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  1. spwong's Avatar
    Hi, I am unable to replaced wlan0 to your suggestion but unable to save changes..why? can u pls help..tq

    Change ctrl_interface=wlan0 to ctrl_interface=/data/misc/wifi/sockets

    The reference to wlan0 is a bug, far as I can tell.
    04-20-2014 04:20 PM
  2. Tiffany Anderson3's Avatar
    Same thing with my galaxy s4 I haven't been able to use my wifi for weeks now, I took the battery out of the phone for a total of 10 minutes and restarted and.... wallah my wifi is on and working, Hallelujah!!!
    Anyone else having the same issue do yourself a favor and try this first, rather than technical mumbo jumbo
    04-20-2014 10:33 PM
  3. MAESADA's Avatar
    Way to solve the problem of Wi-Fi in the immediate
    Wi-Fi Tethering → ON → OFF



    It is a language of Japanese, but I wonder if you can see the sign?
    04-27-2014 10:46 PM
  4. 1caiser's Avatar
    All of you and your technical stories were fun to follow, only that when I tried, it all ended in failure.

    Battery popping, factory reset, blowdryer to the motherboard, upgrading to Kit-Kat, rooting and trying to install a mod (Cyanogen in my case), and finally sending into Samsung to get it back on [Beyond Economic Repair].

    Follow these steps ONLY AS LAST RESORT. 'CUZ THAT'S WHAT I DID.

    THE ONLY WAY I GOT MY PHONE TO COME BACK:

    1. Get Samsung Kies.
    2. Get Odin and a .tar file for your Galaxy (Probably from StockRoms.net or some similar mirror. The download file should be about 1.6 GB [forum calls this "Gingerbread", I meant "Gigabytes").
    3. Put Galaxy into downloading mode.
    4. Start Odin and plug in your Galaxy to the computer.
    5. Select PDA and put in the .tar file.
    6. Hit [Start] on Odin.
    7. When phone has a blue bar, unplug the Galaxy. This will put it in emergency mode, where it has a corrupted iOS or something (I'm not a technical genius).
    8. Go to Samsung Kies and go to [Tools] > [Firmware Upgrade and Initialisation].
    9. Type in the Model Code. You can find this on your phone, behind the battery (you shouldn't have plugged in the phone yet).
    10. Type in the Serial Number (on the tag, it's labeled "S/N").
    11. Proceed with firmware upgrade (press OK). Proceed with data wipe (Press OK).
    12. Let the download go through. Chill, go get something to drink, etc.
    13. Now with your Galaxy, pop in the battery and put it in Download mode. You shouldn't see Emergency mode anymore (at least that's what happened to me, Emergency just disappeared).
    14. Let the downloading go through. Should take a while, so chill some more.
    15. When the phone is done updating, it should be in setup mode from the last Kies firmware upgrade. Proceed with phone setup and enjoy fixed Wi-fi.


    The plug-pull was an accidental discovery.

    -Kai
    04-29-2014 02:39 AM
  5. curious09's Avatar
    hi I was wondering if you've found a solution for your issue?? I know this post is very old, but I am just now having this problem and i'm looking for a fix asap.
    04-29-2014 06:03 PM
  6. Yau007's Avatar
    Same to me. My S4 just got repaired with a dead charging port (not included in warranty as they claimed). I got my phone back yesterday but found the WiFi switch cannot be enabled. I have tried all the methods as mentioned from page 1 of this thread, none of them works. I am considering to return it back to Samsung CSC. Any other hints before I do that as it was bought o/s while Australia Samsung does not provide worldwide warranty.
    04-29-2014 07:23 PM
  7. blackberriquero's Avatar
    Thats weird my mom has an s4 and she can do all the things that you can't

    Sent from my Moto x, my weapon of choice!
    04-29-2014 08:02 PM
  8. metle_geek's Avatar
    Same to me. My S4 just got repaired with a dead charging port (not included in warranty as they claimed). I got my phone back yesterday but found the WiFi switch cannot be enabled. I have tried all the methods as mentioned from page 1 of this thread, none of them works. I am considering to return it back to Samsung CSC. Any other hints before I do that as it was bought o/s while Australia Samsung does not provide worldwide warranty.
    Hmm Idk what steps have you taken??)

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    04-29-2014 09:52 PM
  9. Yau007's Avatar
    Thanks for your reply.
    I have done the followings:
    1. Master reset and factory defaulted.
    2. Remove battery while it is re-booting.
    3. Try deleting the file "wpa_supplicant.conf".. I have just discovered that this file is read only and cannot be removed.
    It resides in the folder within my S4 in /system/etc/wifi. While using the Root Explorer program, it said that my phone is not rooted.
    Do you know how I can root my phone?
    I have also checked with a phone repairer in Parramatta. He said to refresh the Rom could be able to fix it but I am a bit concerned if that won't work, will I be able to recover the OS?
    Rgds
    Yau007
    04-30-2014 03:10 AM
  10. metle_geek's Avatar
    Thanks for your reply.
    I have done the followings:
    1. Master reset and factory defaulted.
    2. Remove battery while it is re-booting.
    3. Try deleting the file "wpa_supplicant.conf".. I have just discovered that this file is read only and cannot be removed.
    It resides in the folder within my S4 in /system/etc/wifi. While using the Root Explorer program, it said that my phone is not rooted.
    Do you know how I can root my phone?
    I have also checked with a phone repairer in Parramatta. He said to refresh the Rom could be able to fix it but I am a bit concerned if that won't work, will I be able to recover the OS?
    Rgds
    Yau007
    OK I would think twice before deleting system files... but if you need root I need to know what phone you have AT&T verizon international t mobile sprint?? Are you on 4.3 or 4.4.2 kit kat?? This is crucial bc if you try the wrong stuff I t can brick

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    04-30-2014 09:57 AM
  11. Yau007's Avatar
    My S4 is GTI-9505 (A3LGTI9505) which I brought from eBay HK.
    I have tried refreshed the Rom using the method from other sources.
    It is now coming up with "Kernel is not Seandroid Enforcing" "Set Warranty Bit: Kernel".
    Please help.
    05-02-2014 06:11 PM
  12. metle_geek's Avatar
    My S4 is GTI-9505 (A3LGTI9505) which I brought from eBay HK.
    I have tried refreshed the Rom using the method from other sources.
    It is now coming up with "Kernel is not Seandroid Enforcing" "Set Warranty Bit: Kernel".
    Please help.
    It means it's unlocked you might be better off flashing a new rom )

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-02-2014 06:39 PM
  13. metle_geek's Avatar
    http://www.zdnet.com/samsung-acknowl...em-7000015431/

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-05-2014 11:00 PM
  14. Subhan Xeroxer's Avatar
    It is memory card problem. Your memory card data had been corrupted some of that. If you really need to use your wifi immediately just switch off your galaxy and take out the memory. Switch on and It will works!
    05-07-2014 06:49 AM
  15. Yau007's Avatar
    Well, I have exhausted on all options and the S4 just refuses to turn it bloody WiFi switch on while the Bluetooth switch is OK.
    Options done
    1. Pull out battery during it boots up.
    2. Delete or change the content of the file "wpa_supplicant.conf"
    3. Refeshed Rom with older version.
    I begin to think it may be a motherboard issue. The Australia Samsung repair centre refuses to repair it even I agreed to paid in full. They said the phone was bought from o/s that they cannot obtain spare parts. It is funny. I am very upset and will not trust on the quality of Samsung products even though I was a Samsung fans for years.
    05-09-2014 04:26 AM
  16. metle_geek's Avatar
    Sounds like a kernel issue you need to reflash the kernel

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-09-2014 02:15 PM
  17. Yau007's Avatar
    Also attempted all instruction as per HeshamRabea mentioned in Page 2 #42.
    Refreshed the WiFi Fixpatch, Modem fix, still no good. I also refreshed
    the Kernel with GT-I9505_Adam.Kernel.2.3.CWM, still no good. Not sure
    if I am using the correct Kernel but it does accept it. Still having
    "Kernel is not Seandroid Enforcing" "Set Warranty Bit: Kernel" during
    start up. Not sure if that actually affects the WiFi cannot be enabled.
    If this is the case, what Kernel I need to use? Thanks.
    05-09-2014 11:15 PM
  18. metle_geek's Avatar
    What modem are you running?? Iy will be in your base band if your running the wrong modem it will do that as well even thogh the kernel controlls the wifi the modem is basically the codec instruction set that actually connects All that means is your knox warranty flag is void and it's not an official kernel which gs4 are you on? I 900 international or the shgh I337 at&t??

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-10-2014 12:24 AM
  19. Yau007's Avatar
    I think my Samsung is GTI-9505 S4 LTE one (how to get that check?). However, I cannot use any of those in the offical firmware from Firmwares | SamMobile. It just fails when freshing using Odin. The working one I loaded while CWM is
    "GT-I9505_WanamLite.XXUFNC5.V2.6.NO-WIPE". However, it just got the warning message "Kernel is not Seandroid Enforcing" "Set Warranty Bit: Kernel". I also loaded with "S4 Google Edition ROM: AOSP Android 4.4.2 KitKat ROM" earlier, it also work.
    05-10-2014 07:18 AM
  20. metle_geek's Avatar
    You need to take this up with the developer in the xda thread you might have a wifi fix

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-11-2014 10:50 AM
  21. metle_geek's Avatar
    I need this screen settings#more# about device

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    Attached Thumbnails Please help... My Galaxy S4 won't let me enable Wi-Fi-1399823539607.jpg  
    05-11-2014 10:52 AM
  22. metle_geek's Avatar
    I need the base band it's your modem/ boot loader

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-11-2014 10:53 AM
  23. metle_geek's Avatar
    If your in the states and on at&t I recomend deadly venom it's based off of the i9505

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-11-2014 11:00 AM
  24. metle_geek's Avatar
    I think my Samsung is GTI-9505 S4 LTE one (how to get that check?). However, I cannot use any of those in the offical firmware from Firmwares | SamMobile. It just fails when freshing using Odin. The working one I loaded while CWM is
    "GT-I9505_WanamLite.XXUFNC5.V2.6.NO-WIPE". However, it just got the warning message "Kernel is not Seandroid Enforcing" "Set Warranty Bit: Kernel". I also loaded with "S4 Google Edition ROM: AOSP Android 4.4.2 KitKat ROM" earlier, it also work.
    Use titanium backup and make a backup file then do a nandroid backup then wipe everything dirty flashing can actually disable certain things such as wifi only do a dirty flash if the developer says it's OK ik ot sucks when you have to rebuild it but ide rather have a working model and rebuild my home screen and reflash everything then do a dirty flash and have things go wrong it's simply why I don't do dirty flashes last dirty flash I did it actually corrupted my memory and bricked it took 3 weeks for it to finally take effect but it's what happened it over heated and cooked my mother board

    Sent from my SAMSUNG-SGH-I337 using AC Forums mobile app
    05-11-2014 11:23 AM
  25. Yau007's Avatar
    Thanks for taking care of my issue.
    My phone firmware status as shown after checking *#1234#
    AP-I9505XXUFNC5
    CP-I9505ZHUFNB3
    CSC-I9505EVRFNC2

    I have noticed that there is no way to change "CP-I9505ZHUFNB3" even after a factory reset and loaded with different firmwares. However, AP and CSC can be changed using different Roms.
    While trying to update both the AP and CSC to the same ZHUFNB3 version, the phone keeps prompting out "Google search cannot be activated" that prevents me from keying anything to the screen. I believe it is this firmware CP-I9505ZHUFNB3 (latest 4.4.2) causing all the troubles.

    While using Odin to update any of the Samsung Official firmwares (from Sammobile), none of them got working even after I factory reset (clean flash). Here is the typical errors from odin.
    <ID:0/009> Added!!
    <ID:0/009> Removed!!
    <ID:0/009> Added!!
    <OSM> Enter CS for MD5..
    <OSM> Check MD5.. Do not unplug the cable..
    <OSM> Please wait..
    <OSM> I9505ZHUDMI1_I9505ZZHDMI1_I9505ZHUDMI1_HOME.tar.md5 is valid.
    <OSM> Checking MD5 finished Sucessfully..
    <OSM> Leave CS..
    <ID:0/009> Odin v.3 engine (ID:9)..
    <ID:0/009> File analysis..
    <ID:0/009> SetupConnection..
    <ID:0/009> Initialzation..
    <ID:0/009> Get PIT for mapping..
    <ID:0/009> Firmware update start..
    <ID:0/009> SingleDownload.
    <ID:0/009> sbl2.mbn
    <ID:0/009> NAND Write Start!!
    <ID:0/009> sbl3.mbn
    <ID:0/009> rpm.mbn
    <ID:0/009> aboot.mbn
    <ID:0/009> FAIL! (Auth)
    <ID:0/009>
    <ID:0/009> Complete(Write) operation failed.
    <OSM> All threads completed. (succeed 0 / failed 1)
    05-11-2014 08:09 PM
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