wifi disabled - AT&T Samsung Galaxy S 5

i have a friend whose S5 wifi isnt working. Odin flashing the stock KOT49H Build hasnt rectified the issue. Before advising on anything that could potentially mess it up even worse, do we think that the modem could be the issue? Anyone else experience this? Thoughts?

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Possible Wifi hardware issue?

Hi. I started having a problem with my wifi recently after updating to 4.3. Wifi turn itself on and off and sometime stay "turning on" state or "error". I have tried to return to stock ROM 4.2.2 (and Radio) and different version (4.2.2 and 4.3), but wifi issue remain the same.
Anyone has experienced this? Any sugguestion for the fix?
It looks a lot like a HARDWARE issue after i tried several ROMs and Ratios.
Thanks
Have you the wifi_ctrl_wake and wifi_rx_wake processes that never stop running? Because i have the same problem with the arhd 30, i was thinking about downgrade to a 4.2.2 ROM...

[Q] a kernel question for devs

Hey guys
Not sure if this issue is only with my phone or others have it too.
The issue is that on any kernel that is not stock, such as doomkernel, xzk and cm/aosp, the WiFi likes to disconnect after a while of sleep then refuse to find most networks again. This issue persists even after restarting WiFi. The only way to fix it is reboot the device.
My question is, in your custom kernels, is there something different in terms of WiFi compared to original stock kernel? If so, could you help me diagnose the issue?
I ran a logcat and it said something about an error with wpa2 psk
spazzy1912 said:
Hey guys
Not sure if this issue is only with my phone or others have it too.
The issue is that on any kernel that is not stock, such as doomkernel, xzk and cm/aosp, the WiFi likes to disconnect after a while of sleep then refuse to find most networks again. This issue persists even after restarting WiFi. The only way to fix it is reboot the device.
My question is, in your custom kernels, is there something different in terms of WiFi compared to original stock kernel? If so, could you help me diagnose the issue?
I ran a logcat and it said something about an error with wpa2 psk
Click to expand...
Click to collapse
Post your logcat.
Yes, the WiFi modules in the custom kernels are different from Sony's. And we don't have access to Sony's source code for this.

[Q] i9000 can't 'see' my wifi network

I've just upgraded to Ressurection Remix Rom 4.4.2 (from 4.2.3 CyanAOSP), and everything is fine except the wifi. my i9000 finds some networks, but not mine! My network IS visible, so it's not that. But, given it finds other networks, i'm completely lost...All my other devices can see my network.
Has anyone else come across this issue?
PS: I don't think this is related to RR rom as i had the same issue with some other roms last time i tried to upgrade. Reverting back to CyanAOSP 4.2.3 resolves the issue.

XT1058 dead?WiFi

Hi guys i have a story to tell you... my WiFi doesn't work on XT1058 5.1... i thought was a Lollipop related issue so wanted to downgrade to 4.4.4 and see if the problem really was related to android version, but it isn't. I downgraded successfully from 5.1 to 4.4.4 with your tutorial, but the WiFi problem persist. Now i know i'm really screwed up becouse i tried i believe everything possible...
- Airplane mode
- Factory reset
- Cache wipe
- Full wipe
- Custom rom
- Custom kernel
- Android 4.4.4
- Different AP's and routers
- Delete wpa supplicant conf...
So i don't know what to do. Te specific problem is that WiFi can see available networks, but randomly some of them disappear and others show up, and when i try to connect for ex. to my home network, it says "connecting" and then "saved", with all networks happens the same. Does anyone has a clue, or maybe somebody in the same situation?
I have similar problem before. I tried returned to full 4.4.2 stock and no go.
In the end , I send it to moto and they replace me a new one which costs me 100 bucks.
I think It could be a hardware problem and might caused by running wifi hotspot too often...
Sent from my XT1053 using Tapatalk

Because the p8 lite fail the wifi?

Hi, I would like to know why p8 lite are failing wifi, is it remittance or do they all fail? I have been told that September 2015 is true?
Does anyone know why they fail exactly if it is a manufacturing or are they all X time? Thank you
What are you talking about? Do you have any issues with wi-fi connection?
Its a hardware issue me and some members in this forum had to sent phones to the warranty to be fixed
samabdu said:
Its a hardware issue me and some members in this forum had to sent phones to the warranty to be fixed
Click to expand...
Click to collapse
I never had that problem, P8 Lite, 574 ROM
Hi, I also have the 574 rom yet after installing a emui software update a couple of months ago, the wifi slider is greyed out. There's no way to connect to wifi or bluetooth. Ive unlocked and rooted it, could installing an older rom fix the issue or is this hardware related? Thanks in advance
Hhansh said:
Hi, I also have the 574 rom yet after installing a emui software update a couple of months ago, the wifi slider is greyed out. There's no way to connect to wifi or bluetooth. Ive unlocked and rooted it, could installing an older rom fix the issue or is this hardware related? Thanks in advance
Click to expand...
Click to collapse
I had same problem and thought hardware was broken but it got fixed when I wiped everything in TWRP and then installed newest firmware. If u test this please take backup before wiping things.
had wifi issues as well. while i was in my holiday the wifi, bluetooth, NFC stopped working. cellular data and GPS were still working properly.
phone was in warranty and they gave me a new one telling me it was a harware problem

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