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04-27-2016 09:30 AM
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  1. SatanWantYou's Avatar
    Hey guys,i tested on my life if I can revert back,and I succed.Everything its worthing fine.I've revert because the battery life was 100% and showing me that is only for 19 hours,what a shame...
    I maded a little guide to help you.
    All programs you need its here.
    https://disk.yandex.ru/public/?hash=...wSplwl%2BDA%3D
    You need:
    -WP8 SMD binary USB Downloader Ver. 3.47.exe
    -GT-I8750OXXCMK2_R_SIGNED.csc(firmware/gdr3)
    -I8750XXCMK2_I8750XCMK2(firmware/gdr3)
    -SamsungUSBDriver.msi(install this on pc first)
    Than run WP8 SMD binary USB Downloader Ver. 3.47.exe as administrator and select like in this picture.
    I selected NEE because I heard that they getting faster updates then others.
    If you have any question I help you as I can,and if can not I hope somebody with much experience than me can help you.
    I share this with you because it was a succesufully flash and I think that i'm not the only ativ s user who wanna revert to gdr3 wp8.
    If I do something wrong someone correct me please,but I seem everthing its working fine on phone,like I first boot up it.
    And for anyone who don't know how to enter in download mode:
    Press and hold volume up + camera button and press power button until he vibrates and than RELEASE ONLY THE POWER BUTTON,and than connect the phone to pc.
    I'm NOT RESPONSABLE IF YOU DON'T DO THIS LIKE ME OR TEST IT ON ANOTHER DEVICE !(IT WILL BREAK YOUR DEVICE IF YOU'RE NOT AWARE)

    FOR PEOPLE WHO WANT TO FLASH OFFICIAL ATO WITH FIRMWARE PLEASE DOWNLOAD I8750XXBME1_I8750OXABME1.rar from that site/firmwares/gdr2.Flash it like the GDR3 ,then check for updates.Until you get 8.1

    WHO TRY THIS PLEASE COMMENT.
    Attached Thumbnails untitled.png  
    Last edited by SatanWantYou; 12-07-2014 at 04:07 AM.
    04-18-2014 07:38 AM
  2. peterfares's Avatar
    i8750 ONLY! Careful!
    04-18-2014 11:07 AM
  3. Tony_Offends_U's Avatar
    Nothing for SGH-T899M users?
    04-18-2014 10:54 PM
  4. pankaj981's Avatar
    I guess this process should work for the t899m users as well, the firmware needed would be different though, there might be a supported firmware on Sammobile's site
    04-18-2014 11:00 PM
  5. 7bft's Avatar
    Anyone tested this?
    I'm thinking about taking the plunge and test the upgrade on my Samsung Ativ S, but having a tested way back would be a definitive plus !!!
    04-19-2014 03:11 AM
  6. Matthew Becker1's Avatar
    I wouldn't try this on a T899M.
    04-19-2014 08:28 AM
  7. tbonenga's Avatar
    I wouldn't want too!!! My T899M is AMAZING NOW!!! I've got 45GB on my SD card. My home screen looks fantastic. No change at all in battery life. I honestly feel I've got one of the Best W8 devices now. The only downside is games show up under apps now. Besides that it totally Smokes W8.
    04-19-2014 11:06 AM
  8. pankaj981's Avatar
    I wouldn't want too!!! My T899M is AMAZING NOW!!! I've got 45GB on my SD card. My home screen looks fantastic. No change at all in battery life. I honestly feel I've got one of the Best W8 devices now. The only downside is games show up under apps now. Besides that it totally Smokes W8.
    Don't want to hijack the thread or did want to start a new one per se but quick question...I am considering buying a t899m model (currently have a Lumia 810 on WP8.1 with zero bugs, nothing wrong with it just wanted to try an Ativ) as my backup phone... are there currently any major bugs with the t899m model with WP 8.1 that's stopping you to use it (from your comment it doesn't look like it but just wanted to confirm)?
    04-20-2014 04:19 AM
  9. Dario Sacchi's Avatar
    Just tested and works!!!
    I'm Dario from Italy, my ativ s with dp8.1 installed worked fine, especially internet browser, but camera issue was very noisy.
    Also I heard about problems for nokia users upgrading from dp8.1 to cyan, so I decided to flash. A little panic after firmware download, phone reboot and locked on "Samsung mobile" black screen, I was supposed to have bricked the phone and telling myself why did you flash a phone working fine? But pressing again power button phone reboot and first configuration starts.
    Now I hope Samsung release soon an official upgrade to 8.1, new os is very goog.
    Thanks a lot to SWY for your guide and links to download file!!!!!
    07-20-2014 08:22 AM
  10. SatanWantYou's Avatar
    I'm glad i've help you ^^
    08-03-2014 12:47 AM
  11. finbaar's Avatar
    Thanks OP this worked for me in my attempt to get 8.1 update 1 to install. I am a veteran of much Android modding and this whole process for the Ativ S was very easy.
    08-09-2014 03:31 PM
  12. Mankku's Avatar
    Took the risk and flashed to GRD3 WP 8.0; thank you very much for the instructions! I didnt like to wait for DP WP8.1 Update 1 for my Ativ S, as it wouldnt install properly. Waiting patiently for the official 8.1 for Ativ S.
    08-10-2014 03:03 AM
  13. finbaar's Avatar
    Took the risk and flashed to GRD3 WP 8.0; thank you very much for the instructions! I didnt like to wait for DP WP8.1 Update 1 for my Ativ S, as it wouldnt install properly. Waiting patiently for the official 8.1 for Ativ S.
    Update installed perfectly after this. You have more patience than me going back to the very limited 8.0. There is no way I could do that.
    Mankku likes this.
    08-11-2014 04:52 PM
  14. lupeders's Avatar
    Update installed perfectly after this. You have more patience than me going back to the very limited 8.0. There is no way I could do that.
    WIch update do you have finbaar? update 1? or just 8.1?
    08-13-2014 07:47 AM
  15. lupeders's Avatar
    Downgrade, then upgrad agani seems to work :-) Now I have 8.1 update
    08-13-2014 04:40 PM
  16. danielm298's Avatar
    will this work on the S NEO?
    08-18-2014 01:22 PM
  17. maki01's Avatar
    will this work on the S NEO?
    No,only for Ativ S,because the roms is only for Ativ S
    08-18-2014 04:24 PM
  18. nicolas_as's Avatar
    hi there i would like to know if you have a csc file witch contains ZTO
    suraponz likes this.
    08-23-2014 12:55 AM
  19. finbaar's Avatar
    WIch update do you have finbaar? update 1? or just 8.1?
    Sorry for the delay. I have 8.1 update1.
    08-23-2014 04:25 PM
  20. Mitch67100's Avatar
    Hello,
    I have an error when i execute SmasungUSBDriver.msi error code 2503 and 2502.
    Could you tell me what can i do.

    Thank's

    That's work ok i just disabled the verify driver by windows 8 and revert back work's also.

    Thank's a lot
    Last edited by Mitch67100; 08-26-2014 at 07:05 AM.
    08-24-2014 09:48 AM
  21. Mitch67100's Avatar
    Hello,
    Thank's a lot. Now i want to load 8.1 without update 1. is it possible?
    08-26-2014 07:54 AM
  22. SatanWantYou's Avatar
    I guess yes because are two updates 8.1 and GDR1
    08-27-2014 01:29 PM
  23. finbaar's Avatar
    I have tried to revert back to WP8 from 8.1 update 1 but it seems this method does not work. On two separate windows 7 machines (one of which I used to go back from 98.1 previously) the device is not seen in download mode. The computer thinks it is a mass storage device connected.

    Has anyone any ideas or have they downgraded from 8.1 update 1 to 8?
    09-08-2014 02:13 PM
  24. anon(8316658)'s Avatar
    I have tried to revert back to WP8 from 8.1 update 1 but it seems this method does not work. On two separate windows 7 machines (one of which I used to go back from 98.1 previously) the device is not seen in download mode. The computer thinks it is a mass storage device connected.

    Has anyone any ideas or have they downgraded from 8.1 update 1 to 8?
    you are doing it wrong
    follow the instructions step by step.. install Samsung drivers etc.
    I did it on WIN 8.1 and everything worked fine
    09-09-2014 05:57 AM
  25. finbaar's Avatar
    Look pal, I am not "doing it wrong ". I have already flashed back from 8.1 to 8 in order to get update 1. The problem is that the computer that I used to do this does not see the phone.

    It looks like I will have to sell it with the preview on it instead of being on proper firmware.

    Posted via the Windows Phone Central App for Android
    09-09-2014 04:12 PM
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