01-08-2015 01:16 PM
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  1. vitor.rf's Avatar
    what is the link to look all those up? I used to have it about 2 years ago but forgot the name of it.
    Nokia Product Code Listing for Care Suite Download - (Nokia 1320 Added) - GSM-Forum

    Alternatively, I just google any product code, and this post would be the first or second link.
    01-21-2014 11:33 AM
  2. Glenmore Vinoya's Avatar
    Assuming the Wikipedia page on Lumia 925 is right, both AT&T and T'mo are just the same phone with different branding.

    Here are the unbranded firmwares I've found:

    059T8S0 RM-893 VAR LTA MV GREY
    059S6H3 RM-893 VAR LTA AV BLACK
    059T883 RM-893 VAR LTA MV WHITE
    059S8X2 RM-893 GLOBAL WHITE SWAP
    059S8X5 RM-893 GLOBAL BLACK SWAP
    059S8X4 RM-893 GLOBAL GREY SWAP

    On Tmo's, I tried GLOBAL WHITE SWAP, worked perfectly, but there was no LTE under option on cellular but I can't say if it would work on LTE or not (I'm in Brazil).
    Another user bought Negri's 925, which comes with 059T883 VAR LTA MV WHITE and shows "L" on speed connection on T'mo network.

    So: AT&T's, Tmo's and Negri's are all RM-893, which leads us to think debranding/rebranding wouldn't affect any of the phones capabilites other than software/carrier limited (like wifi calling).

    Also, it is important to note I've seen ATT users having problems flashing their device: It seems ATT found a way to block this. Be aware you might not be able to flash a second time (as I've read)
    059T883 is a Mexican carrier firmware. I have not gone downtown yet so I can't see if there is LTE connection yet. I'll try to find out in a bit. So far on H+ I'm only getting ~2.5Mbps on speed test. I also can't update to see if black is available at this time. It keeps giving me error. I'll see what I can do with the wifi calling.
    01-21-2014 05:29 PM
  3. BigFuzzyArchon's Avatar
    I was able to flash my firmware using my own product code to the latest AT&T Black and it even enabled wifi tethering!

    Assuming the Wikipedia page on Lumia 925 is right, both AT&T and T'mo are just the same phone with different branding.

    Here are the unbranded firmwares I've found:

    059T8S0 RM-893 VAR LTA MV GREY
    059S6H3 RM-893 VAR LTA AV BLACK
    059T883 RM-893 VAR LTA MV WHITE
    059S8X2 RM-893 GLOBAL WHITE SWAP
    059S8X5 RM-893 GLOBAL BLACK SWAP
    059S8X4 RM-893 GLOBAL GREY SWAP

    On Tmo's, I tried GLOBAL WHITE SWAP, worked perfectly, but there was no LTE under option on cellular but I can't say if it would work on LTE or not (I'm in Brazil).
    Another user bought Negri's 925, which comes with 059T883 VAR LTA MV WHITE and shows "L" on speed connection on T'mo network.

    So: AT&T's, Tmo's and Negri's are all RM-893, which leads us to think debranding/rebranding wouldn't affect any of the phones capabilites other than software/carrier limited (like wifi calling).

    Also, it is important to note I've seen ATT users having problems flashing their device: It seems ATT found a way to block this. Be aware you might not be able to flash a second time (as I've read)
    vitor.rf likes this.
    01-21-2014 05:51 PM
  4. vitor.rf's Avatar
    059T883 is a Mexican carrier firmware. I have not gone downtown yet so I can't see if there is LTE connection yet. I'll try to find out in a bit. So far on H+ I'm only getting ~2.5Mbps on speed test. I also can't update to see if black is available at this time. It keeps giving me error. I'll see what I can do with the wifi calling.
    I'm confused, you said yourself it's unbranded: http://forums.windowscentral.com/nok...tm#post2311248
    And that's what Negri Electronic's have for product code on unbranded 925.

    I was able to flash my firmware using my own product code to the latest AT&T Black and it even enabled wifi tethering!
    Awesome! Maybe it's some isolated issues or something else, as the error they get is pretty commmon.
    Tethering was enabled on my tmo after a firmware update to (not black)
    Glenmore Vinoya likes this.
    01-21-2014 06:43 PM
  5. Glenmore Vinoya's Avatar
    I'm confused, you said yourself it's unbranded: http://forums.windowscentral.com/nok...tm#post2311248
    And that's what Negri Electronic's have for product code on unbranded 925.



    Awesome! Maybe it's some isolated issues or something else, as the error they get is pretty commmon.
    Tethering was enabled on my tmo after a firmware update to (not black)
    Yes, I meant unbranded as in no carrier branding. The firmware itself though defaults to Mexico with Spanish language so I assumed it was a firmware for Mexican carriers. As far as tethering, I can't enable it since I'm on unlimited 4G, so I can't really test this.
    vitor.rf likes this.
    01-21-2014 08:05 PM
  6. vitor.rf's Avatar
    Yes, I meant unbranded as in no carrier branding. The firmware itself though defaults to Mexico with Spanish language so I assumed it was a firmware for Mexican carriers. As far as tethering, I can't enable it since I'm on unlimited 4G, so I can't really test this.
    I see. I would've assumed the same.
    01-21-2014 08:17 PM
  7. ssapre's Avatar
    If anybody wants my AT&T Lumia 925 Black product code is 059T0B7
    I got the same, tried with couple of ROMs, no luck so far !!! It gets stuck on ffu error.
    01-21-2014 09:48 PM
  8. vkcham van's Avatar
    Hi, does anyone know if this product code "059S5C4 RM-893 VAR US T-MOBILE SL WHITE" is for usa t-mobile lumia 925? I download this firmware and i still can't find the 925 in the open product section of ncs. I see other model like the rm-821 (nokia lumia 920) but not the 925. Could anyone assist me on this. thanks
    01-26-2014 05:50 PM
  9. ssapre's Avatar
    Hi, does anyone know if this product code "059S5C4 RM-893 VAR US T-MOBILE SL WHITE" is for usa t-mobile lumia 925? I download this firmware and i still can't find the 925 in the open product section of ncs. I see other model like the rm-821 (nokia lumia 920) but not the 925. Could anyone assist me on this. thanks
    your download creates another folder parallel to 821 folder. You have to open that 925 folder, move all those files to 821 folder and then NCS shows you that variant.
    01-27-2014 02:47 PM
  10. Saed Shawwa's Avatar
    so after all of your experiences flashing roms left and right ? any good working firmware for T-Mobile Lumia 925 product code 059S5C4? I have LTE enabled , my device is sim locked , I simply don't give a damn about wireless calling , and also any good link to NCS software with username and password
    and will debranding the phone will bypass carriers updates and grab update directly from Microsoft/nokia ? will it also sim unlock the device ?
    thanks
    02-17-2014 01:21 AM
  11. vitor.rf's Avatar
    so after all of your experiences flashing roms left and right ? any good working firmware for T-Mobile Lumia 925 product code 059S5C4? I have LTE enabled , my device is sim locked , I simply don't give a damn about wireless calling , and also any good link to NCS software with username and password
    and will debranding the phone will bypass carriers updates and grab update directly from Microsoft/nokia ? will it also sim unlock the device ?
    thanks
    a user reported to have flashed 059T883 into T-Mo's L925. As far as I know, everything works perfectly, but tethering (not sure on this)

    Debranding will bypass carrier updates, yes.

    The sim lock is NOT related to OS or Firmware, thus, flashing it will not unlock or lock the device.
    02-17-2014 08:35 PM
  12. slotti's Avatar
    Ok, so I actually managed to download the latest T-Mobile firmware from NSU (no pushed by T-Mob yet, hoping for black on it). Download went well, but, my NSU tells my that my phone RM-893 is not supported.
    Anybody any idea? I checked for updates on my NSU but there seemed to be none. I have NSU version 3.0.0 (2012.51.4) running.
    Any help is appreciated.
    02-19-2014 12:10 AM
  13. carguy303's Avatar
    so after all of your experiences flashing roms left and right ? any good working firmware for T-Mobile Lumia 925 product code 059S5C4? I have LTE enabled , my device is sim locked , I simply don't give a damn about wireless calling , and also any good link to NCS software with username and password
    and will debranding the phone will bypass carriers updates and grab update directly from Microsoft/nokia ? will it also sim unlock the device ?
    thanks
    I used the UK rom. Worked fantastically. Except for tethering
    02-19-2014 12:15 AM
  14. Saed Shawwa's Avatar
    not having tethering is an issue for me , but thanks for the tip!
    02-19-2014 08:23 PM
  15. carguy303's Avatar
    I use tether-x instead of the internet sharing to bypass T-Mobiles restriction on the amount of data used
    02-20-2014 04:08 AM
  16. Glenmore Vinoya's Avatar
    T-Mobile Black is not out for OTA update, but if you are keen to get it, you can use the Nokia Updater Tool version 4.1.0 to get it.
    02-23-2014 02:18 AM
  17. thaguy's Avatar
    so after 7 pages no body confirm flashing a 32GB Euro device to get LTE band in north america is a hardware limitation or a software limitation.
    08-29-2014 08:09 AM
  18. pLUSpISTOL's Avatar
    Thanks for the link on the second page to download a working version of Nokia Care Suite and obviously the guide in the opening post.

    Couldn't get it to work on a laptop last night running 8.1 Update 1 x64 due to some kind of drivers/device identification problem.
    Tried on my main dev laptop today, same OS and x64 as above really but this time it did work with no problems.

    Also I downloaded and flashed 059S916 CV GB unbranded ROM and it does give you the option of 4G if you go to Settings > Mobile+SIM > then tap SIM settings you should be presented with a toggle switch. This is on a formerly Vodafone 32GB Lumia 925 which is unlocked and I also get the 4G option on other networks with different SIMs.
    09-25-2014 08:55 AM
  19. Draskghellion's Avatar
    What does it mean the "Global Swap" ROM ?? I have been looking for it but i haven't found any information about it, just sites to "download it".
    01-08-2015 01:16 PM
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