Exclusive: I9505XXUEMI8 – Leaked Android 4.3 test firmware for Galaxy S4 (GT-I9505)

As you guys may know, Samsung takes some time to update its devices to the latest version of Android but always delivers the most stable and bug free build after a ton of R&D. It’s rumoured that Samsung will be releasing the Android 4.3 update for the Galaxy S4 sometime in October/November but we didn’t wanted you guys to wait that long, so we obtained a test firmware for all you Samsung fans out there.

Also, since HTC released Android 4.3 for the Developer Edition One, we just had to give some Android 4.3 love to the Galaxy S4 (GT-I9505) users. We would like to thank our insider because without our insider’s help we would not have been able to provide you folks with this firmware.
We have been testing this Android 4.3 test firmware since a few days now and can say that it’s really stable and the performance has received a significant boost, it’s much faster and lag free than Android 4.2.2. Samsung Knox and Samsung Wallet are present in this test firmware, Samsung Knox works like a charm but Samsung Wallet can’t be downloaded from Samsung servers at the moment. Also, there is a new Reading Mode which optimises the screen for reading, but only a few specific applications are able to use this feature, and there is a new improved keyboard as well. Most of the changes are under the hood, except a few minor UI changes here and there. Now the most interesting part, this firmware has improved colour reproduction of the display quite a bit and the text looks even sharper than before.

Keep in mind that Android 4.3 update is still under heavy development and Samsung may add more features before rolling out the official update itself.

Model: GT-I9505
Country: Open Europe
Version: Android 4.3
Changelist: 1715731
Build date: Fri, 20 Sep 2013 18:48:24 +0000
Product Code: OXA
Download: I9505XXUEMI8_I9505OXAEMI8_I9505XXUEMI8_OXA.zip

- This test firmware will NOT increase your binary counter NOR void your warranty.
- This test firmware is a pre-release firmware and not official from Samsung.
- We have fully tested this firmware and this firmware works perfectly as any other official firmware.

- Extract (unzip) the firmware file
- Download Odin3 v3.09 (From here or here)
- Extract Odin .ZIP file
- Open Odin3 v3.09
- Restart phone in download mode (Press and hold Home + Power + Volume down buttons)
- Connect phone and wait until you get a blue sign in Odin
- Add AP_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to AP
- Add BL_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar to BL
- Add CP_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to CP
- Add CSC_OXA_I9505OXAEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to CSC
- Make sure re-partition is NOT ticked
- Click start button, sit back and wait a few minutes.
- If you encounter any issues with the firmware (Any FC, Bootloop etc)
- Boot into recovery mode (Home+power+vol up)
- Then choose reboot and you should be good to go!



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  1. Nice. Thx Sammobile. Work fine .

  2. great work sammobile team !
    good job/review/changelog/screenshoots/info !
    we wait for test/leake N7100 4.3x firmware.

  3. What about the gt-i9500?!

  4. the 4.2.2 firmware has kernel version 3.4.5
    the 4.3 firmware however still runs on 3.4.0
    But i’m sure that this has it’s reasons. Perhaps it isn’t stable yet with newer kernel version

    • 3.4.0 is the kernel for GT-I9505 Version
      3.4.5 is the kernel for GT-I9500 Version

      • Ah ok. I only compared the phones in the video. Did not check the model. I assumed it was the same

    • My I9505 on most recent 4.2.2 has kernel version 3.4.0

  5. Can I install this on the Samsung S4 I337M version? I know that the 4.3 Google edition can be installed on it.

    So will this version work?


  6. Can I install this on the Samsung S4 I337M version? I know that the 4.3 Google edition can be installed on it.

    you can not install on I337M …
    be carefull !!

  8. At least,you will 100% loose WIFI , and maybe GSM/WCDMA connection,
    If you flashed i9005 firm into I337M.
    it is just a test firm with knox, you don’t know what security incloded,maybe knox will lock bootloader or somthing similer.

  9. Download link not working! Pls check the download link

  10. Wasn’t android 4.3 supposed to bring open gl es 3.0 support to the adreno 320? When I try to run the opengl es 3.0 benchmark in antutu it says ‘your device does not support open gl 3.0′. This is kinda weird because I’m also getting much higher antutu scores(28500-29500).
    I hope they bring opengl es 3.0 in the final 4.3 update.

  11. I’m a little confused as I’m currently using xxudmh8 so ky bootloaders jow locked so how can I flash this?

  12. can android 4.3 support on GT-i9500 samsung galaxy S4 malaysia version yet ?

  13. i9500 also exits… guys please ask our beloved insiders… to provide the i9500 firmware..

    • yes. I also have a GT-I 9500 an I also want this update.

  14. i9500 also exits… guys please ask our beloved insiders… to provide the i9500 firmware..

  15. who can we ask for the i9500 4.3 firmware?

  16. When you mean “Open Europe” can this be flashed on to a XEF France firmware i9505?

  17. oops i meant on a France I9505XXUBMGA i9505

    • yes. ou can install this firmware on every open 9505.

  18. Please be carefull!! If you flash this firmware you will start from scratch. all your data will be lost.

    but its running like a charme :)

    • Thank you for the reply. i have my data backed up on kies. Hope this leak brings good things to our i9505′s. :)

  19. Flashed this yesterday….Im amazed, its a new phone… run so smoth, the butter in my fridge is stuttering besides it..

    Yes you will loose all data, but a backup in kies 2.6 and a recover in kies3 will do the trick.

    Thanks Sammobile, i am truly greatfull. :)

    • Can’t a regular backup from Kies do the trick? sorry for being a noob. not really keen on these rooting kinda stuf. I just like stock firmwares. ;)

  20. damnnnnn, why all things are for i9505 !!!!!!!!!!!!!

  21. i wish there got a 4.3 android firmware for samsung S4 GT-i9500

  22. Very nice firmware but there is a big issue because WIFI seems out of order.
    Something to do ?
    Thanks from a french sammobile fan.

    • By the way i flash another time and wifi works, sounds good

  23. I expect that Samsung launches soon this version at the same time on our galaxy s3!! i’m tired of waiting…………

  24. I have added all 4 files as instructed but it keeps failing when pressing start any ideas

  25. If I flash this firmware over 4.2.2 MH6 with locked bootloader and Knox, is it possible to go back later to 4.2 (in case I don’t like something or if drains battery more)?

  26. I more thing… Do i add all of these in one go using Odin (PDA)? Or do i have to flash these one by one?

    AP_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to AP

    BL_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar to BL

    CP_I9505XXUEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to CP

    CSC_OXA_I9505OXAEMI8_1715731_REV06_user_low_ship_MULTI_CERT.tar.md5 to CSC

  27. no leaked version for s3:(

  28. if anybody install this soft please go to download mode and do it foto for use to see the knox counter is change to 0×1

    P.s I ask this because i see in this rom new bootloader and in movie knox app

  29. Hi Sammobile guys,

    Can you please have a look at changelist to see whether it has anything fix related to Talkback and Webview?

  30. KNOX not working.. “Your device is not authorized to enter Samsung KNOX mode” … My Firmware version is Official..Please helpppppppp

  31. Is battery life improved?

  32. nie dziala sklep google wywala blad serwera albo ze mina czas albo jeszcze inny blad. RPC:S-5:AEC.0 i nie da rady nic pobrac ani zaktualizowac.czekam na jakas stailniejsza wersje.

  33. works fine, I didnt need to do wipe/factory reset

  34. I don’t know what happened but I can restore previews firmware after installing this one. Anybody had the same problem? Is there a diferent method to it?

  35. All those who are wondering if you will be able to go back to the 4.2.2 firmware, well, i believe you can. I would recommend downloading the 4.2.2 firmware of your region from this website before proceeding to install the 4.3 test firmware. You should be able to go back to the 4.2.2 by simply flashing the 4.2.2 firmware of your region with odin.

    BTW, HTC is apparently not planning to release the 4.3 update for the one x. This is really sad considering the fact that it was their last years flagship phone. BAD HTC. At least Samsung has promised to update Galaxy S3, so all of you stop complaining!!!!!

    • I hope that someone tried to go back and that will share tip here.

  36. NO. you can’t revert back to 4.2.2. I already tested it. although running smoothly, YOU CAN’T GO BACK. ERROR and FAIL if reverted flash to lower FW. ;) I’m searching for workaround regarding this problem. :(

    • Hi, I’m wondering if this will work for my Philippines I9505 (Globe carrier). Will it work?

    • yeah me too i’m having this problem also..wheww maybe wifi and gps still on bug.

    • Have you tried wiping the device after downgrading??????

      I used to have an S2 and from my s2 experience I an telling you this. I did install the leaked 4.1.2 update for s2 and when I downgraded, it began to crash. So I rebooted the device to the stock recovery (vol up + home button + power key) and in the default recovery, I wiped the device. After turning it on, boom, everything seemed to work as if I had just bought the device. Worth a try.

      And BTW, I an not installing this leaked version because or is changing the modem of the phone

    • Did you flash back to 4.2.2 with odin 3.0.9? Because you would need an older version of odin to flash to 4.2.2

    • I am able to revert to 4.2.2. All you need to do is to flash the 4.2.2 firmware using Odin (both 3.0.7 or 3.0.9 works). The phone will not boot into system after flashing. You will need to remove the battery to off the phone. Thereafter, put back the battery and go the recovery mode by holding the “Home+Power+Vol Up” buttons at the same time. In recovery mode, select and apply wipe/factory reset and then reboot to system.

  37. Hi, does anyone know if this will work for my Philippines I9505 (Globe carrier)?

    • yeah it work im on globe too..but i cant revert back to 4.2?see my previous post

  38. how can I revert back to 4.2.2?..it fails on Odin when I flash 4.2.2..hmmmmm i guess wifi and gps got error on this leaked firmware, if i turn of wifi or gps and check on battery stat after awhile its still in a blue color it means active right?

  39. hey guys. mga pre. trapped tayo sa 4.3 as of now. no work around to revert it back to 4.2.2. hmm. and 0×1 ang KNOX WARRANTY ko meaning VOID. hassle. hahaha. pero working naman. (SORRY FOR USING FILIPINO LANGUAGE)


    • pano yan makita tol? kung void na ang knox warranty mo

      • Press mo sabay ang POWER+volume down + HOME, pag lumabas ang warning, press VOLUME UP. makikita mo dyan.

  40. I reverted it back to 4.2.2 without any problem…
    what i did:
    opened odin3 v 3.04
    added i9505 xxudmh5 to pda( this is germany version DBT..by the way i am from romania)
    pressed start.
    after like 5 mins odin said PASS
    before the phone booted up i entered recover mode by pressing vol up+power+home
    wiped data/factory settings and also cache
    after that phone booted up and TADAAAA everything working perfect. Sry for my english

    • But the bootloader never downgraded. pls check the bootloader if you have violated the KNOX warranty sir.



    • where did you get the XXUDMH5?in sammobile theres only XXUDMH6 for germany

      • It is open germany DBT wich is xxudmh5.

      • But anyway… there shouldn.t be any problem if u flash any other open firmware..

        • i tried to flash philippines firmware 4.2 it failed..

          • Mga kabayan,

            I9505 ko nka lock sa Globe, modem: I9505DXUBMG5 (Philippines)

            Tas nung pina network unlock ko sa mall, I found out nlang sa bahay na Germany na: I9505XXUAMDM

            Ok lang ba ito?

      • And you can only downgrade to same KNOX-BASE FIRMWARE. but normal and unloacked FW will be a failure. :(

        • Well i didn.t tryed out knox when i had 4.3 installed. Didn.t even download it.

          • KNOX is pre-installed in the latest stock firmware for Samsung Galaxy S4 I9505 (Leaked)

    • Thanks ! it also worked for me.

      i just have to add, that my stuck in SAMSUNG for about 6 min, then i shut it off, wiped data/factory settings and also cache and then restarted ok.

  41. I know. But u have to download some aditional MB(like 100+) and then u can start using it

    • yes, but if you KNOX WARRANTY IS VOID. then you can’t.

      Check your bootloader, pressing POWER+VOL UP+HOME then UP (DOWNLOADING MODE)

      0×0 = WARRANTY is INTACT
      0×1 = VOID!!!! :(

      • I do what youve said. Theres no Knox in there. Only i see is official, official, 0×30. San ang knox jan wala nmn nakalagay?

  42. NO Luck for my S4 I cannot downgrade to 4.2 I use different kinds of firmware regions still no luck I use Odin 3.04..

    • Try Odin 3.7

      • aka odin3 3.07 this should help downgrade :)

        • No luck. 4.3 I9505XXUEMI8 is lock.

        • Help po..

          Mga kabayan,

          I9505 ko nka lock sa Globe, modem: I9505DXUBMG5 (Philippines)

          Tas nung pina network unlock ko sa mall, I found out nlang sa bahay na Germany na: I9505XXUAMDM

          Ok lang ba ito?

          • wala yang problema… ako nga i’m using INDIA (INU). no problem at all.

    • Try wiping your device after downgrading. You cab wipe it with the stock recovery. Access it by pressing home button + vol up + power key. It might work

  43. Then try to do whataboutmarkanthony says. Go to download mode and check what he says

    • My KNOX is intact. HMMM i guess i have to wait for the Official one

      • Tol hindi ko makita ang 0×1 or 0×0. Pano to makita? Ano ang label na nkalagay?

        • Ito
          KNOX LOCK: 0×0
          KNOX WARRANTY: 0×0
          CSB: 0×30
          yan ang sa akin

          • Sa akin pareha tayo sa CSB at firmware pero walang knox lock and knox warranty na nakalagay

  44. Did u try to wipe everything before flashing?

  45. That was very irresponsible from their part leave out the fact that you can’t go back to most stock firmwares. I’ve been doing this for a long time and never had such issue, although I’ve never had to use warranty before, this is troubling.

  46. i lost sound …
    i cant dial or answer the call

    any one can help ?!?!?!

    • wipe and reinstall it should all work ive been running it all day and it has went absolute fine no issues at all screen resolution seems to be better , speed is nice too :) over all seems to be improved

  47. Can I install this firmware in my I9500??? If I do, I brick it??? Thanks.

    • Dont do it because you will brick your i9500.
      I9500 and i9505 are completly different so you shall wait samsung to release a version for our i9500

  48. Will my S4 i9505 fully work with the Samsung Galaxy Gear after I do this update?

  49. right ive installed this , was too rude not to give it a try and i will say since installing it is really really good seems to so far run very very smooth i have had no issues what so ever so if you do lose sound wifi etc then id say wipe system then reboot to download mode and reinstall , as for the thoughts on going back to 2.2 seems to work as long as you use odin 3 3.07 anything less aka 3,04 it will fail so 3.07. unsure if this manover would then bust your knox warranty and set it at 0×1 mine is on 0×1 sadly since i updated my device officialy and it failed screwed my phone up so i reinstalled the firmware i had been on before the update and i notice it has pushed me to the 0×1 absolute gutted as id like to have had knox set up on my device so if anyone knows how to resolve this then pplease elt me know however i am aware there is no current work around and i have contacted samsung for this as i am fuming that because of a failed software update that was official i suffer now hence why i have tried the 4.3 firmware either way my device wont have the protection that was promised :(

  50. Can someone post the change full change logs including camera function and hmp etc….?


    • Wow buddy. Calm down.You should have done your research. I know the octa variant sucks but the snapdragon one is kick ass.Which other company smartphone are you going to buy anyways??

      HTC! For the record, there are reports suggesting that the company might not update the one x which is there last year flagship!!!

      Sony? Probably for there waterproof feature. The rest of the phone is pretty much boring.

      Nokia? Hahaha don’t even think about it. Windows platform had way to less app in it’s app store.

      Apple? They release the same phone every year by increasing some minor things which I don’t even care about. New feature in iPhone 5s is fingerprint scanner and once you unlock the phone it’s again the same shit.

      Do you know what I mean

    • I own octacore s4 and 5 seconds to open contacts? not happening to me. I chose octa vs the lte quadcore variant because, hspa+ in octa is enough for me… who needs 40mbps of speed in their mobile phone?

  52. everything work better and faster, except the fact that shotcuts from lockscreen is missing

  53. Hi guys . So , i installed the firmware last night and it’s almost perfect . The performance increase is very visible in games (gta vice city runs almost perfectly on max settings), but also through the touchwiz . I noticed a small lag(not really lag , but imperfection) when i pull the notification bar . Till now , i had only one crash when i was watching a video recorder with the phone (screen turned green e i needed to take out the baterry) , but anyway it’s great . Respect for the insider :).

  54. Hello I already downloaded the firmware from hotfile many times and when i unzip it there is an error. Do you have another page where to download the 4.3 for galaxy s4? Thank you and best regards

    • if there’s an error everytime you unzip the file, your downloaded file is incomplete or unfinished. try again.

  55. After 3 days on test, my sgs4 i9505 it’s ok. This frw is good. I dont have crash or lags.

  56. All those experiencing problems after downgrading try this.

    Have you tried wiping the device after downgrading??????

    I used to have an S2 and from my s2 experience I an telling you this. I did install the leaked 4.1.2 update for s2 and when I downgraded, it began to crash. So I rebooted the device to the stock recovery (vol up + home button + power key) and in the default recovery, I wiped the device. After turning it on, boom, everything seemed to work as if I had just bought the device. Worth a try.

    And BTW, I an not installing this leaked version because or is changing the modem of the phone

  57. Hallo, is necessary to flash in Odin BL,CP and CSC or can only flash AP. tnx for answer

  58. Incase the above method failed, then i am sad to tell you that there is a long process that is probably going take more than an hour to complete the downgrade process.

    First of all, remember that when you upgraded to 4.3, you also upgraded stuff like BL(bootloader), AP(formerly known as pda which can be downloaded from this site), CP (modem of the phone) and finally CSC. So, the trick is to download the BL of 4.2.2, AP(PDA) of your region, CP of your region or your carrier, and the CSC of your region. Trust me, finding these stuff can be hard depending on the popularity of your region and the popularity of your carrier.

    Hopefully, you were able to download all the above mentioned stuff. Now go ahead and flash these things with odin. Also note that wiping the device with the stock recovery ( vol up + home Key + Power button) might be necessary. While flashing with odin, DO NOT CHECK ANYTHING APART FROM AUTO REBOOT AND F. RESET TIME.


    • Had to repost all these details because the website hid my comments that had links in them.

    • Do you have complete separate 4.2.2 BL,AP,CP, and CSC of your region? so that we can test it. All old version has only 1 file of .tar.md5 if you can compare it with this MI8 leaked version using 7zip viewer, you can see a very similar files, but the problem is on how to separate all the files from older firmware to compose as BL,AP,CP, and CS to be use in downgrading process.

      It’s so complicated. :(

      • dude the old version that you can download from this website is suitable for the PA of Odin. you have to separately download the other files that i have mentioned in my comment. these files are not included in the PA even if after extracting it. so it is a long process.

  59. Good day,

    did anyone notice wifi stat on battery? seems like it is always ON! [BLUE COLORED LINE], even if the toggle is set to OFF. anyone?

    • I already have that post about WIFI even the GPS sometimes..

  60. Please update and the GT-I 9500. It’s not fair. GT-I 9505 gets the update and the GT-I 9500 not. Please hurry up with the update for GT-I 9500.

  61. I have noticed that sometimes my phone slows a little more than usual with this leak, plus new text messages do not show which contact has sent them. I just see ‘new message received’. I know this is a leak, just wondering if anyone is having the same issues? Cannot wait for the final release :) thanks sammobile!

    • Lol r u serious? Its just disabled go to message settings to change it..

  62. Only problem is that the email client will not open attached files documents, images. Any other OK.

  63. Work awsome its only that Kies 3 has no chance to upgrade its says the kerneln its wrong, but the auto update inside of the phone looks like its works.

  64. ive been trying this as a daily driver for a few days and im impressed , my battery lasts longer than before so for me i`ll stick to this :)

  65. Used this for for about 5 days days and overall it’s it’s a very very smooth leak.
    But I have have very noticeable shorter battery life. Used to able to have around 5hrs of on screen time watching YouTube on wifi now I can only get about 3hrs

  66. Can anyone confirm whether 4.3 solves the Bluetooth problem? When using headset during a call everything fine until about 8 mins into call and then seems to drop the Bluetooth connection and transfers the call back to the phone. I then have to:
    1) touch the headset ‘button’ in the ‘in call menu’ as though I want to transfer the call myself back to the phone
    2) touch again to transfer back to headset

    Everything ok then for another 8 mins when you have to do 1 and 2 again

  67. just want to thanks gogolak for the information, because as many others i was having problem to revert to 4.2.2

    i just have to add, that my stuck in SAMSUNG for about 6 min, then i shut it off, wiped data/factory settings and also cache and then restarted ok.

    quote gogolak :
    I reverted it back to 4.2.2 without any problem…
    what i did:
    opened odin3 v 3.04
    added i9505 xxudmh5 to pda( this is germany version DBT..by the way i am from romania)
    pressed start.
    after like 5 mins odin said PASS
    before the phone booted up i entered recover mode by pressing vol up+power+home
    wiped data/factory settings and also cache
    after that phone booted up and TADAAAA everything working perfect. Sry for my english

    • here,
      after reverting:

      system status: oficial
      knox kernel lock: 0×0
      nox warranty void: 0×0
      csb-config-lsb: 0×30
      write protection: Enable

  68. funciona para el galaxy 4 sgh-i337m o filtraran una para esa vercion a 4.3

  69. Only setback is that you will not be able to root the phone after installing this leaked version of 4.3 as the security software blocks SuperSU from running. Therefore, you will not be able to use all rooted software.

    • I was able to root after the 4.3 upgrade but it does tick the Knox warranty counter to 0×1.

      • I also find a way to root but not all rooted software works. Anyway, i have fall back to 4.2.2 using Wanamlite ROM.

  70. i have install the 4.3 firmware yesterday, everything works perfect. BUT there is no difference from 4.2.2 . so people keep 4.2 it is excatly the same . it is not faster, it doesnt have better colours bullshits.

    • Right, nothing fantastic on the 4.3 and the WiFi connection is very unstable.

  71. My galaxy s4, is running android 4.3 really smooth, however it has random crashes and ends in bootloot, I know for sure that some apps will crash the device and force it into a bootloop.
    But there’s one weird thing, that is i can get it out of the bootloop by putting it into a charge and boot, that when the battery is 90% full.
    I’ve tried to downgrade it but it has not been succesfull so far, I can turn the device on but the WIFI can’t be use, it won’t turn on, any advice ? I’m using the Nordic version rom.
    If any1 know where to download bootloader/rom/Kernel/css for nordic galaxy s4, please post a link.

    • I’ve found a solution to downgrade, instead of downloading stock rom around the web, I used KIES to downgrade and it worked liked a charm, everything is running like b4 i installed 4.3, but unfortunally flashing 4.3 rom does give me KNOX 0×1.

      • What procedure, please? Where can I find this option in KIES?

    • Turn off ur phone. Enter recovery mode by holding home+power+volume up buttons. Wipe data/factory settings wipe cache and then reboot. If wifi still not working try to reflash the 4.3 rom

  72. To downgrade using KIES you have to do following.

    and follow instructions, that KIES is showing. You will find all the necessary information to enter, they are located in a Label under the battery ( you’ll have to remove the battery.)

    2. Turn the phone off
    3. Put in it download mode ( Volume down+home+power key > press volume up)

    That’s the procedure, I hope it’s explained so it’s understandable.

  73. Now i got another problem, while a downgrade is succesfull, my sg4 randomly restart upon open apps, and at every restart it will end in a boot loop, the only thing that makes it boot normally is connect a charget to it and it will boot without any problem. The battery is never below 50% but why kind of error is this? I can’t google the answere

    • I have this problem too. Very anoying

      • Guys. Power off ur device. Enter recovery by holding power+home+volume up buttons. Wipe data/factory settings wipe cache and the reboot ur phone

        • Its not that easy. I have tried that lot of times but its not working

        • Gogolak I’ve done all what you mentioned above, I’ve also restore the firmware in Kies twice, I’ve tried restore firmware >empty cache>reset phone, that doesn’t help the restart and bootloop. So I tried reset empty everything and then restore. That doesn’t work either, today I’ve send it to service, because it keep reboot on almost every app, and the reboot ends in a bootloop, only by connecting to a charger then it will start normally

  74. Hi to all . I mentioned in an earlier post my experience with 4.3 . Today i downgraded to 4.2.2 (udmh6) using odin 3.07 and It worked perfect , even the knox counter is still 0×0 . I just followed the instructions , flashed and the reset from recovery menu . I think That a new version of odin is required to make this downgrade possible .

    • Can you please elaborate a bit. I have been trying to downgrade by oddins and kies but no success.

      • Sure ! I downloaded the last firmware for my country , i did a factory reset while the phone was still 4.3 , downloaded odin 3.07 , put the phone in Download mode , installed the new firmware , did another Factory reset and evrything worked perfect . Maybe you should try to uninstall kies and Download the drivers from the internet , because kies might get in the way of odin and make It Crash .

  75. Hi Guys,

    Has somebody any tip for my problem. I’ve a Hungarian GT-9505 simlock free device with XEH firmware. I updated this OXA firmware to my device and then my product code of my device had changed GT2I9505ZWADTB from GT2I9505ZWAXEH. So my product code had changed. After update when my device had booted into recovery I saw that “Multi CSC applied – DBT” or something.

    Will my device’s product code change to XEH when I’ll flash the XEH Official 4.3 firmware? Of course when it will be out.


  76. I wonder if this version will get updates via OTA or not, cause it’s just a test firmware?

    Any hints for that`?

  77. Battery life sucks here… Any suggestions?

  78. Will it work on the Galaxy S4 M919???

  79. hi can someone plz tell me if i can install this on my s4.
    i have rooted my device and im running a stock 4.3 google edition android version at the moment. but i want to go back to samsung touchviz rom desperately cause atm the baterry life is terrible.

    i have rooted my device.
    can i still install this version .

    • yes u can install any stock roms(even this 4.3 one) but u will lose all ur data and also u will lose ur root acces.

    • If you want warranty It is a good ideea to see triangle away . It will reset your binary counter back to 0 to get the warranty back .

  80. While I don’t recommend installing such firmware onto your Galaxy S4 or Galaxy Note 2, they are available. Those who wish to flash either build should do so with caution and back up their handsets beforehand.
    If you want to recover the data in your Android phone, just go to http://android-recovery.net/.

  81. Galaxy Gear works better with this ROM. Incoming calls now goes to phone as default. Weather works. And apps can be installed from gearmanager. Messages, email etc.. still doesnt work.

  82. Didn’t work on I will wait fot the official one

  83. Found buggy, lock screen shortcuts are not in the options…
    Will report more for bug…
    If anyone have solutions, kindly reply.

  84. Hello friends from all over,

    My I9505 was network locked to a single carrier here in the Philippines (Globe). Wanted to switch to another carrier as they offer better LTE services. Did just that earlier today by paying a cellphone technician in the mall to network unlock my device.

    When I got home, I researched the changed modem number on my phone, and found out that from the I9505DXUBMG5 Philippines version I originally had, I now have the I9505XXUAMDM Germany version.

    It got pretty laggy but a Factory Reset took care of that. Other than that, I wanted to know if this change is okay? Will I have problems updating my firmware or whatnot considering I’m in one country, while my phone is “running” on another?


    Kind regards,
    A Noob in Learning

    • yes it will run ok but i believe the pda will not match in future samsung updates and will push “Your device has been modified. Software updates are not available” to your device everytime you check for updates.

      So it’s either you revert your S4 to the original country firmware to get the official updates from KIES and Device “Update” Section.


      download the firmware here in SamMobile everytime they release updates if you want to retain the unlocked status of your phone.

      this is based on my experience when i accidentally installed different country firmware on my i9500.

  85. Hi,

    I flashed this firmware and i’ve had a couple a problems

    1)After flashing my device stopped booting at the pretty logo saying “Samsung” (a battery pull took care off that).

    2)I whas unable to login to my Google account because i have 2layer authentication enabled and this firmware removed all my apps including the google authenticator app (i whas able to recover my account) .

    3)Samsung Wallet says “cannot download now please try again later” every time i open that app what’s up with that ?.

    4)Is it normal that a firmware removes all of your apps and why is there no warning about that !!!!!!!!! ?


  86. Today I got my home back from the service center, they have replaced the battery which was the source to all the bootloops, and not the phone was not able to reboot.

  87. Hello, I have big problem. I can’t flash this ROM (or any other official). When ODIN flashing a “modem part”, flashing process fails everytime. I really don’t know what can I do now. I tried searching on Google, Xda-developers and here for last 5 hours and no solution. Can please anyone help me? Thank you very much.

  88. Hi,
    I have recently installed the test 4.3 jelly bean firmwire posted in Sam-mobile in my s4 i9505. Now the official firmwire has released.
    1. Did I get the official update via ota or kies?
    2. If not the how do I get the official update?

    When I installed the test firmwire all my data has lost. So now if I use the official update of 4.3 will my data be lost again??

    Thank you

  89. the the canadian variant exist sammobile please support this variant and release the leak of the 4.3 firmware please sammobile please

  90. is it possible for me to update in Cambodia?

  91. Please Anybody replay me that, is this firmware work on China/Master-copy/Mirror Fake S4? And how can i sure that S4 I9505 Is Original Samsung Product?

  92. I have problem my device s4 19505 I have put 4.3 firmware it cannot play any sound what can I do pleased reply

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