CM 9.1 wifi not working, can't find a fix - Sony Xperia P, U, Sola, Go

I installed CyanogenMod 9.1 for Xperia U but the WiFi doesn't work, although it shows connected and worked before on the original ICS. I searched for hours in google and found no working solution for this.
Anybody has an idea how to fix it?
I tried reinstalling the ROM from the zip files on sdcard. I tried applying an Xperia Mini WiFi fix for CM 9.1, Xperia P WiFI modules, and that didn't work either.

Odp: CM 9.1 wifi not working, can't find a fix
Try other kernel.
Sent from my LT22i using xda-developers app

2Radon said:
I installed CyanogenMod 9.1 for Xperia U but the WiFi doesn't work, although it shows connected and worked before on the original ICS. I searched for hours in google and found no working solution for this.
Anybody has an idea how to fix it?
I tried reinstalling the ROM from the zip files on sdcard. I tried applying an Xperia Mini WiFi fix for CM 9.1, Xperia P WiFI modules, and that didn't work either.
Click to expand...
Click to collapse
Was your FW 6.1.1.B.1.54 stock or based, before flashing CM?
Did you fastboot the boot.img inside the CM rom before flashing the rom via recovery?

Turns out WiFi works, but not when I'm home anymore - it worked when I was at school. But I didn't change anything about my home Wireless Router. What could be the problem? The phone says it is connected and all, but doesn't open anything as if there was no connection. My phone is the only device that doesn't work with it now. I tried resetting the router, restarting...
It is connected, downloads apps at a speed of about 0.01 MB per minute and I can refresh the weather widget with it, but nothing more. And obviously I am next to the router and signal strength is max.

2Radon said:
Turns out WiFi works, but not when I'm home anymore - it worked when I was at school. But I didn't change anything about my home Wireless Router. What could be the problem? The phone says it is connected and all, but doesn't open anything as if there was no connection. My phone is the only device that doesn't work with it now. I tried resetting the router, restarting...
It is connected, downloads apps at a speed of about 0.01 MB per minute and I can refresh the weather widget with it, but nothing more. And obviously I am next to the router and signal strength is max.
Click to expand...
Click to collapse
I had a problem that after several days of normal operation, the wifi would refuse to connect to any AP (weak signal issue)
This is the fix:
1. Turn off the wifi
2. Using a file explorer with root permissions go to /data/misc/dhcp/
3. Delete the files in it
4. Start the wifi again
P.S - I can't write this at the dev's thread (new user) so if anyone can, please write it there. I know other people encountered this problem too (at least on the Sola's thread)

dudi14 said:
I had a problem that after several days of normal operation, the wifi would refuse to connect to any AP (weak signal issue)
This is the fix:
1. Turn off the wifi
2. Using a file explorer with root permissions go to /data/misc/dhcp/
3. Delete the files in it
4. Start the wifi again
P.S - I can't write this at the dev's thread (new user) so if anyone can, please write it there. I know other people encountered this problem too (at least on the Sola's thread)
Click to expand...
Click to collapse
No need for it in DEV section you can put it in General section.......

dudi14 said:
I had a problem that after several days of normal operation, the wifi would refuse to connect to any AP (weak signal issue)
This is the fix:
1. Turn off the wifi
2. Using a file explorer with root permissions go to /data/misc/dhcp/
3. Delete the files in it
4. Start the wifi again
P.S - I can't write this at the dev's thread (new user) so if anyone can, please write it there. I know other people encountered this problem too (at least on the Sola's thread)
Click to expand...
Click to collapse
Turn off WiFi in phone? Not the specific WiFi connection of the WiFi router? It still doesn't work - the speed is beyond extreme nano slowness. :s
How useful is an Android without internet? I crazy need to fix this. ;(

Bump.
Deleting dhcp doesnt work.

I found the solution:
Go to the wireless router settings on your PC, find and configure the Mode to be 11b/g, not 11b/g/n. Then it showed 20MHz Channel Width for me.
WiFi worked for me from then on.

http://forum.xda-developers.com/showthread.php?p=39896090

FIX
HEY
open the directory - /data/misc/dhcp
using any root file explorer
and DELETE all files in it..
It worked for two of my devices..
U may face the problem again after some months, dont worry, just delete the files :victory:
---------- Post added at 03:26 PM ---------- Previous post was at 03:18 PM ----------
2Radon said:
I installed CyanogenMod 9.1 for Xperia U but the WiFi doesn't work, although it shows connected and worked before on the original ICS. I searched for hours in google and found no working solution for this.
Anybody has an idea how to fix it?
I tried reinstalling the ROM from the zip files on sdcard. I tried applying an Xperia Mini WiFi fix for CM 9.1, Xperia P WiFI modules, and that didn't work either.
Click to expand...
Click to collapse
HEY
open the directory - /data/misc/dhcp
using any root file explorer
and DELETE all files in it..
It worked for two of my devices..
U may face the problem again after some months, dont worry, just delete the files

Related

Rooting Issues. PLEASE DO NOT POST ISSUES ON THE ROOT THREAD

MOD EDIT: PLEASE POST ALL ISSUES RELATED TO ROOT IN THIS THREAD. DEVS PLEASE LOOK INTO THIS THREAD FOR ISSUES AND SUGGESTIONS.
I shall compile a list of problems (possible problems) that people may have when rooting or after root.
Problem: Removed stock apps, still listed in Settings > manage apps
Solution: Delete /data/system/packages.xml, reboot. The phone will repopulate and wala its gone.
Problem: No 3G
Solution: Go to Settings > Wireless controls > Mobile Networks > Access Point Names. Press the left button on the X10 and click on New APN.
Problem: Phonebook doesn't work or F/Cs
Solution: Keep Timescape installed till we get custom roms. Phonebook is linked to Timescape.
Code:
Heres a list of APNs (Thanks to HellHitZ)
APN List: [url]http://docs.google.com/Doc?docid=0AZNbAmKkmakoZGZxZHNwMnpfMjJkaHg3ejN3eg&hl=en[/url]
Original Thread: [url]http://forum.xda-developers.com/showthread.php?t=547718[/url]
Great post by zephyrix to properly setting up root:
http://forum.xda-developers.com/showthread.php?t=712945
Evostance:
Dummies guide to rooting:
http://forum.xda-developers.com/showthread.php?t=714004
MarylandCookie:
Are people who are having issues restoring previous settings after rooting their phones?
This may cause random issues so its best not to restore previous settings, restoring contacts, call logs and sms are acceptable.
I would not suggest restoring old settings on a fresh root.
Regards
Click to expand...
Click to collapse
Problem: Headphones not working
Solution: For X10a users, don't use Step4 and 5 of rooting process
As biktor_gj mentioned:
P.S.: Mediascape is NOT required to correct audio routing between speaker & headphones. This problem was caused by differences on the kernel module that controls audio routing and the newer baseband. With last root version you shouldn't have any problems using Android's original Music app.
Click to expand...
Click to collapse
Step4 and 5 replaces the the baseband and the baseband for X10a is older than the rooted baseband. So for now just do Step1 - 3 until SE releases a new ROM for X10a
I shall add more later, but these I think are the problems that most people are having.
were all the drivers installed properly? check the device manager for any unknown devices after you plugged your X10. if you haven't installed seus please do so. also make sure you use the first usb you plugged the X10 in flash mode. otherwise search registry again for the DeviceID. if you plugged the X10 in flash mode to more than one usb ports, you may have more than one entries in the registry for the DeviceID
Not sure what I did but its working now.. on step 2 halfway done
Im having issues with step4.. it says no device found..
nvm.. got it working now
xxsashixx said:
Im having issues with step4.. it says no device found..
nvm.. got it working now
Click to expand...
Click to collapse
Nice... Let me know since I am going to root it as well.... From Rogers.
Issues after Root. PLEASE DO NOT POST ISSUES ON THE ROOT THREAD
So here are some issues i now have after rooting,
Internet (WiFi or 2G/3G) So slow it is painful yet Market runs fine.
SD/apps is empty(i would like Mediascape back)?
superuser.apk app just displays a black screen (is this right)
cant assign walpapers as Mediascape was used to assign them.
hey do you have to debrand first before you root and can someone post instructions to root Xperia X10a
Rogers Xperia X10-Stock
For me all apps are in "/sdcard/apps/" but I can't install "Mediascape" (Quadrapop installed/uninstalled successfully) via Astro (maybe it's normal) or by copying "mediascape.apk" and "mediascape.odex" files to "/system/app" (Astro/Better Terminal Emulator).
I haven't issues with Wifi.
hoafter root we loose mediascape, can we install it again or is there an media software as an alternative? can i install mediascape again?
or is there an alternative as media image vieafter root we loose mediascape, can we install it again or is there an media software as an alternative?er
1) my keyboard is gone.
I only have HTC IME Mod installed, and it's not working
2) I have a few old O2 shortcuts in the app list but they seem to have been removed and when I click on them it force closes.
Solved issue 1 by installing another keyboard (I chose slideIT)
my wifi isn't working at all idk what the problem is, but my 3g is working perfectly on my X10A
I'm using an X10a from Rogers and rooted using the first post method and third post's X10a files. My WiFi is working perfectly and so is everything else.
Okay guys, my keyboard was gone at first but I fixed that by reinstalling the keyboard. Now however, I can't change my caller id. I had it set to private before I rooted and now I can't set it back to my original caller id. The setting is missing for me. You know how you go to settings and then call settings, I don't have an option to show my caller id. The only thing there is "Network service setting" and "Network Operators" Is anyone else having the same problem as me too?
Root is done ..
Now my phone restarts each time I plug it into the USB!!
Seems that all the input methods are gone.
I had Swype installed, but it wasn't working, so I removed it thinking I could re-install it again. But when I removed to I discovered that there are no other input methods on phone anymore! Help please
reinstall another input method..
thats what I did.
The rooting process seems to have installed the htc keyboard. Go to locale and text in your settings and enable it.
I had to reinstall swype as well, but it's working great now.
Sent from my SO-01B using XDA App
nope mine was running latest from rogers (Stock)

[Q] [HELP] Wifi suddenly not work

My legend's WIFI didn't work suddenly....
I haven't do any wrong on it, when I turn the wifi on, it indicated it was turned on but it search no network......
I have re-flashed the rom and it was not slove.......
how can I do??
FIXED!!!!
Infos?
Hi, can you indicate what ROM you're using?
on b 0.8.4 there is a patch needed for some phones. (just look in second post of the thread.
If you changed your ROM: do a wipe and cache clear (Backup before!)
greetz
alexkno said:
Hi, can you indicate what ROM you're using?
on b 0.8.4 there is a patch needed for some phones. (just look in second post of the thread.
If you changed your ROM: do a wipe and cache clear (Backup before!)
greetz
Click to expand...
Click to collapse
I am using CM7, it works fine before, and I haven't update until I get this problem. So I update the rom from nightly to stable one. But the problem still exist
What can I do to fix it??
seifer007 said:
I am using CM7, it works fine before, and I haven't update until I get this problem. So I update the rom from nightly to stable one. But the problem still exist
What can I do to fix it??
Click to expand...
Click to collapse
Me and a few others had the same problem - try rebooting your router.
finally fixed, I wipe all the data and cache, then re-flash the CM7.
you guys can try~~
maybe it should have been enough only to delete and re-establish the WIFI connection. I had the same issue when I added a another WiFI connection. After deleting all my connection points via the CM settings there was no problem anymore.
So, just if it happens again
alexkno said:
maybe it should have been enough only to delete and re-establish the WIFI connection. I had the same issue when I added a another WiFI connection. After deleting all my connection points via the CM settings there was no problem anymore.
So, just if it happens again
Click to expand...
Click to collapse
i have a threat sbout wifi issues on my legend cm7. But im trying to resolve. i didn´t know about that tip on cm settings.
yesterday i connect to a network, todsy i didn´t see again. but i did clean install... but really it isn´t working 100% my wifi.
I like cm7, gps is good now, but wifi is buged.
Edit: where is the option to delete wifi connections?
Settings - Wireless and network - Wi-Fi Settings - Long press on SSID name and select "Forget network"
Then get in range and reconfigure your wi-fi connection.
maybe also changing the range of wifi channels may help (settings/networks/wifi-settings - then menü button - advanced/ domain) of course only with active wifi working.

Paris.v5 - Wifi Issue

HI -
i have just downloaded the custom rom - Paris.V5 and i am unable to connect to the internet - its via wi-fi and all it stuck on obtaining ip address.
can someone please help
Thanks
SA
shabz1309 said:
HI -
i have just downloaded the custom rom - Paris.V5 and i am unable to connect to the internet - its via wi-fi and all it stuck on obtaining ip address.
can someone please help
Thanks
SA
Click to expand...
Click to collapse
Hi I have never experienced this problem with In Paris v5. Those problems are usually router related. I would suggest the following:
1. Switch off router. Leave it off for a few mins and turn it back on again and try connecting from your tab.
2. If that doesn't work. Switch off router. On your tab go to settings->wireless and networks->wifi settings. Tap on your wifi connection's name and choose forget. Switch on router and scan for networks on your tab and try reconnecting to it.
3. If that fails too, download Wifi Fixer from market for free and see if that helps. Its an equivalent to Wifi settings on Android just like 'fix permissions' for the android system and app permissions
i have done that and my laptop and everything else can connect to the internet apart from the samsung tablet- do i need to flash anything as part of the custom rom install - to confirm all i did was wipe all data and a clean install of paris.v5 -
shabz1309 said:
i have done that and my laptop and everything else can connect to the internet apart from the samsung tablet- do i need to flash anything as part of the custom rom install - to confirm all i did was wipe all data and a clean install of paris.v5 -
Click to expand...
Click to collapse
by "wipe all data", I assume you wiped cache and dalvik cache as well?
in that case, i suggest you try the third step I posted above which is to download Wifi Fixer from the market and it should help.
Try switching to a different channel on your router.
Sent from my SGH-I897 using xda premium
Delete the dhcplist file from your tab via root explorer or another file manager. Dejete the file then reboot the tab. If you google it you'll find where the file is located im at work and I don't remember lol good luck
Sent from my MB860 using xda premium
Since you wiped data, you're not just forgetting a password for the wifi are you?
Thanks for the suggestions - i tried all the above and what and what made it work was the me deleting the dhcplist file - i rebooted my tab and after putting my password in it connected to the internet - so thanks again for all your help.!!

[Q] Wifi tether not working FeraLab MIUI v2.4.13 ROM

I recently upgraded to FeraLab MIUI v2.4.13 ROM and everything looks great but I can not get Wifi Hotspot/Tether not working.
Application installed on rom is Wifi Tether for Root Users: If i keep open (no encryption security) then it's visible on my laptop and I can browse as well but for some reason I can not see this Hotspot on my Samsung tablet. Has anyone experience this issue?
I tried removed the build in Wifi Tether app and re-installed from marked and tried lots of device profiles but no luck. When I select profile as Generic ICS/JB (I know this is wrong anyway) but then my tablet can see it but can not connect to the device.
I have also tried to use Barnacle Wifi but that doesn't work and it says it cannot get SU permission. I don't understand why because I get prompt to allow super user access and that appears in super user permission tab but it eventually fails complaining about the permission.
Any help will be highly appreciated.
Thanks.
P.S. I have locked boot loader but I don't think that should make any difference.
Try adding your wifi information on your own in your tab?
Sent from my X10 using xda app-developers app
Thanks but I did try manually adding the ssid before and after re-installing the app without any luck. Hotspot conection was always appearing as "Not in range".
Regards

Cannot connect to my home wifi (only) after accidentally blacklisting it

So, the weirdest thing happened to me... I installed an app named WiFi Connection Manager from roamingsoft to play around, and I asked this app to blacklist my home wifi.
I then asked to un-blacklist it, but that failed, and ever since I cannot connect to my home wifi anymore: when I insert password it lists my wifi as "saved" but it won't connect.
Things I tried that did not work:
change wifi name
change wifi password
change wifi channel
reset bits and piece all the way down to factory reset the phone, install a different rom* and go back to original rom
* more on that below
Things I tried that did work:
change rom to lineage OS
change rom from android 9 to 8 (both original android one rom from the phone brand) (but going back to the original rom version 9 fails again, even tho I flashed form a newly downloaded file with nothing to do with the version I did somehow corrupt, and before I even logged in to android, so the phone did not even know it was the same user)
change the security of my wireless from wpa2 to something else (wpa/wpa2 for example)
oddly enough if I change wifi settings to have the same wifi name shared between my 2.4ghz and my 5ghz wifi, my phone will connect to the wifi, and it will connect using the 5ghz (the problematic one).
---
i also have the feeling a corruption to my nfc happened at the same time, but I don't know for sure, in case someone knows of a connection between the two problems let me know, but the nfc never worked on other roms.
When I flash a new image I flash a number of partitions including one named bluetooth, so I can't imagine which partition I am leaving untouched that has the blacklist in it...
Does anyone have an idea how an app -even if it had root privileges- could cause such low level damage, and more importantly how I could fix it?

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