1. Sreejesh K's Avatar
    Hi,

    Can anyone tell me whether or not Lumia 650 dual sim supports voLTE? I searched online but did not find the answer.
    09-24-2016 02:28 AM
  2. abhishek singh21's Avatar
    Hi,

    Can anyone tell me whether or not Lumia 650 dual sim supports voLTE? I searched online but did not find the answer.
    no it doesn't,it only suppports LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
    09-24-2016 03:27 AM
  3. Sreejesh K's Avatar
    Okay, thanks. Even though I didn't find any reference to Lumia 650 online, I thought it does support voLTE because I read somewhere that Lumia 550 supports it. But I wanted to be sure about it. Hence, I posted the question in the forum. It's too bad that it doesn't support it. Anyway, thank you once again for the reply.
    09-24-2016 04:30 AM
  4. Chintan Gohel's Avatar
    Hi,

    Can anyone tell me whether or not Lumia 650 dual sim supports voLTE? I searched online but did not find the answer.
    according to this list: the frequency bands seem right for Volte: https://en.wikipedia.org/wiki/List_o...tworks_in_Asia
    09-25-2016 03:32 AM
  5. Sreejesh K's Avatar
    Do you mean to say that Lumia 650 supports VoLTE?
    09-25-2016 04:30 AM
  6. Chintan Gohel's Avatar
    Do you mean to say that Lumia 650 supports VoLTE?
    I mean to say that according to Abhishek, the 650 has bands 3 and 7 - those same bands in India support VoLTE
    Ultimately, it depends on the carrier - so I would suggest asking them on this
    TechFreak1 likes this.
    09-25-2016 04:55 AM
  7. Sreejesh K's Avatar
    All right! Thanks for the clarification.
    09-25-2016 05:11 AM
  8. abhishek singh21's Avatar
    It depends on your carrier if your carrier allows VoLTE and also whether your phone supports VoLTE, both LTE and VoLTE are very different and phones marked as LTE could have VoLTE if the software vendor provides an update to enable it.

    It is hugely depepndent on SOC too snapdragon 400+ supports VoLTE , while lumia 650 with SD 220 will likely wont.
    Chintan Gohel likes this.
    09-25-2016 11:17 PM
  9. Chintan Gohel's Avatar
    It depends on your carrier if your carrier allows VoLTE and also whether your phone supports VoLTE, both LTE and VoLTE are very different and phones marked as LTE could have VoLTE if the software vendor provides an update to enable it.

    It is hugely depepndent on SOC too snapdragon 400+ supports VoLTE , while lumia 650 with SD 220 will likely wont.
    that's the part I didn't know
    abhishek singh21 likes this.
    09-25-2016 11:30 PM
  10. abhishek singh21's Avatar
    Correction: After further analysis of VoLTE ompatibility with SOCs, i have compiled a list:
    It includes these Snapdragon chipsets:- 210, 400, 410, 415, 425, 430, 435, 615, 616, 617, 625, 650, 652, 800, 801, 805, 808, 810, 820, 821 and 823.

    These are list for Mediatek once :- MT6752, MT6753, MT6755 (a.k.a. Helio p10), MT6795 (a.k.a. Helio x10), MT6797 (a.k.a. Helio x20), MT6757 (a.k.a. Helio p20).


    though many other too support VoLTE but the above mentioned are the most commonly available in the market. Also to enble it on LTE devices Microsoft has to push for an firmware update.
    Chintan Gohel likes this.
    09-25-2016 11:40 PM
  11. Sreejesh K's Avatar
    Thanks Aditya for the detailed analysis. So, apparently SD 212 in Lumia 650 doesn't support VoLTE whereas SD 210 in Lumia 550 does. But isn't the former supposed to be an upgrade to the latter?
    Chintan Gohel likes this.
    09-26-2016 12:26 AM
  12. Deepak's Avatar
    QS 212, and hence Lumia 650, does support VoLTE, according to Qualcomm's website. Source:- https://www.qualcomm.com/products/sn...processors/212

    Check under "Telephony features".

    You are asking this for Jio? ;)
    Chintan Gohel likes this.
    09-26-2016 01:23 PM
  13. Sreejesh K's Avatar
    Oh yes, you're right. On their website, it's clearly mentioned that it supports VoLTE. You made my day brother. :)

    Yes, I'm planning to switch to Jio from Airtel but haven't decided yet. But you know, nowhere in the list of devices that supports Jio sim have they mentioned Lumia 650. Like what Aditya said earlier, it also depends on the carrier.

    Anyway thanks Deepak for sharing this information. :)
    09-26-2016 10:54 PM
  14. Deepak's Avatar
    You're most welcome.
    09-27-2016 01:03 PM
  15. earthman007's Avatar
    One of the UK networks that provides VoLTE services (they refer to it as 4G calling) lists the 650 as one of the phones that's compatible with this service on its network - 4G Calling | Help | EE

    Whilst they don't specify differences between the single and dual sim variants of this phone, I'm assuming that it ought to be both - unless someone knows otherwise?
    Chintan Gohel likes this.
    09-27-2016 03:41 PM
  16. Sreejesh K's Avatar
    I suppose there wouldn't be any difference. However, the network operator must support the device.

    Here in India, we have only one operator that provides VoLTE service but unfortunately they haven't listed Lumia 650 among the compatible devices.
    09-27-2016 10:45 PM
  17. Chintan Gohel's Avatar
    I suppose there wouldn't be any difference. However, the network operator must support the device.

    Here in India, we have only one operator that provides VoLTE service but unfortunately they haven't listed Lumia 650 among the compatible devices.
    Maybe you can ask them?
    09-28-2016 04:44 AM

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