1. cmsp's Avatar
    I've searched the forum but I can't find an answer.
    I want a dual SIM Key2, but I also need VoLTE. I'm wondering if anyone is using a dual sim model in the US, and can confirm that VoLTE works, on T-Mobile or on any other US carrier.

    12-12-18 04:21 PM
  2. Bob80220's Avatar
    I can confirm VoLTE is not available with AT&T... 😓

    12-12-18 04:29 PM
  3. cmsp's Avatar
    I can confirm VoLTE is not available with AT&T...

    Thanks for the confirmation!
    Hoping anyone on T-Mobile could chime in!
    12-12-18 04:55 PM
  4. jelp2's Avatar
    VoLTE works on mine but I don't have a dual sim. I also don't have wifi calling working.
    12-12-18 05:07 PM
  5. Ment's Avatar
    the issue with T-mobile and VoLTE is validation with E-911 emergency service. It's doubtful that OEMs would think to work with Tmobile USA to validate international models for E-911, maybe Samsung/Apple would be the exception.
    12-12-18 06:52 PM
  6. fop518's Avatar
    it may work on the dual-sim keytwo. haven't gotten much confirmation. the dual Sim Keyone wouldn't work as they didn't have the write IMS login information hard-coded in their firmware. I've heard the keytwo might.
    12-13-18 12:52 PM
  7. portplayer's Avatar
    12-24-18 08:00 PM
  8. Dennis Loxton's Avatar
    thanks. how is general TMO in your area? Cricket/ATT have had a huge decline in quality throughout many states I cover.
    01-01-19 09:56 AM
  9. BEEBEEBEEBEE's Avatar
    For what it's worth I'm using a dual sim key2 on T-Mobile US and both sims show "Voice over LTE" as active under IMS settings.
    01-08-19 03:57 PM

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