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  1. juan6996's Avatar
    I wrote the guide on how to do this on the 920. It was great because it removed carrier branding, included data sense, gave updates faster, and gave me free tethering. My 1020 is coming next week, and I'm wondering if this is also possible on the 1020, maybe with a Rogers ROM, as they use the same frequencies. If no one has done it yet, I guess I'll be writing another guide soon.
    Cheers.
    Last edited by juan6996; 10-11-2013 at 08:23 PM.
    palandri likes this.
    10-11-2013 07:13 PM
  2. Jor El's Avatar
    i have tried to flash it with every rom i could find, but it will not flash.
    juan6996 likes this.
    10-11-2013 11:11 PM
  3. kabel_mk's Avatar
    I've tried every method/tutorial that worked older models than L1020. It is failing on the signature check and is not letting to flash firmwares from different product codes. Hopefully you can figure out which part of the firmware is triggering the blockage.
    juan6996 likes this.
    10-12-2013 04:21 AM
  4. John20212's Avatar
    Do you have a guide for the ATT Lumia 520? I would love to flash it with international ROM to unlock all the features ATT has blocked.
    10-12-2013 05:15 AM
  5. frank ha's Avatar
    A question to who has tried flashing different rom and failed, has your 1020 been unlocked yet?
    10-12-2013 05:31 AM
  6. juan6996's Avatar
    A question to who has tried flashing different rom and failed, has your 1020 been unlocked yet?
    I don't think that SIM-unlock has anything to do with flashing.
    10-12-2013 05:49 AM
  7. juan6996's Avatar
    I've tried every method/tutorial that worked older models than L1020. It is failing on the signature check and is not letting to flash firmwares from different product codes. Hopefully you can figure out which part of the firmware is triggering the blockage.
    well, for the 920 I had to rename some files on the firmware, and flash a pre-GDR1 ROM, and do an OTA update, before I could flash the final unbranded ROM. There's gotta be a way, I just have to find it now...
    10-12-2013 05:52 AM
  8. juan6996's Avatar
    Do you have a guide for the ATT Lumia 520? I would love to flash it with international ROM to unlock all the features ATT has blocked.
    sorry, I don't own that phone. Check the 520 forums!
    10-12-2013 05:53 AM
  9. Jor El's Avatar
    well, for the 920 I had to rename some files on the firmware, and flash a pre-GDR1 ROM, and do an OTA update, before I could flash the final unbranded ROM. There's gotta be a way, I just have to find it now...
    well good luck, i think i have narrowed it down to either the software version; or something in the ffu is blocking it.
    juan6996 likes this.
    10-12-2013 02:08 PM
  10. kabel_mk's Avatar
    well, for the 920 I had to rename some files on the firmware, and flash a pre-GDR1 ROM, and do an OTA update, before I could flash the final unbranded ROM. There's gotta be a way, I just have to find it now...
    I've tried to change any reference of the Rogers firmware product code with ATT's product code using hex editor, but then i got error in NCS that the signature of the firmware doesn't match.
    I've tried every method/tutorial that worked older models than L1020. It is failing on the signature check and is not letting to flash firmwares from different product codes. Hopefully you can figure out which part of the firmware is triggering the blockage.
    juan6996 likes this.
    10-13-2013 06:29 PM
  11. juan6996's Avatar
    I've tried to change any reference of the Rogers firmware product code with ATT's product code using hex editor, but then i got error in NCS that the signature of the firmware doesn't match.
    For the 920, all I had to do was delete the Rogers info from the name. I didn't have to replace it with ATT's codes. Here's my 920 tutorial if it helps: http://forums.windowscentral.com/nok...-features.html

    By the way, could you tell me the ATT and Rogers variant Lumia 1020 product codes? I can't seem to find them...
    kabel_mk likes this.
    10-13-2013 07:33 PM
  12. kabel_mk's Avatar
    For the 920, all I had to do was delete the Rogers info from the name. I didn't have to replace it with ATT's codes. Here's my 920 tutorial if it helps: http://forums.windowscentral.com/nok...-features.html

    By the way, could you tell me the ATT and Rogers variant Lumia 1020 product codes? I can't seem to find them...
    Here are the ATT's product codes:
    059T019 RM-877 VAR NAM US ATT SL YELLOW
    059T013 RM-877 VAR NAM US ATT SL WHITE
    059S9T1 RM-877 VAR NAM US ATT SL BLACK
    And the Rogers product code is 059T1V9
    10-13-2013 08:27 PM
  13. juan6996's Avatar
    Has anyone on att updated to GDR3 Dev Preview yet? If so, do you have data sense and att branding?
    10-14-2013 01:44 PM
  14. unstoppablekem's Avatar
    Has anyone on att updated to GDR3 Dev Preview yet? If so, do you have data sense and att branding?
    I'm downloading it now. I will let you know after it is done. I have a 920 on AT&T, BTW.

    Sent from my Nexus 4 using WPCentral Forums mobile app
    juan6996 likes this.
    10-14-2013 01:47 PM
  15. Blacklac's Avatar
    Has anyone on att updated to GDR3 Dev Preview yet? If so, do you have data sense and att branding?
    still branded, no data sense. This is just a small update. It doesn't appear to replace the entire older OS.

    I posted before I read the whole thread. I only did OTA.
    juan6996 likes this.
    10-14-2013 01:47 PM
  16. unstoppablekem's Avatar
    still branded, no data sense. This is just a small update. It doesn't appear to replace the entire older OS.

    I posted before I read the whole thread. I only did OTA.
    You beat me to it. Yep, sad no data sense. :(
    10-14-2013 02:31 PM
  17. Jor El's Avatar
    damn i just updated, i was hoping this would be a full flash
    10-14-2013 03:33 PM
  18. cnicklo's Avatar
    Hi Juan6996,
    First of all, thank you for your guide to flashing the 920. I never thanked you but used it successfully and was so happy not to wait for AT&T to get around to updating the phone. I flashed to the French ROM, and it worked perfectly for me.

    I've just upgraded to the 1020 and am eagerly waiting to hear about your future successes in flashing it. Keep us posted.

    Thanks for your help and dedication and those you're working with to discover the path forward.

    Chris
    juan6996 likes this.
    10-19-2013 09:39 PM
  19. juan6996's Avatar
    Hi Juan6996,
    First of all, thank you for your guide to flashing the 920. I never thanked you but used it successfully and was so happy not to wait for AT&T to get around to updating the phone. I flashed to the French ROM, and it worked perfectly for me.

    I've just upgraded to the 1020 and am eagerly waiting to hear about your future successes in flashing it. Keep us posted.

    Thanks for your help and dedication and those you're working with to discover the path forward.

    Chris
    You're welcome. I'm happy to share my discoveries with other people.

    Honestly, with the release of the developer/enthusiast preview program, and Update 3 Preview, I find it hard to justify looking for a way to un brand my phone.

    This is because: 1) only things to gain from it are no ATT logo and data sense, for which you can just use the myATT app. 2) no one has any sort of experience or advise that would make looking for the needle in the haystack any easier, and the methods for the 920 don't work. 3) I don't want to accidentally brick my phone, as I wouldn't be able to purchase another one. 4) Even if I find a way, I won't know if it works on att's network, if I can flash back to the att ROM, or if features like picture messages or tethering will work

    Hopefully you understand. If in the future the only way to upgrade to WP8.1 or final GDR3 is by flashing, I will risk my phone to find a way to flash it.

    Cheers.
    10-20-2013 08:27 AM
  20. Ali akbar Dehghani's Avatar
    Hi,All
    please see this screenshut,What is wrong?
    Is there another way to download the firmware?
    Who can send me link dl?with Email or share a link ?
    my 1020 is ((059S9T1 RM-877 VAR NAM US ATT SL BLACK)) ((Software Version 3045.0000.1325.0001)) .
    i want update to : ((059T3M3 RM-877 LIGHT SWAP ENGINE GLOBAL))
    changing product code.059S9T1 TO 059T3M3.
    I do want to take the risk anyway.
    What do you think? Is it possible?
    if you could send it(firmware product code:059T3M3) to me, I'll do it., And I announced the result.
    Thanks to all.


    lumia-1020.png
    Last edited by Ali akbar Dehghani; 10-27-2013 at 12:13 PM. Reason: Add attach
    KarlzZ likes this.
    10-27-2013 12:10 PM
  21. Harshal Gunde's Avatar
    I have been trying to get this to work with all the steps, but when I am trying to flash the Rogers ROM on an ATT device it always gives me an error: Platform ID is different from the Device Platform ID. Can anyone tell me how to overcome this error. Need this desparately as I am in Canada and want to get AWS spectrum to work.
    10-27-2013 08:57 PM
  22. cao0215's Avatar
    Here are the ATT's product codes:

    And the Rogers product code is 059T1V9
    do u have an telus product code ?thanks
    10-27-2013 11:04 PM
  23. Ali akbar Dehghani's Avatar
    Operator AT & T, does not allow you to change your product.
    Images are illustrative:
    059S9T1 RM-877 VAR NAM US ATT SL BLACK TO 059T3M3 RM-877 LIGHT SWAP ENGINE GLOBAL
    10-29-2013-1-41-13-am.png
    10-29-2013 02:57 AM
  24. Ricardo Gonzalez Medina's Avatar
    I've tried all rogers and global firmwares and I get the ffu message...I tried RM-877 Firmwares on a RM-877 phone so I guess att came up with a way of not letting us flash the device :< I just spent 500 bucks on a used 1020 and Im very dissapointed at this.. And no Im not a newbie I have flashed other lumia devices and yes the phone is unlocked.

    firmwares.jpg
    10-29-2013 11:30 PM
  25. Harshal Gunde's Avatar
    any updates yet.
    10-31-2013 06:35 AM
57 123

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