Wifi does not turn on - Galaxy S III Q&A, Help & Troubleshooting

So today I wanted to return to stock 4.4.2, so I flashed the file via odin successfully, but after rebooting etc the wifi does not want to turn on at all? The wifi works fine on other roms, but does not turn on on stock rom and toggle remains grayed out.
It is strange because when I flashed the file the first time everything worked perfectly, but when I trei
tried it now did this?
How to fix?

Make sure the modem/ baseband is updated too. Flash the stock rom again.

Related

[Q] Wifi not working after trying to flash kernel

ok, so i unlocked and rooted my rezound, everything was working 100%, then i start flashing diferent roms and it was conecting to wifi with no problems, however when i flashed ( or tried to flash ) a new kernel ( dont remember which one ) wifi stoped working for me, it scans but doesnt pick up any network. i went back to stock kernel and nothing, re-locked device and installed verizon factory Ruu for the rezound and Wifi still doesnt work. Im going crazy here please help, maybe im flashing the kernel wrong but re-locking and restoring to factory Ruu should have fixed it
I was also having the same issue and tried reinstalling kernals and nandroids. I was loading the kernal through Amon Ra interface directly and no matter what I did I still had issues. Sooo, I revised my recovery process and found that dummy me can't read instruction correctly. The issue was resolved after I did a factory reset on the rom (Ineffablis v1.0) then I followed the instructions for installing the kernal (I'm using the SmartassV2 kernal from dsb9938; flash from SD, then flashmethis file and finally through HBOOT, it's a process ok?), rebooted and I was able to get WiFi working again. I've had this issue whenever one of the additions I was trying did strange things to my phone and have sucessfully restored WiFi (about 10 times for this occurance). I've also had to do a hard reset (pulled the battery) and follow the process to get back to functioning. Hope this helps.
i locked the phone again, and ran the rezound stock Ruu and did factory reset, still not picking up any networks. the wifi doesnt give and error it scans and everything, but for some reason it just doesnt pickup any networks
If you read the complete directions when flashing a rom... They state you will need to flash the wifi module after a fresh install. So just flash the kernel over again and you will have wifi working.
Thanks a lot, finally got it working
Sent from my HTC REZOUND using xda premium
I'm having the same problem where my rezound won't find any networks. My bluetooth won't turn on either. How were you able to fix it?
thanks,
ron
Edit

Data connection won't turn white!

Hey guys, so over the last 2 hours I've been trying different ROMs to see which I like and give me the best data speeds.
During the process I thought I flashed the att JB radio but wasn't sure so I flashed it again.
After that no matter what ROM or what radio it will not fully connect.
It stays orange on tweaked aosp based ROMs but still gives some data connection, while on stock based ROMs it won't connect to data period.
I tried flashing some the mako 0.48 radio and nothing, then the JB radio, nothing, then the ICS and then the JB, nothing.
I thought maybe I messed up the EFS so I restored a backup and still orange no matter what. D-:
Please help me fix this.
Edit: Restored my Beanstalk backup from this morning and the data icon turns white
Edit 2: flashed stock JB and still doesn't connect.
Edit 3: connects fine, stock JB wouldn't connect because APN wasn't set.

[Q] All around issues

Alright guys, this is gonna be kinda long so get ready. I was running stock 4.4.2 NEW and I saw that there was a way to get GPE 4.4.3 and 4.4.4 rom working on the s4. I followed all the instructions on RickGrimes's post and wifi didn't work. Not and big deal. I couldn't soft reboot, so I tried flashing gogolies nc2 wifi fix and this modem worked. I then tried to update to 4.4.4, also following the instructions and the wifi didn't work once again. I flashed gogolies nc2 wifi fix again but it did not work. I also realized that I had no service at all and that I couldn't send or receive any messages or calls. So I did the safe thing and used Odin to get back to stock. I am currently running stock but the service is still terrible in places where I usually get great signal. Also, my wifi strength seemed to go down from what it usually is. Another issue is that my contacts that were backed up in backup assistant aren't there anymore at all. I generally know what I'm doing when it comes to this stuff but for some reason I have no idea how to resolve these issues. Any help will be appreciated.
Reolved
Jessooca said:
The easiest way to fix your phone or any phone for this matter is always to download and flash the stock tar file of whatever version of Android you were last on in Odin.
Then visit towelroot.com in your browser on your phone and root it again. (Don't forget to enable usb debugging first)
Click to expand...
Click to collapse
I wound up going back to stock 4.4.2 via Odin, but the problem still persisted. I figured out the my network settings were changed to Global instead of CDMa/LTE. Changed it back and all is well! Thank you though!

Emergency calls only aleatory on 4.3 Stock

Hi everyone,
I really need your help for a problem that i have.
I was on 4.3 stock with Boeffla Kernel, everything is good, i installed after CM11 to test it and after a day, i flashed back on XEF (XXUGNJ2 / ) 4.3 Stock ROM with Philz recovery only, all other things are Stock.
My phone work fine, but after an aleatory time, my phone is on "Emergency calls only", i must enter on Airplane mode and back to network mode.
My phone work normally, but after hours, it went back to "Emergency calls only"....
I reflashed XXUGNJ2 again with Philz WIPE, and the same problem, the phone works and after a time it became on "Emergency calls only"..
I search on the net, and found there is a patch Modem/Kernel which resolve this, i flashed them and WIPE ALL, the same problem, it work a time and went back to "Emergency calls only"...
Do you have an idea to resolve my problem?
MrDSM said:
Hi everyone,
I really need your help for a problem that i have.
I was on 4.3 stock with Boeffla Kernel, everything is good, i installed after CM11 to test it and after a day, i flashed back on XEF (XXUGNJ2 / ) 4.3 Stock ROM with Philz recovery only, all other things are Stock.
My phone work fine, but after an aleatory time, my phone is on "Emergency calls only", i must enter on Airplane mode and back to network mode.
My phone work normally, but after hours, it went back to "Emergency calls only"....
I reflashed XXUGNJ2 again with Philz WIPE, and the same problem, the phone works and after a time it became on "Emergency calls only"..
I search on the net, and found there is a patch Modem/Kernel which resolve this, i flashed them and WIPE ALL, the same problem, it work a time and went back to "Emergency calls only"...
Do you have an idea to resolve my problem?
Click to expand...
Click to collapse
Try to flash another modem and see how it works.
Be sure you flash a modem compatible with your region and carrier.
Thanks for your reply.
Being on xxugna8, i already flashed XXEMG4, and the same problem, worked a while and fall on "Emergency calls only".
Any help please?
Have you done a clean install when you switched to CM11? I would be you I would do again a clean install of rom+gapps+kernel+modem and see how it goes.
I didn't stay along time in CM11 to see if the problem is there in CM11, but i want to stay in Stock ROM.
I always install with a clean install (Wipe with Install a new ROM in Philz Recovery).

After Update to 4.1.2 can't switch WIFI on :(

Hey Guys
Since many apps don't support GB I was forced to do update.
After flashing with original JB 4.1.2 everything seems to be ok, but there is no way to turn wifi on.
WIFI icon on bar is half-highlighted, tapping on it gets no results......Wifi tethering not working also
Cache and Full Wipe was done, there was suggestion to flash with "siyah kernel" - also not working.
It seems that problem is related to fault ROM file because on ICS and GB wifi works fine......
Any tips? suggestions?
i9100 without wifi is useless :crying:
kostya_pl said:
Hey Guys
Since many apps don't support GB I was forced to do update.
After flashing with original JB 4.1.2 everything seems to be ok, but there is no way to turn wifi on.
WIFI icon on bar is half-highlighted, tapping on it gets no results......Wifi tethering not working also
Cache and Full Wipe was done, there was suggestion to flash with "siyah kernel" - also not working.
It seems that problem is related to fault ROM file because on ICS and GB wifi works fine......
Any tips? suggestions?
i9100 without wifi is useless :crying:
Click to expand...
Click to collapse
Did you flash the correct JB update? Maybe try a different STOCK JB rom from a different region.
Or directly try to install a custom ROM, for example CyanogenMod.

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