1. Windows Central Question's Avatar
    Hi,

    I purchased a Nokia Lumia 625 in India. The details are as below:

    Name: Windows Phone
    Model: Nokia Lumia 625
    Software: Windows Phone 8.1 Update

    OS Version: 8.10.14234.375
    Firmware Revision Number: 3058.50000.1424.0004
    Hardware Revision Number: 3.0.0.0
    Radio software version: 3.2.28072.7
    Chip SOC version: 8930
    Screen Resolution: 480x800

    I am taking an AT&T connection in the States, but unfortunately it is NOT supported by the phone. But the AT&T SIM Card DOES work in another MotoG phone.

    Quick support appreciated. Would be glad to provide more info if required.

    Regards,
    Satya
    pureview_lvr likes this.
    04-10-2016 06:12 PM
  2. Skulls138's Avatar
    If the phone doesn't support the AT&T bands, I really don't believe there is anything you can do..
    04-10-2016 06:34 PM
  3. RumoredNow's Avatar
    Would be glad to provide more info if required.

    In Settings > Extras & Info what does it say for "Manufacturer Name" and for "Mobile Operator?"


    If you need additional help or have more questions or details to share, please join the site so you can reply in this thread. See this link for instructions on how to join Windows Central.
    04-10-2016 06:52 PM
  4. SatyaS's Avatar
    @ RumoredNow - Manufacturer Name - RM-941_im_india_204
    Mobile Operator - 000-IN

    Please let me know if it helps.
    Last edited by SatyaS; 04-10-2016 at 08:02 PM.
    RumoredNow likes this.
    04-10-2016 07:47 PM
  5. SatyaS's Avatar
    @ Skulls138 - Do you intend to recommend user to switch from Windows to another in such case?
    04-10-2016 08:01 PM
  6. TechFreak1's Avatar
    The band listings for the Indian Variant of the 625 are:


    • GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
    • GSM max data speed DL: EGPRS 236.8 kbps
    • GSM max data speed UL: EGPRS 236.8 kbps
    • WCDMA network: Band 1 (2100 MHz), Band 5 (850 MHz), Band 8 (900 MHz)
    • WCDMA max data speed DL: 42.2 Mbps (Cat 24)
    • WCDMA max data speed UL: 5.76 Mbps (Cat 6)
    • LTE FDD network: Band 3 (1800 MHz), Band 7 (2600 MHz), Band 20 (800MHz)


    The band listings for the US (635):


    • GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
    • GSM max data speed DL: EGPRS 296.0 kbps
    • GSM max data speed UL: EGPRS 236.8 kbps
    • WCDMA network5: Band 5 (850 MHz), Band 1 (2100 MHz), Band 2 (1900 MHz), Band 4 (1700/2100 MHz)
    • WCDMA max data speed DL: 42.2 Mbps (Cat 24)
    • WCDMA max data speed UL: 5.76 Mbps (Cat 6)
    • LTE FDD network3: Band 5 (850MHz), Band 17 (700MHz), Band 2 (1900 MHz), Band 7 (2600 MHz), Band 4 (1700/2100 MHz)
    • LTE max data speed DL: 100 Mbps (Cat 3)
    • LTE max data speed UL: 50 Mbps (Cat 3)
    • CDMA network bands4: BC0 (850 MHz), BC1 (1900 MHz), BC10 (800 MHz)



    So when you say not supported by the phone can you please elaborate?
    04-10-2016 08:01 PM
  7. RumoredNow's Avatar
    @ RumoredNow - Manufacturer Name - RM-941_im_india_204
    Mobile Operator - 000-IN

    Please let me know if it helps.
    So TechFreak1 beat me to it... Your 625 is incompatible with AT&T for anything other than 2G. The MotoG probably has a broader radio including more bands for world travel... At the time of the 625's manufacture Nokia was really focused on region specific radios and pumping out a lot of variants based on this.

    If you are going to be in the US long and want a Windows Phone to run on AT&T, you could go to Best Buy or Walmart and get a GoPhone Lumia 640 for only $30 USD.

    I have one here, I'm in Field Test looking at it.
    GSM quad band which is the world standard
    3G Bands 1 (2100) / 2 (1900) / 4 (US 1700) / 5 (US 850)
    LTE Bands 2 / 4 / 5 / 7 / 17 / 28

    In India, Band 1 (2100) is most common and I think that the 640 would work fine for you back home for 3G/H+ (I'm making the assumption you are visiting the US). The LTE is incompatible at this time for India, but I believe they will be rolling out the common Western standards of FDD Bands like 2 and 4 and moving away from Far East style TDD Band 40...

    It might be worth investing the $30, but remove the GoPhone SIM before powering on the phone and get it unlocked from AT&T via their web portal before using it. Unlocks come really quickly... In about 2 days or less for most cases.

    https://www.att.com/deviceunlock/#/

    You do not have to be an ATT customer to get this unlock. See this thread: http://forums.windowscentral.com/t/3...t-edition.html
    pureview_lvr and TechFreak1 like this.
    04-10-2016 10:38 PM
  8. Skulls138's Avatar
    @ Skulls138 - Do you intend to recommend user to switch from Windows to another in such case?
    I wouldn't switch OS's because of a phone not working in another country, no. That's just how some models are, even after unlocking. It's the phone band's itself, not the OS it runs.
    04-10-2016 11:29 PM

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