1. WPCentral Question's Avatar
    I'm thinking of purchasing a 635. I'm an AT&T customer. I know that some Lumia 635's now are being made with 1GB of RAM (rather than 512MB). But I don't know how (or even whether) I could get an unlocked unit for use on AT&T's network. The folks I have talked to at AT&T know nothing, and the support folks I have talked to a Microsoft know nothing.
    06-11-2015 02:51 PM
  2. Microsoftjunkie's Avatar
    Maybe call a MS store.

    http://forums.windowscentral.com/e?l...token=v9Ly_gAI



    Also, its called Lumia 638
    06-11-2015 02:57 PM
  3. Ebuka Allison's Avatar
    Maybe call a MS store.

    http://forums.windowscentral.com/e?l...token=E8BBn1uw



    Also, its called Lumia 638
    No. It's called the Lumia 635
    And here's your answer OP
    http://forums.windowscentral.com/e?l...token=YpR5jhKS

    "1GB available at Sprint, Boost Mobile and Virgin Mobile check SKU for either 1GB or 512MB"
    RumoredNow likes this.
    06-11-2015 02:58 PM
  4. rhapdog's Avatar
    My understanding is that the 1GB version is the CDMA bands and won't work properly on the AT&T network.

    If it did, I'd be trying to find a way to get it myself. Is there anyone that can verify the bands on it and if it could possibly support the AT&T network if unlocked?
    06-11-2015 04:56 PM
  5. xandros9's Avatar
    Maybe call a MS store.

    Lumia 638 - Specifications - Microsoft - India



    Also, its called Lumia 638
    Weirdly enough, there are some 635 models that DO have 1 GB of RAM.

    No. It's called the Lumia 635
    And here's your answer OP
    Nokia Lumia 635 - Specifications - Microsoft - USA

    "1GB available at Sprint, Boost Mobile and Virgin Mobile โ€“ check SKU for either 1GB or 512MB"
    Well, considering the 638 is the same on paper.

    My understanding is that the 1GB version is the CDMA bands and won't work properly on the AT&T network.

    If it did, I'd be trying to find a way to get it myself. Is there anyone that can verify the bands on it and if it could possibly support the AT&T network if unlocked?
    Well, your best bet from what I can see if importing such a model from overseas. But at that point, I'd just purchase a used Lumia 820 and call it a day.
    RumoredNow likes this.
    06-11-2015 09:39 PM

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