1. Thor640XL's Avatar
    Hello. I cant seem to figure out how to turn on 4G on my 640XL
    The only thing i can find in the connections settings is 2G and 3G

    Does the 640XL have 2 different models, were one is without LTE/4G and one is with?

    Hope For fast reply - Thor
    07-13-2015 08:31 AM
  2. Harrie-S's Avatar
    There are 7 versions

    1) 640 XL single-SIM (no LTE)
    - source: Microsoft Lumia 640 XL - Smartphones - Microsoft - Global
    - model number: RM-1066 (source: nokiapoweruser.com)

    2) 640 XL dual-SIM (no LTE)
    - source: Microsoft Lumia 640 XL Dual SIM - Smartphones - Microsoft - Global
    - model number: RM-1067 (nokiapoweruser.com)

    3) 640 XL single-SIM LTE
    - source: Microsoft Lumia 640 XL LTE - Smartphones - Microsoft - Global
    - RM-1062 does not support USA LTE bands (unverified)
    - RM-1064 does support USA LTE bands (verified)
    - model numbers: RM-1062 , RM-1063 (USA ATT), RM-1064 (nokiapoweruser.com)

    4) 640 XL dual-SIM LTE
    - source: Microsoft Lumia 640 XL LTE Dual SIM - Smartphones - Microsoft - Global
    - model numbers: RM-1065 , RM-1096 (both versions verified to work with USA LTE bands)
    - for ATT USA, visual voicemail does not seem to work for either RM-1065 or RM-1096

    See
    http://forums.windowscentral.com/lum...-versions.html
    mark233 likes this.
    07-13-2015 08:53 AM
  3. anon(9140902)'s Avatar
    07-13-2015 08:56 AM
  4. Thor640XL's Avatar
    Wow!
    Thanks there i got my answer.

    Why on earth will they make a phone without LTE?
    07-13-2015 09:35 AM
  5. libra89's Avatar
    Wow!
    Thanks there i got my answer.

    Why on earth will they make a phone without LTE?
    Some markets might not have LTE so making a phone with it might not work out well.
    anon(9140902) likes this.
    07-13-2015 10:43 AM
  6. Woodman1914's Avatar
    Wow!
    Thanks there i got my answer.

    Why on earth will they make a phone without LTE?
    Cheaper.
    07-13-2015 01:14 PM

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