1. Firipu's Avatar
    Fairly simple question, but I cannot find definite information. Maybe I'm just looking in the wrong spots.

    Does the Luma 640 Dual sim support 3/4g in both simslots?

    What about the 640xl, 650 or 950(xl)? Does any of those phones support dual 3/4g sims?

    Thanks :)
    01-30-2017 09:31 PM
  2. xandros9's Avatar
    All those are locked to 2G on the secondary SIM, no getting around it.
    libra89 and Firipu like this.
    01-30-2017 09:54 PM
  3. Firipu's Avatar
    Thx. Was considering getting one, to use my work sim with a private data sim. Guess I won't be doing that then. Too bad :(
    01-31-2017 09:08 PM
  4. Nahk786's Avatar
    It does support 4G/3G on both of the SIM slots however only 1 of the either slots can be enabled for 4G/LTE while the other SIM would switch to only 2G network
    Wan Firas and AllanQuatermain like this.
    02-26-2017 08:10 AM
  5. sandeep chaudhary2's Avatar
    Is there anyone to help me,how to enable 4g in Lumia 640.It is not showing 4g in mobile and network selection and I had bought it second hand it is running on w10 os
    01-17-2018 06:17 AM
  6. sandeep chaudhary2's Avatar
    Is all Lumia 640 dual sim 4g enable?
    01-17-2018 10:43 PM

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