Kitkat upgrade today - can't turn on wifi anymore!

[rizzitelli]

I think its not necessary to flash a different firmware as many people wrote that the wifi problem was still there.

I tried the following and so far it works:

You need access to the file system of your phone via Total Commander!

If your phone is not rooted follow steps 2. - 5. If it is rooted start the Total Commander App.


1. Download Total Commander App from the App Store to your phone
2. Download Odin to your PC and install it
3. Download CF-Auto-root file for your phone, in my case s4-lte-gt-i9505
4. Make sure that you have the right file for your phone!
5. Root your phone now using Odin v3.07 or higher and CF-Auto-Root-jflte-jfltexx-gti9505.tar.md5 (in my case this one is for Samsung S4 GT I9505) - how to root you can find on inspiredgeek dot com
6. Start Total Commander App
7. open the file "system" (can be that this file is found in the file "root")
8. open "built.prop" with Total Commander Editor
9. search for "ro.securestorage.support = true" and change the value to "false"
10. Safe file
11. Reboot your phone

Wifi should work again.

 

[Nan Oo]

I have the same problem. Wifi is greyed out, and won't stay on or register any sources. If you hit "Advanaced" options, the "On" switch turns green in the background, but it doesn't change anything, Tried rebooting, removing battery, removing and replacing sim card, etc. Nothing has worked yet. Without wifi, my phone is useless. Hope someone figures something out.

 

[gamexcrazy flame]

i have found the solution for this ....

i have the same issue with my samsung note 3 neo... about a while the wifi cant turn on... even after resetting it keeps coming up in a while... but i have discover the best solution without resetting my phone...

solution:
turn off your phone..
dissamble the battery...
wait for 3 min...
put the battery again...
at this moment, hold the power button together with the up volume button.... your phone now will turn on and go into safe mood ...
at this moment , the wifi problem should have fixed....
lasttly, restart your phone as usual , and its all good...

this solution works for me, hope it will work for you too ...