Samsung S4 WiFi Problem. - General Questions and Answers

I have cm 12.1 on my s4. Recently after rooting it with cf auto root. I find when I connect to WiFi. Then it automaticly disconnects and then I can't reconnect. I have to enable and disable flight mode and then it sometimes works. Help please
I have tried reflashing the ROM version I first use when using CyanogenMod. Please help. Can't find answers anywhere

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[Q] Samsung Kies Problem

Hi Guys,
I followed the process from this link in the XDA forum to get my 3BR mode working.. its working perfectly, I am able to access the recovery mode > which allowed me to apply the voodoo lag fix.
I was quite happy until I plugged my phone back into KIES.. In KIES when I click firmware upgrade my phone immediately fails saying the servers are unavailable or I don't have a internet connection, however I do.
I have tried unistalling and reinstalling to no avail. I would love to get this working before froyo 2.2 comes out so I can upgrade via KIES.
This is my phone about screen
2.6.29 curio carton #Voodoo_lagfix_3.0
Build Number : ECLAIR.DTJG4
Please help me
Cheers
Milan

[Q] Galaxy S3 LTE I9305 Kitkat 4.4.4 problems

Hello to everyone, i am new to this forum and i am practically a noob. So here is the question... I have installed stock 4.4.4 Kitkat for my S3 LTE and it works fast and good, but it doesnt want connect to mobile internet. When i turn off LTE in Network Mode everything is ok, but soon as i turn on Auto mode internet stops working.... And also on 4.3 ROM i had turned on Torchlight in hidden settings (when screen is off you can turn it on by pressing Volume Up key) and now it's not working any more and if i try to turn it on i get a message "Settings has crashed".
If any one has any solution please help
Thank you

[Completed] [Q] Wifi doesn't turn on

Hello,
I've a wifi problem with my Samsung Galaxy S4 (GT-I9505). I had CM11 on my phone, but I don't like it anymore so I wanted to uninstall it. I followed this guide: http://forum.xda-developers.com/showthread.php?t=2265477&page=346. I've installed the official stock firmware ''Latest lollipop 5.0.1'' with Odin3 v3.10 from the 2nd post in that topic.
The installation went fine. After the installation the only thing is that my wifi won't turn on. When I push the button, the wifi turns on, but directly after that it turns off (in 1 s). I've tried it many times, I've done a factory reset, wiped the cache etc. but still it won't work.
I followed the guide properly.
What can I do to solve this problem? Thanks in advance!
Hi,
Thanks for using XDA Assist Please reinstall stock firmware and see that you are flashing right Stock Firmware available for your region Factory Rest after flash
Good Luck!

HELP! Phone WiFi won't turn on after rooting.

Good Day! I have a Samsung J5(SM-J500H) 3g and decided to root it using Odin flashing tool and rooted it with CF Auto Root file for my device. It was successful but WiFi suddenly won't turn on. (The toggle stays 'off' no matter what). I read about renaming the wpa_supplicant.conf file found under data/data/misc/wifi but I can't find it and so I haven't found any solutions to this problem. I hope you can help me guys. Thank You!

Please help me out!

Hello, I have Samsung galaxy J7 (2016) Device with me. I am encountering an issue with my device. Its a 4g device. I use a jio sim in my device with a 4g connection. In the phone settings the network mode for the sim is LTE/3G/2G but whenever i reboot my device, my device starts showing emergency calls only and the network mode automatically changes to 3G/2G everytime. I have to change the network mode to LTE/3G/2G everytime manually in order to use the sim properly. I even tried a factory reset and re-flashed the stock rom but still the issue is persisting. I also tried using the sim on other devices but no one showed this issue. Can anyone please help me with the solution? I would be really gladful!
Please help me with the solution

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