyclean by schoolsux. after i flashed the script i started having this problem.so far ive tried to do a factory reset by using custom recovery, tried to download the modem fix and flashed it through odin and do the advanced settings on wifi and uncheck the auto network switch. The problem that i have is yes it say "connecting" for 2-3 minutes then it gives you a list of possible wifi connections and then you connect. another 2-3 minutes then it wont connect. repeat the steps and now i can connect, then if you turn off the wifi you will have to go through the whole process again. it doesnt save any wifi connections you have connected before. there are 2 other ways i havnt tried yet and that is to flash a different kernel. a custom kernel and reflashing my phone again with the android 4.3 then root:laugh: for the nth time already:fingers-crossed:

hammerthumbs said:
im experiencing the same thing. im using Samsung galaxy S4 i9505 LTE and on android 4.3/ rooted Baseband i9505XXUEMJ5. it happened when i was trying to erase all the bloatware on my phone using Trulyclean by schoolsux. after i flashed the script i started having this problem.so far ive tried to do a factory reset by using custom recovery, tried to download the modem fix and flashed it through odin and do the advanced settings on wifi and uncheck the auto network switch. The problem that i have is yes it say "connecting" for 2-3 minutes then it gives you a list of possible wifi connections and then you connect. another 2-3 minutes then it wont connect. repeat the steps and now i can connect, then if you turn off the wifi you will have to go through the whole process again. it doesnt save any wifi connections you have connected before. there are 2 other ways i havnt tried yet and that is to flash a different kernel. a custom kernel and reflashing my phone again with the android 4.3 then root:laugh: for the nth time already:fingers-crossed:
Click to expand...
Click to collapse
i have same issue with htc one x, my wifi doesn't wan't to turn on. it stuck on "turning on...", i tried to flash different roms, etc, now i think about flashing kernel, did you do that? did it help?

Same problem on N4
Have had the exact same problem not once but twice. One day it works perfectly fine. Next day, it just stops at turning on process.
On my N4 the 4.2 was working fine. Along comes the 4.3 OTA update and the wifi stops working. Does not startup or show the mac addr either.
Did factory reset, wipe cache and even reflash binary from google stock images. No relief.
One day, the wife using gmaps started the gps location service and pop the wifi started,
Now after the 4.4 OTA all seemed to work well till yesterday and pop the wifi breaks down. the earlier trick of gmaps does not seem to work. I think one of the google apps update is breaking this.
After rebooting also, the device seems to remember the wifi state and tries to read the previous history and restore for the startup. And that is killing.
Any idea how to debug this or to wipe the wifi logs or to manually start the wifi/bluetooth radio.. ya athe bluetooth is also stuck.
Thanks guys in advance

Where is the fix?
filking said:
UPDATE - Problem sorted via philos64 thread at the top...
Should've tried that 1st, but posted here hoping someone would confirm that was the route to take, as it wasn't actually bricked... Never mind, all done..
Why??? Was out earlier so I turned my wi-fi off and my mobile on and everything was working fine..
When I got home, I turned the mobile off and tried to turn wifi back on, but it is hanging on 'Turning wifi On.'
Tried rebooted the tablet a few times and rebooting the router, (BT HomeHub 3), but still the same problem.
This N7 is rooted and running 4.2.2.
When I look at the Advanced Wifi the MAC and IP address are unavailable.
When I go into Wifi Analyzer it says the wifi needs to be turned on and tries but gets same hang and retries...
On the left of the analyzer it shows my Wifi ID with a mac address underneath with a yellow triangle and 'No Signal!' in red.
The wifi from the router is working as my phone is connected via wifi.
Any ideas please people ???
:crying:
Click to expand...
Click to collapse
Hi Can you please send a link for the solution? i am still stuck with "wifi turning on" screen and cant seem to bypass it. No matter what Stock image i flash through Wug Toolkit.

i have got the same wifi errorrigictsi vanished
initially i had loaded my explorer with fly rom and everything waas working except the internal memory. i'm not even able to download at least an app and then i tried bulletsense rom for increasing the internal memory of my explorer. it's successful, and the memory increased. From there onwards, the problem started. the wifi first said error... but after reboot, it's all the time saying "turning on"..
by typing "ifconfing twlan0" it said no devices found... so i thought it might be some driver error. coueld any one port some other drivers to the below rom so that i can have both internal memory and wifi...
link to bulletsense rom ///d-h.st/xFr//// ( add https before /xxxx/)
here is a screenshot of it...///bit.ly/MMSeam///
any one please help me on this and give me a chance to raise your thanks meter...
sorry that i'm newbie and not allowed to post links.

Hey guys.. I faced similar issue in my AMOI 820 based Indian local device Micromax (rooted + custom kernal)
I fixed this stuck wifi problem by uninstalling Google apps in system by removing them using Titanium back up + and again installing them from playstore if needed.. Hangouts(in my case) if it's a system app after getting updated is the culprit .. Try removing it and reboot and test it yourself..

guess it working now!!
I was going crazy about this stuck wifi issue!!
I tried everything!! I found on the advance panel on the wifi
That the MAC address and the IP address is unavailble.
After many tries i think i fixed it!! Using:
Busybox and MacMan
MacMan changed my MAC address and now the wifi is no longer stuck!!!! Hope it will help you too. Peace

yurashi# said:
I was going crazy about this stuck wifi issue!!
I tried everything!! I found on the advance panel on the wifi
That the MAC address and the IP address is unavailble.
After many tries i think i fixed it!! Using:
Busybox and MacMan
MacMan changed my MAC address and now the wifi is no longer stuck!!!! Hope it will help you too. Peace
Click to expand...
Click to collapse
I have same problem on my nexus 5,
But macman is not working.
Any other solutions

wifi turning on problem
i have a xperia sola mobile ..
wifi is does not work ..please help
when touch the wifi option then it does not turning on ..

wifi on cm10 and cm 10.1 not working at all

Hi, maybe someone has a clue:
I seem to be the only one who can't use cm10 because wifi is just not working. On cm10 it's dropping out all the time as soon as data gets transfrerred (i.e. app download) and on cm10.1 its not even dropping. there is no data throughput whatsoever.
If you need more info, just tell me which one and I'll post it. I'm desperate.
Any ideas?

Assuming you have made a clean install, with system and data wiped as well, you should check your router configuration, try changing channel and/or security parameters
Sent from my MB526 using Tapatalk 2

thanks for the suggestion. I don't have access to all the routers settings but I tried to use one even without security and the drop outs still appeared. Working well on m7.
I just realise: At the beginning of a fresh build it sometimes happens that wifi works for a couple of MB and suddenly starts dropping.

Is the Wi-Fi network used by many persons at a time? More than a couple of devices connected may cause problems because the new Wi-Fi drivers starts jamming devices, and sometimes as a result the Wi-Fi network is unable to deliver data.
Sent from my MB526 using Tapatalk 2

I wouldn't say so. Not to many and it didn't work with the old wifi driver on cm10 either. The wifi keeps working for other parties in the network - so it is not jammed.
I might try again with a new build but I'm pretty hopeless...
Here is a long post about what I tried so far:
http://forum.xda-developers.com/showpost.php?p=38869441&postcount=915
measel said:
Hi I'm sorry to bother again.
I tried to figure out whats wrong with the wifi bug I'm having: constant drop outs while using any kind of wifi traffic.
Good news:
it worked well at home with my fritzbox router. (only tried 3-4 app downloads) > after a short while it stopped working
Bad news:
in my studio we got a different router and there I got the drop outs.
What I tried so far without luck (always a reboot in between):
disable Draft-N in wpa_supplicant
compared wpa_supplicant but it's the same as in cm7
delete rgnt from system/bin
change build.prop to use all 14 channels > ro.wifi.channels=14
tried changing PowerSavePowerLevel = 0 to 1
copied tiwlan.ini from cm7 backup because a few settings are different
tried 12-12-05 Quarx build
tried 12-10-18 build (but got a bootloop and stopped trying)
tried newest 13-03-07 build
ADDED tried 13-04-09 build
tried newest build and did another factory reset AFTER installing the ROM.
searched the web and found that maybe it might have something to do with wpa2, but the router at home uses wpa2/wpa (which means it's wpa2 as well or not?) and NO I cannot change the routers settings and I don't think it is a solution because i can use but not access like a dozen routers.
checked dmesg: in the TIWLAN section after the wifi connection it says: "iface_stat: stat_update() tiwlan0 not found
is it in any way possible that some settings change because I plugged usb "charge only" in while trying to download from Playstore? because it seems that dmesg spits somthing out regarding usb... (I'm can't really read/understand the output though)
oh and btw. first connection was fine in my last try: I could update Gmail, then I connected my usb and drop outs began. but I don't think it's related.
ADDED change to static IP
ADDED change regional code in wifi settings (w/o knowing what that actually does)
ADDED tried factory reset from stock, flash sbf and start from scratch.
Things I didn't try (and don't know if it would make any sense):
replace tiwlan_drv.ko
change vsel
[...]
Click to expand...
Click to collapse

It may be something elementary, but I presume Wi-Fi optimization is configured properly right?(IT MUST BE DISABLED)
I have had this issue but setting channel manually fixed it for me. This issue I had only on jb and with a specific router only. All others work properly on every channel.
Sent from my MB526 using Tapatalk 2

Damn I can't just change all the channels in all the wifi networks I'm allowed to use... but I will try that with my own one.

I did not try to change channels, yet but I tried once more to start from scratch: wipe from stock / flash sbf / install cm10 and so on..
Reason: Someone hinted the stock wipe could help. But here is the problem:
Everytime I try to wipe from stock (before or after flashing sbf) I get the old "E:can't mount cache:recovery/..." ERROR. Something seems to be wrong and I wonder if that could prevent my wifi from working (maybe data is still unwiped...)
Any more ideas?

Stock recovery can't handle ext4, hence the read errors.
Stock recovery wipe will not help if custom recovery data wipe does not help. You can also try manually deleting the Wi-Fi folder in the data partition.
You'll have to try changing channels eventually, I think.
Sent from my MB526 using Tapatalk 2

thats a misunderstanding:
I know that stock recovery can't handle ext4. My working system is cm7 so I stockwiped from cm7 and still couldn't get rid of the errors. I even checked the filesystem with e2fsck but everything seems to be ok. And I can install everything so... I don't know.

If your current rom is cm7 then you shouldn't get the error messages in stock recovery. I assume you've flashed a sbf and still gotten this error. You can try enabling the blank flash option from rsdlite.
You can verify whether data is wiped or not by wiping in custom recovery, and then cross checking with aroma file manager(flashable) to ensure data is wiped. If not then you have some kind of hardware eMMC problem which somehow triggers the Wi-Fi problem probably because of leftover Wi-Fi files and modules.
Also, couple of people have had luck flashing a newer sbf like dfp 231(with higher bl version), which seems to work in some cases for similar problems. Beware of the no downgrade issue in these recent sbfs.
And what misunderstanding are you talking about?
Sent from my MB526 using Tapatalk 2

thekguy said:
If your current rom is cm7 then you shouldn't get the error messages in stock recovery. I assume you've flashed a sbf and still gotten this error. You can try enabling the blank flash option from rsdlite.
Click to expand...
Click to collapse
That does sound pretty scary.
You can verify whether data is wiped or not by wiping in custom recovery, and then cross checking with aroma file manager(flashable) to ensure data is wiped. If not then you have some kind of hardware eMMC problem which somehow triggers the Wi-Fi problem probably because of leftover Wi-Fi files and modules.
Click to expand...
Click to collapse
I can't waste another day on hunting the /cache problem right now because of work, but as soon as I have more time I'll try a little more.
Here is some news from me: I had the chance to try it on another wifi router last night and behold: It worked nearly flawless.. a few hickups I think, but it worked. That means WIFI is not broken, but there must be some software-related problem/ or some network weirdness.
Also, couple of people have had luck flashing a newer sbf like dfp 231(with higher bl version), which seems to work in some cases for similar problems. Beware of the no downgrade issue in these recent sbfs.
Click to expand...
Click to collapse
This I will not do!
thekguy said:
And what misunderstanding are you talking about?
Click to expand...
Click to collapse
Just that stock over ext4 thing. Nevermind.
Thank you for helping. I wonder if there is a way to find the problem.

Did you check the channel that particular Wi-Fi router operated at? Same as or different than the problematic routers ? Because if so then we have narrowed the problem down
Sorry for the scary part
Sent from my MB526 using Tapatalk 2

No Wifi Interface (MAC 02:00:00:00:00:00)

Hey guys!
I have a problem. I'm rocking with N DP5 with DeCrypted Kernel and root.
Everything works fine until today morning. I rebooted my phone and when It come back the wifi can't turning on.
The wifi mac shows 02:00:00:00:00:00.
Bluetooth and IMEI is fine (able to use LTE and GSM)
What am I tried:
- Rebbot (several times, with sim without sim)
- Wipe Cache and Dalvik
- Flash radio
- Delete wpa_supplicant files
At last I tried to change the wlan0 interface state to UP but the shell refuses it because It can't find it.
Only have data, dummy and rmnet_ipa interfaces up.
At night I will try to reflash the DP 5 but It would be nice if anybody can suggest me some solution!

So, nobody. I checked the dmesg at boot and it can't load the wlan module. Tried with some kernel and some radio, nothing is changed in the dmesg. So I believe it's a hardware issue and I sent to Huawei. I will report back what happened.

hardware issue
hi there,
i believe it's a faulty solder joint between your WiFi chip and your main board.
i had exactly the same issue on my LG G2, and was able to solve it after a long series of research and trial/error, posted a summarizing thread here on the forums.
i thought this would only happen on LG devices and i am not sure if Huawei has the same problems... but since you've already sent it back to them, i guess your problem will be solved in the next days/weeks anyways.
good luck!