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  1. jfa1's Avatar
    If this works, that will be awesome.

    I don't use Qi so might prefer an AT&T over my 1520.3. Basically then its a trade off between 32GB and having a US warranty Since I put all files on SD and just apps on the phone, I think 16GB might be enough. And if not, isn't there a 32 GB AT&T 1520?
    its only in black and only on line from att or amzon
    02-25-2015 06:27 AM
  2. AR2186's Avatar
    its only in black and only on line from att or amzon
    You can also put apps on the SD card without any problems
    02-25-2015 09:24 AM
  3. aleunge's Avatar
    Incredible hack and news! Thanks OP!

    Can anyone confirm this still works after Denim update? About to get an ATT version for AWS 3G (Wind) use but worry they patched the hack. Thanks guys!
    02-26-2015 02:06 PM
  4. AR2186's Avatar
    Incredible hack and news! Thanks OP!

    Can anyone confirm this still works after Denim update? About to get an ATT version for AWS 3G (Wind) use but worry they patched the hack. Thanks guys!
    Will try it tonight when I get home unless someone else could be nice enough go try it out for us
    02-26-2015 06:37 PM
  5. beyondcr's Avatar
    So I am new to the forums, I have been looking for awhile for a good windows phone with all the features I was able to track down a 1520.3 for $399 used, or I can get a used At&t 1520 in mint condition for $329. Do we feel confident the settings work, or should I be safe and go with a 1520.3?
    02-26-2015 07:30 PM
  6. aleunge's Avatar
    Yo beyondcr, prior to the Denim update, the ATT version has been proven to work on 3G/3.5G AWS. So it would function technically like the 1520.3 (minus some capacity for your on board storage for most models, Qi). If you're ok with the ATT firmware update schedules though (with software you're covered with the Preview for Developers program), you're getting about the same thing either way... actually the ATT version already got Denim today but a lot of the CV/factory unlocked versions have not. But that's out of the ordinary...

    I'm not affiliated with the seller and have not try the listing myself, but the good old bay has a "daily deal" on right now for $299 ATT 1520... many colors! (search for 281349181295)

    Anyhooooo, hopefully someone can confirm the hack still works after the fw update mega thanks!
    beyondcr and Dr_8820 like this.
    02-26-2015 07:46 PM
  7. Dr_8820's Avatar
    This hack had been proven to work. The only difference is with the 1520.3, you get 32gb of storage and wireless charging built in, whereas the AT&T model is only 16gb unless you can find the rare 32gb version, but no wireless charging.

    Edit: I hard reset my 1520 because the denim update wouldn't download but I did this hack before it happened, the hack was still there .

    Sent from my SM-N900T using Tapatalk
    aleunge and beyondcr like this.
    02-26-2015 07:49 PM
  8. aleunge's Avatar
    So dr, that hack actually changes something that remains even after a hard reset??? Wow. That's tasty!
    beyondcr likes this.
    02-26-2015 08:15 PM
  9. beyondcr's Avatar
    Aleunge, Thanks for the heads up, going to grab one now, I assume it will not be to terribly difficult to unlock the phone.
    02-26-2015 08:25 PM
  10. AR2186's Avatar
    Aleunge, Thanks for the heads up, going to grab one now, I assume it will not be to terribly difficult to unlock the phone.
    Works fine still. AT&T is compelled to unlock any phone that was paid in full and isn't reported stolen. Just go to the unlock request page and say you were not an ATT customer and provide your email address should have unlock in 2 days
    RumoredNow, Dr_8820 and beyondcr like this.
    02-26-2015 10:39 PM
  11. RumoredNow's Avatar
    I concur... I recently unlocked two devices that were GoPhones (an ATT owned mvno) via the ATT unlock portal. https://www.att.com/deviceunlock/#/

    I am not an ATT customer and have not been. These were not even main-line ATT phones (although GoPhones do get the ATT badge). One had been on the ATT network previously, the other had never been activated. Both got their unlock codes. More here: http://forums.windowscentral.com/t/3...t-edition.html
    beyondcr, aleunge and snakeg like this.
    02-27-2015 08:39 AM
  12. aleunge's Avatar
    Just wanted to confirm that my ATT 1520 with Denim was indeed able to apply this hack. And like dr_8820 said, even after a hard reset, the setting sticks! WIND/MOBILICITY/TMO support forever (hopefully)!

    Signal strength for AWS HSPA+ on the ATT version is about the same as my 1520.3 (maybe just a small tad tiny bit weaker) so I'm assuming the antenna hardware is quite close if not the same. Thank you again OP and anyone who contributed. You are awesome.
    RumoredNow, Dr_8820 and beyondcr like this.
    02-27-2015 01:19 PM
  13. snakeg's Avatar
    guys i have rm938 i want to update to denim can i flash rm940 and then re enable the lte bands?
    02-27-2015 10:37 PM
  14. RumoredNow's Avatar
    guys i have rm938 i want to update to denim can i flash rm940 and then re enable the lte bands?
    This thread is about the 3G Band 4... H+ on the 1700/2100 pairing... Not LTE.

    Field Test menu is what this thread depends upon. Field Test is accessible on an RM-940... Field Test is NOT accessible on RM-938. Cross flashing to other variants is never recommended and there is NO guarantee that Field Test will get enabled on your RM-938 if you do this thing. There is no guarantee you will not bork your RM-938 if you do this thing.

    I'd rather wait patiently for Official Denim than risk my device.
    snakeg likes this.
    02-28-2015 08:06 AM
  15. dwest3784's Avatar
    this is what I got...wp_ss_20150228_0001.jpg
    RumoredNow and beyondcr like this.
    02-28-2015 08:06 PM
  16. RumoredNow's Avatar
    ^^^ I assume this is after the Denim update on an RM-940?

    The Field Test does show a valid UARFCN number for Band 4 AWS (3G on the 1700/2100 pairing).

    capture.jpg
    Krieg O Rator and beyondcr like this.
    03-01-2015 02:01 AM
  17. Dr_8820's Avatar
    I think this thread should be a sticky....๐Ÿ˜Š
    RumoredNow, aleunge and beyondcr like this.
    03-02-2015 08:55 PM
  18. AR2186's Avatar
    I think this thread should be a sticky....
    I'd prefer it not to be, as the last thing we want to do is get the attention of AT&T and have them force Microsoft to lock down Field Test Mode. It's better to leave the thread in the forums for people to find when they are deliberately searching for AT&T 1520 on T-Mobile or something like that. If you guys have suggestions regarding a better title to make discoverability easier, let me know as I believe I can change the title
    Dr_8820 likes this.
    03-04-2015 01:02 PM
  19. Dr_8820's Avatar
    I can confirm that this hack can survive a hard reset, but, and as a fellow XDA member, I can respect your decision. I just feel that we could save some people some money who wants the 1520 but can't afford the 1520.3. ๐Ÿ˜Š

    Sent from my SM-N900T using Tapatalk
    beyondcr likes this.
    03-04-2015 08:50 PM
  20. AR2186's Avatar
    I can confirm that this hack can survive a hard reset, but, and as a fellow XDA member, I can respect your decision. I just feel that we could save some people some money who wants the 1520 but can't afford the 1520.3. ๐Ÿ˜Š

    Sent from my SM-N900T using Tapatalk
    Yeah I know. Every thread I've seen regarding the 1520.3 vs 1520.2 (rm-940) I have referred to this thread and said consider getting this instead
    beyondcr and Dr_8820 like this.
    03-05-2015 06:51 AM
  21. beyondcr's Avatar
    I just wanted to confirm and thank everyone for their help I have my 1520.2 running on T-Mobile hitting 60Mbps down and 12.6 up, time to lay my s5 to rest.
    HeyCori likes this.
    03-05-2015 11:12 AM
  22. AR2186's Avatar
    I just wanted to confirm and thank everyone for their help I have my 1520.2 running on T-Mobile hitting 60Mbps down and 12.6 up, time to lay my s5 to rest.
    Sounds like you're on their LTE network at the moment, but glad your phone is now more compatible with T-Mobile than it was
    beyondcr likes this.
    03-05-2015 11:51 AM
  23. ElronTheElder's Avatar
    Just a minor point that has rattled around in my head.
    Don't consider this a "hack", in the slipshod sense. If anything consider the disabled band a hack.
    The hardware was always there; The phone was made to have this band active.
    This was an "unnatural" limitation of the hardware purely for business reasons.
    So kudos to AR2186 for the procedure. Calling it a hack doesn't do it justice.
    Although I don't use it with my AT&T mvno, I still admire the technique.
    RumoredNow and beyondcr like this.
    03-05-2015 02:22 PM
  24. Dr_8820's Avatar
    Don't consider this a "hack", in the slipshod sense. If anything consider the disabled band a hack.
    I didn't want to hi-jack this beautiful thread, however, you have to "hack" (old school saying) the settings in order to make this work.


    Sent from my SM-N900T using Tapatalk
    03-08-2015 08:04 PM
  25. beyondcr's Avatar
    Signal strength for AWS HSPA+ on the ATT version is about the same as my 1520.3 (maybe just a small tad tiny bit weaker) so I'm assuming the antenna hardware is quite close if not the same.
    Thought... what if we find antenna cable/hardware for the 1520.3 and swap whats in the 1520.2 , anyone think it will give us the same reception as the 1520.3?
    03-09-2015 02:23 PM
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