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  1. iknowsingh's Avatar
    I can verify that having to revert off of the Dev Preview to GDR3 (via the xda method listed above) then activating properly on GDR3 then doing normal Sprint/Samsung-sanctioned updates will get things going perfect. You'll have to do the previous firmware update before the current one which seems to be bundled with Sprint's 8.1 update.

    I can also validate that hard resetting once you're on the official Sprint 8.1 update is ok and the phone will properly download Sprint's provisioning so you'll be able to do MMS and everything. I did that first thing after I got the Sprint 8.1 update. My phone now runs better than it ever has before. Sprint and Samsung seems to have streamlined things perfectly.
    AgentDelta likes this.
    12-07-2014 07:19 PM
  2. icthusman1's Avatar
    Getting a bit irritated. Still waiting for the official update and firmware. I am running the DP. Microsoft said you would still get firmware updates when they are release, so I don't get why it won't come through.

    I am thinking at this point about doing the revert and going through the whole upgrade process. Hoping it is not too painful.
    12-08-2014 11:47 AM
  3. Skippy07's Avatar
    It's sounding like we need to flash back to stock 8.0 to get the official 8.1 update.
    What are the pitfalls to doing this?
    What get's wiped out that needs to be backed up (pics/vids not on micro SD card, text message history, e-mail account setups, etc)?
    I assume you loose all your WiFi connections and they all have to be setup again? Same for Bluetooth?
    Home screen layout is lost?
    Do you to re-register the phone with Sprint's network?
    What else?

    -Skippy
    12-08-2014 12:55 PM
  4. icthusman1's Avatar
    I flashed my phone using the SPH-I800 rom I found on XDA. My phone no longer gets 4G and does not show Sprint in the cellular & sim settings. Benito Sifuentes can you provide the link to the rom you used?
    12-08-2014 03:47 PM
  5. Benito Sifuentes's Avatar
    I flashed my phone using the SPH-I800 rom I found on XDA. My phone no longer gets 4G and does not show Sprint in the cellular & sim settings. Benito Sifuentes can you provide the link to the rom you used?
    https://onedrive.live.com/redir?resi...t=folder%2cexe
    Yeah buddy these are the three files I used for my flash back.. ensure if you on windows 8.1 or 8 to allow unsigned drivers

    How to Disable Driver Signature Verification on 64-Bit Windows 8.1 (So That You Can Install Unsigned Drivers)
    unsigned drivers
    q21701, Rod Iron, pwgs and 2 others like this.
    12-08-2014 04:09 PM
  6. lotinib's Avatar
    It's sounding like we need to flash back to stock 8.0 to get the official 8.1 update.
    What are the pitfalls to doing this?
    What get's wiped out that needs to be backed up (pics/vids not on micro SD card, text message history, e-mail account setups, etc)?
    I assume you loose all your WiFi connections and they all have to be setup again? Same for Bluetooth?
    Home screen layout is lost?
    Do you to re-register the phone with Sprint's network?
    What else?

    -Skippy
    I agree - I thought Microsoft had said that we would get official firmware on top of DP when released by the carrier. Is there a reason we need to flash in this case? A little reluctant to do that and have something get messed up in the process, not to mention the inconvenience!
    12-08-2014 04:26 PM
  7. icthusman1's Avatar
    https://onedrive.live.com/redir?resi...t=folder%2cexe
    Yeah buddy these are the three files I used for my flash back.. ensure if you on windows 8.1 or 8 to allow unsigned drivers

    How to Disable Driver Signature Verification on 64-Bit Windows 8.1 (So That You Can Install Unsigned Drivers)
    unsigned drivers
    You da man!

    Although, I think those are the exact same files I used. I even did a reset after flashing and it still doesn't recognize it as being Sprint, I don't get 4G, I lost my roaming options, and there are no updates available!!!

    This is worse than not getting the newest firmware.

    I am downloading the files you uploaded and will try again just in case. Thanks.

    edit: I flashed again using the files you provided me with. Then I did a network PRL update. Now I show as being on Sprint and I am currently downloading some sort of update. Hopefully this is it.

    edit 2: For those wondering what you lose, I will try and update with what I notice once I make it back to 8.1.
    Last edited by icthusman1; 12-08-2014 at 05:57 PM.
    pwgs likes this.
    12-08-2014 05:18 PM
  8. Benito Sifuentes's Avatar
    You da man!

    Although, I think those are the exact same files I used. I even did a reset after flashing and it still doesn't recognize it as being Sprint, I don't get 4G, I lost my roaming options, and there are no updates available!!!

    This is worse than not getting the newest firmware.

    I am downloading the files you uploaded and will try again just in case. Thanks.

    edit: I flashed again using the files you provided me with. Then I did a network PRL update. Now I show as being on Sprint and I am currently downloading some sort of update. Hopefully this is it.

    edit 2: For those wondering what you lose, I will try and update with what I notice once I make it back to 8.1.
    So it work? if so good to hear
    12-08-2014 06:22 PM
  9. pwgs's Avatar
    Saved me... Thanks..works like a charm!



    Edit: after 24 hour running this process my phone is running perfect. I cannot find any issues and this has never happen with this phone before... Very Happy, Lots of work to restore it this way but worth it.

    Thanks to all!
    Last edited by pwgs; 12-10-2014 at 07:40 AM. Reason: update
    12-09-2014 10:18 AM
  10. kg4icg's Avatar
    Now you guys know why I reverted back when I saw what I saw.
    12-09-2014 10:19 AM
  11. icthusman1's Avatar
    So it work? if so good to hear
    Yup, it's working now.

    For those wondering about what you lose. Here is my process and what I wound up with.

    1. Manually ran phone backups in Settings
    2. Reflashed phone
    3. Did NOT restore from a backup when prompted
    4. Updated PRL to get it showing Sprint again
    5. Checked for updates and installed the multiple updates provided.
    6. Still didn't restore from backup
    7. Settings>About>Reset
      1. Don't erase SD card

    8. This time I did restore from backup. Boy did this take a long time. Make sure you have WiFi before you do the reset and restore. If you start the restore without connecting to WiFi you can't change your mind.


    Things I have seen be restored.
    • Text messages.
      • These take a while to restore so don't expect them to show up immediately.

    • Accounts
      • You have to enter passwords, otherwise they restore just fine

    • Apps
      • The system restores the apps and even recreates live tiles for almost all of them.
      • Some apps restore their data and others don't. I assume this is due to not all of them participating in the app backup system.
      • Any apps you have installed to your microSD card will be deleted by the phone as it thinks they are from another phone. They all need to be reinstalled.

    • Start Screen
      • Accent color did not restore but that is because I have the Theme backup turned off.
      • Live tiles almost all restored

    • Cortana
      • Everything seems to be there. Home, Work, Interests

    • I know there is more but I am drawing a blank right now


    I am in the process of applying the new DP updates now to get my phone back to where it was. I was pretty happy to see though that Sprint and Samsung not only provided 8.1 but also update 1 with live folders.

    ​If anyone wants me to check on whether something specific was lost go ahead and ask.
    Last edited by icthusman1; 12-10-2014 at 10:04 AM.
    Skippy07 and Sandy Goodman like this.
    12-09-2014 10:50 AM
  12. Skippy07's Avatar
    Nice icthusman1, thank you for the information. Now I have to decide if I want to take the time to go through all this.

    How's the phone running with the official update?

    -Skippy
    12-09-2014 11:09 AM
  13. icthusman1's Avatar
    Nice icthusman1, thank you for the information. Now I have to decide if I want to take the time to go through all this.

    How's the phone running with the official update?

    -Skippy
    Once it finished restoring everything it ran much smoother than it had been running. It's been a lot of work, but I think it might be worth it. I need some more time to play with it to know for sure though.

    I've been needing to do this for a long time anyways. The battery saver app stopped working for me 7 or 8 months ago and a hard reset was the only solution anyone had for it. I didn't want to do that since it would have mucked with the phone. Now battery saver is working, I can actually manage background apps again and see their usage.

    On another note, why for all that is good and holy is Facebook on my phone? I guess that must be baked in to the GDR3 rom? Well, it's gone now. Stupid Facebook.
    12-09-2014 11:35 AM
  14. RicaChero's Avatar
    I've been happy with it so far :)
    12-09-2014 11:49 AM
  15. Benito Sifuentes's Avatar
    Nice icthusman1, thank you for the information. Now I have to decide if I want to take the time to go through all this.

    How's the phone running with the official update?

    -Skippy
    Hey Skippy to add onto what icthusman1 has said about restoring.. There are a few things I am happy about flashing back to get the official.. I got my MMS and group text messaging back but the biggest one I have to say is if you reset your phone.. Your ringtone stays the same and doesn't go back to Over the Horizon!! :D
    12-09-2014 12:06 PM
  16. Skippy07's Avatar
    Once it finished restoring everything it ran much smoother than it had been running. It's been a lot of work, but I think it might be worth it. I need some more time to play with it to know for sure though.

    I've been needing to do this for a long time anyways. The battery saver app stopped working for me 7 or 8 months ago and a hard reset was the only solution anyone had for it. I didn't want to do that since it would have mucked with the phone. Now battery saver is working, I can actually manage background apps again and see their usage.

    On another note, why for all that is good and holy is Facebook on my phone? I guess that must be baked in to the GDR3 rom? Well, it's gone now. Stupid Facebook.
    Thanks again icthusman1. I've actually had no problems with the battery saver app and I'm still able to manage background apps and see usage. However, I'm still thinking it would be a good idea to revert back and get the official update.

    Oh, and like you, the first thing I'd do is delete Facebook!



    Hey Skippy to add onto what icthusman1 has said about restoring.. There are a few things I am happy about flashing back to get the official.. I got my MMS and group text messaging back but the biggest one I have to say is if you reset your phone.. Your ringtone stays the same and doesn't go back to Over the Horizon!! :D
    Thanks for the additional information, but I haven't lost my MMS and group text messaging and I don't have any problems with losing my ringtone.

    I've actually had zero issues with the developer preview.

    -Skippy
    12-09-2014 12:29 PM
  17. icthusman1's Avatar
    Hey Skippy to add onto what icthusman1 has said about restoring.. There are a few things I am happy about flashing back to get the official.. I got my MMS and group text messaging back but the biggest one I have to say is if you reset your phone.. Your ringtone stays the same and doesn't go back to Over the Horizon!! :D
    ​My ringtones got reset.
    12-09-2014 12:39 PM
  18. blueballet's Avatar
    My phone got it when sprint rolled it out this past Thursday. I got this past Thursday.
    12-09-2014 02:41 PM
  19. unrealreality's Avatar
    I can say that by following the instructions in this thread and using Benito's files (THANK YOU! Too many non-US files on XDA. good to know this was for Sprint US), and after a long while flashing, updating, updating, updating, downloading, restoring (which is still occuring), everything seems to be perfect!

    8.1 with live folders and full Sprint setup even after a hard reset. Thanks to everyone on here for the guides. It seems you DO need to flash it back from DP to stock to get it to take.
    Benito Sifuentes likes this.
    12-09-2014 11:35 PM
  20. Takigu's Avatar
    I can also confirm that flashing back to stock will get you the official 8.1 update. Also my phone is working better than ever
    12-11-2014 11:58 AM
  21. Skippy07's Avatar
    Well, last night I finally took the plunge and reverted back to the stock ROM and then received the official WP8.1 update. I used the files provided by Benito Sifuentes and followed the steps from icthusman1 and the steps for using the ROM flashing tool from the XDA Developers site. Everything went pretty smooth and I'm up and running now. Just to note for anyone looking to do this, it takes several hours to complete the whole process. So, make sure you have a good chunk of time set aside.

    Thank you everyone for your input and a special thanks to Benito Sifuentes and icthusman1 for the information you provided!

    -Skippy
    12-12-2014 01:06 PM
  22. icthusman1's Avatar
    Well, last night I finally took the plunge and reverted back to the stock ROM and then received the official WP8.1 update. I used the files provided by Benito Sifuentes and followed the steps from icthusman1 and the steps for using the ROM flashing tool from the XDA Developers site. Everything went pretty smooth and I'm up and running now. Just to note for anyone looking to do this, it takes several hours to complete the whole process. So, make sure you have a good chunk of time set aside.

    Thank you everyone for your input and a special thanks to Benito Sifuentes and icthusman1 for the information you provided!

    -Skippy
    I would add that you should do this in the evening so that your phone can install all your apps overnight. I have waaaaayyyyyy too many apps on my phone and it took many hours to get everything downloaded and installed.

    The flashing process only takes 5 - 10 minutes. Everything after that is downloading and installing the phone updates which can take a while. Then restoring data which takes a while. The final restore process though gets to be pretty hands off at the end and you can just let it do it's thing.
    12-12-2014 01:40 PM
  23. lotinib's Avatar
    This is probably a stupid question but I can't seem to find the instructions on search - how exactly do you "flash" the ROM using the files linked here? Thanks!!
    12-12-2014 07:13 PM
  24. Benito Sifuentes's Avatar
    This is probably a stupid question but I can't seem to find the instructions on search - how exactly do you "flash" the ROM using the files linked here? Thanks!!
    1. Download the flashtool + driver and Rom with CSC file that I have provided.
    2. Install the SamsungUSBDriver (note this may require you to disable driver signature for windows 8 and 8.1 I provided a link for this as well)
    3. Put your phone in download mode (Power off phone.. press and hold volume up and camera button and turn on the phone while holding the button combo it should turn on and say download mode)
    4. Start the flashtool and load the Rom (.WP8 file) and csc file into the flashtool. There will be two folders where you load these into. The first folder is the yellow folder where you load the Rom (.WP8 file) and the second is a green folder where you load the CSC file.
    5. Choose ALL under your DL Options for the flashtool.
    6. Plug in your phone to your PC
    7. Press start in the flashtool (note if you cannot press start, then something went wrong with the drivers, or the phones connection to the PC).

    The flashtime took me about 10 mins to do but like what icthusman1 says downloading all the updates and all your apps again is a pain in the *** lol.

    Also note that I am providing you these files and tutorial but I am not held responsible for any damage to your device. Follow the instructions and nothing should happen. If something comes up take a screenshot and upload it here so we can help you.
    q21701 likes this.
    12-13-2014 01:20 PM
  25. Rod Iron's Avatar
    OK so can somebody tell me how to get my phone out of "Download" mode?? Something went wrong and I'm tired of fooling with it tonight but I don't know how to get it back to normal.
    12-14-2014 05:27 AM
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