Download / Install The AT&T Galaxy S4 SGH-I337 Android 4.4.2 KitKat OTA Update [I337UCUFNB1]

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  • CJ

    After update my battery is lasting longer. I updated from 4.2 to 4.4. But i have no longer the button to turn off data and email application from the system doesnt work.

    That is the only 2 drawbacks hopefully a new ota release soon to improve

  • elmes arias

    well the link to the OTA update. Don’t longer exists.Nevertheless,I have SGH-I337 mk2 but my boot loader. So will this update still work?

  • Whodini

    I have been reading all the comments and i haven’t found what im looking for
    First my phone is rooted and unlocked{ im using a different carrier } . Now i want to update my phone to Kit kat .
    Admin when i update do i have to unlock my phone again before i can use a different carrier or ones i have unlocked it i can still use a different sim even after updatng ?

    • http://www.theandroidsoul.com/ Shivam

      Which unlock method you used previously?

      • Whodini

        someone did it for me i didnt know how he unlocked it

    • judabaws1

      I did not need to re-unlock.

  • judabaws1

    OMG thank you so much!!! You are a fricking genious!!!! worked like a charm! ive ben drownig on mf3 forever and finally im more or less cought up! thanx agai and keep up the good work!

    • Whodini

      where you using a different carrier ?

      • judabaws1

        Yes I’m not located in the us so I faill to receive any otas but now I’m flying with 4.4.2 nc1

        • Whodini

          tell me how you did it. I have been trying to install my OTA zip from my external sd but i get an error along the way . it says sidebar something . How did you update yours ?

        • Whodini

          tell me how you did it. I have been trying to install my OTA zip from my external sd but i get an error along the way . it says sidebar something . How did you update yours ?

  • chourng

    My phone is samsung galaxy s4 i337UCUAMDL. Could i update with this firmware I337UCUFNB1?

  • Daniel Felipe Parra Cortes

    Humberto Martinez

    You have to get the MK2 version (is the step 2)!
    I did it, and now everything is ok!!
    :D

  • Humberto Martinez

    i Get an Error, Volume up error, i have 4.2.2 I337UCUAMF3

  • Dave

    Awesomeeeeeeee!!!! I followed every steps from updating to 4.3 to 4.4.2 kitkat. It work perfectly

  • Christopher Gabriel Mwaluko

    Thank you very much…I followed every procedure from updating to 4.3 to kitkat and amazingly it even fixed my efs problem….may God bless you admin..your methods saved my i337

  • Francisco Leal

    Hi !!!! excellent !!!! very easy for my Galaxy S4 in Mexico, updated from 3.2.2. to 4.4.2 !!!!! Thanks again, regards

    • Humberto Martinez

      Francisco, what company do you have ?

  • harman

    cant find knox in update ??? :o

  • Raymond Ortiz

    Can I do this using my AT&T SGH-I337 Im running I337UCEMK2 4.3?

  • DSMer1

    WORKED! I tried to install from internal storage but the option was not there so I moved the .zip to the external SD and followed the directions… worked perfectly. It did take about 10 minutes to install AND IT WIPED MY PHONE COMPLETELY! I had backed it up before this so I was not concerned.

  • Biola

    I downloaded and installed the apps,now my phone isn’t coming up again.what do I need to do?

  • asad

    can i updatre to stock 4.4 my device is running at&t factory 4.2.2 MF3 firmware please reply

  • ccapecchi

    I used to be 4.2.2 and managed to upgrade to 4.3 following yr tutorial steps, nevertheless when I tried updating to 4.4 I placed the .zip file to root directory and once in recovery mode it didn’t show up “apply update.zip” but apply update from cache, apply update from ADB, reboot device, and apply update from external card (I don’t have external card btw) WHAT SHOULD I DO?

  • Adrian Salazar

    work perfectlyy :D thanksss, follow all steps, first install the mk2 firmware and after install kit kat, rename the file .cfg to .zip, thanks :D

    • harman

      u find knox ? in update?

  • ME!

    THIS WORK PERFECT! i was on 4.2.2 S4 SGH-I337 and i am fully running 4.4.2 now! i will tell everybody here who is having issues, READ CAREFULLY!! the instructions are give to you for a reason

  • randy r

    I cant install the update it says error/sideload/zip

  • Moustafa Morsy

    My phone is running Android 4.3 MK2 build and I am getting E:verification failed error and this only formats and reboots my phone!!! :S Can you help ??

    • Raymond Ortiz

      is it rooted when it formats and boots up?

    • Shah

      Dude..It works perfectly which was mentioned in above step… only you need to download latest software from above link.. that’s it.. you will be running on 4.4.2 .

      Only genius can suggest above step.. hats of to you boss…!!!

  • john

    Follwed step by step all it did was reset my device and keep me on 4.3 and when I rebooted it it was rooted.

  • agustin

    i can’t find the line : apply update.zip

  • johnny

    Im new to all this. My question is that I have 4.2.2 firmware factory from at&t. Can I just install this update or do I need to do the 4.3 first?

    • http://www.theandroidsoul.com/ Kapil

      Install Android 4.3 first using the link for MK2 firmware in step 2.

      • Mohan

        Hi, Is it not at all possible to update 4.2.2 directly to 4.4.2 ??…

      • Dishant Shah

        Hi, Is it not possible to upgrade it firectly to 4.4.2

  • Marco Paulo

    Followed step by step and get the Kit Kat stable and fine.
    Now waiting for rooting to get the options to install languages not listed on AT&T version.
    I cant figure it out why AT&T do not include others languages, like portuguese, in this awsome device.
    Great job.
    Thanks.

  • Syed

    Hey, every time I try to install this it says verification failed. I’ve tried numerous times. I’m running 4.3 mk2. I used Odin to install this firmware. The phone has no recoveries and is not rooted. i tried doing it through AT&T software upgrade but all it said was that the software update was interrupted? Is there anyway I can install this through Odin?

  • khan

    iam on virgin i337m Canadian network.. will this work?

    • http://www.theandroidsoul.com/ Kapil

      Not sure. Don’t try.

      • khan

        Thanks, i already tried. Not working buddy!!!

  • kjuke

    I have i337ucuemk2 firmware. Been rooted and wanted to go back stock. This firmware is i337vcuemk2. Can this cause problems?

    • http://www.theandroidsoul.com/ Kapil

      Try without installing the vcuemk2. If it fails, then install the vcuemk2 and try then. Make necessary backups.

    • Raymond Ortiz

      Same here…

  • http://www.theandroidsoul.com/ Kapil

    Hello All,

    Guide updated with link to our own guide in step 2 to help you easily install the required Mk2 firmware, based on Android 4.3. Please install MK2 firmware first, linked in step 2, and then follow the guide. (Point 1 of guide also asks you to go to step 2 for installing MK2 first.)

    Hope it helps!

    • RDomke

      RDomke:
      Remember, Rename file to a ZIP, Imperative!

  • RDomke

    RDomke again: The update did not erase my SD card. All my contacts came back too. Did have to re-install a couple of WiFi connections from my kids houses. Other then that it all seems ok.
    RDomke@Hotmail.com

    • http://www.theandroidsoul.com/ Kapil

      Great!

  • Kofi Babone

    please how do i find the root folder? i tried and im lost

    • http://www.theandroidsoul.com/ Kapil

      The main folder. The storage itself in which all the folder and files are, the outermost, the parent of all folders, etc. etc. whatever you call it is your root folder. Phew! ‘nuf, right?

      • Kofi Babone

        yeah thats exactly where i put the file but i cant find it, i put it on the external card and i found the file, when i updated it didnt show, it only formatted my phone and made me to resign in with my google accounts,, checked the phone status and its still stuck on 4.2.2

        • http://www.theandroidsoul.com/ Kapil

          Upgrade to mk2 firmware first and then try it. Link is there in the guide above.

          • Kofi Babone

            please is there a way i could use odin to do that?

          • http://www.theandroidsoul.com/ Kapil

            The mk2 is in .tar.md5 file format, and it’s to be flashed with Odin only.

          • Kofi Babone

            hello sorry to bother you again. i tried to install the mk2 firmware and it bricked my phone, i got this message “system software not authorized by at&t” but i have managed to reboot to the stock android once again and i want to give the kitkat another shot, how do i go about it, i have managed to update my firmware to S4 SGH-I337 UCUAMDL

  • RDomke

    I’m 71, dumb as a rock, and it took me all of 4 min with the above instructions. I was coming from 4.4.2 mdl unofficial release. As I am typing the Google backups are re-installing my software. Seems like an easy upgrade with this information.
    Thanks to you all
    RDomke@Hotmail.com

    • http://www.theandroidsoul.com/ Kapil

      Really glad to hear that. Thanks!

      • Onka Bonka

        hey i tried it but it says E:verification failed and the phone reboots and starts up as if i did a factory reset

        • http://www.theandroidsoul.com/ Kapil

          Is your phone is running Android 4.3 MK2 build?

          • abaig

            Yes, the phone is running Android 4.3 MK2 build but I am getting E:verification failed error.

    • RDomke

      RDomke Again:
      I was coming from I337ucufmld not mdl. AND the upgrade did not take. I’m rebooting again to see if that will work , if not I will try the install again.

      • RDomke

        RDomke: Error in zip file (TO FAST FOR ME TO SEE)
        Going to ODIN back to mk2 then try again from there.

        • http://www.theandroidsoul.com/ Kapil

          Yes, that’s right thing to do. Let us know if it didn’t work for you on MK2.

      • RDomke

        RDomke again: TaaDaa
        When I got to mk2, all the google rebuild stuff kicked in. Then when that was finished I went to check for system updates and OTA is 417.66 and 80% done right now.
        So it comes down to the zip was a bust (for me), reverting to mk2 pulled it right in.
        I do believe the zip error was my 4.4.2 os not a file problem.
        UPdate just finished, good luck to you all.
        RDomke

        • http://www.theandroidsoul.com/ Kapil

          Cool. :)