Help samsung galaxy s4 wifi not working - Galaxy S 4 Q&A, Help & Troubleshooting

i flashed back to my stock rom after omni rom and my wifi wont even turn on

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[Q] How to install the AOSP rom on Samsung galaxy S4 I9505?

Hi everyone ,
Well I bought a samsung galaxy s4 I9505 and when I updated it to KitKat I was facing a wifi problem it becomes greyed , I tried to flash it with different official rom but with no success. I've rooted it and it works fine but for me it doesn't seem to be a good solution. Now I want to know if there is a tutorial to install the AOSP rom on it maybe it will solve my problem once for all.
Thanks

Wi-Fi issues after flashing stock rom on Rogers S4

A few months ago I rooted my S4 and flashed Cyanogenmod as my custom rom. However, my S5 came in just 3 days ago and so I had to hand down my S4 to my mother. For whatever reason, she prefers touchwiz and hates the idea of a custom os, so she made me put touchwiz back. I did this by flashing a stock rom onto the phone, which I heard would also disable the root access. I followed the tutorial on rootmyandroid.com, using both the Odin and Rogers S4 firmware the tutorial provided, and the S4 was brought back to stock firmware. However, now my mom can't turn on Wi-Fi or Wi-Fi hotspot. Please help.
Thanks!

Wifi Country Code and klte (SM-g900f) and CM12

Hi guys. I bought a Galaxy s5 g900f (aka klte) with stock touchwiz android 4.4.2. In my country, Chile, it refused to connect to any wifi. I did some research, rooted it, installed Rom Toolbox, and I wrote a script that solved the issue, which set the wifi_country_code to us.
I was having some issues with LTE and 3g data connection, so i flashed cyanogenmod 12.1, because in my experience it has solved problems on other devices before, automagically (on passion, i9300, iyokan). Then, wifi stopped working. I looked everywere about how to solve the wifi_country_code issue on CM12 or lollipop, to no avail.
I was thinking about flashing CM11, but cant find CM11 for klte. Now, i'm thinking about going back to stock 4.4.2 . Can you tell me somethig to try before going back to stock?
device: Samsung SM-g900f (klte)
Current ROM: Cyanogenmod 12.1
I want to connect to the damn wifi, so if someone knows how to solve the damn wifi_country_code issue on lollipop on S5 stock, it would be helpful.
Getting angry and shouting damn a lot won't help
Have you asked in the CM12 thread?
EDIT - Now you're on Stock LP 5.0?
Which is it?
http://forum.xda-developers.com/showthread.php?t=1982149
Codes
http://web.archive.org/web/20080210040406/http://www.unicode.org/onlinedat/countries.html
http://iso.staratel.com/InfTech/ISO3166/CountriesCodes.htm

Samsung galaxy s4 popwiz rom lite wifi not turning on

Hello, so i flashed popwiz s6 rom and everything is working flawless except for the wifi it just wont turn on. I tried flashing the rom with different recoveries, tried a modem fix with odin and the basic stuff like factory reset. I really like the rom and i dont wanna change it so if you guys could help me i'd be thankful. Im using Galaxy S4 I9505.
What about a different kernel?

[HELP]Unable to activate wifi on galaxy s4 i9505

Hello i found my old galaxy s4, i downloaded a 5.01 rom on it , i was not able to activate the wifi.
I tried to root and delete the wifi folder same problem..
I used twrpe to wipe and reflash, same problem the wifi don't work.
I used a new rom Albe95 LolliROM 5.1.1 and i still have this problem, someone can help me?
Thanks !
Is the wifi option greyed out of does it try to turn on and then turn itself off?
Could be a hardware problem. I have two s4 motherboards that work except for wifi on stock and custom roms.

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