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If you have owned and used a 4G LTE smartphone with two 4G SIM cards in it, you will have noticed that only one of the SIM slots connect to 4G LTE at a time. The other SIM card is forced to switch to 2G, or in the case of a 4G only SIM, it does not pick a network. Dual SIM Dual VoLTE technology solves that problem.
Dual SIM Dual VoLTE Means 4G LTE On Both SIMs
In other words, a smartphone with Dual SIM Dual VoLTE technology will allow you connect to two 4G networks at the same time for both data and voice over LTE. You will no longer have to go without 4G on one SIM when you have it active on the other line.

Dual SIM Dual VoLTE is a new technology. As such, not a lot of dual SIM smartphones support active 4G on both SIM cards yet. But the technology will gain acceptance. Besides Qualcomm, MediaTek, and Spreadtrum, Huawei’s Kirin chips are getting Dual SIM Dual VoLTE as well.
Phones With Dual SIM Dual VoLTE
If you do need a phone with Dual SIM Dual 4G support right now, here is a short list to pick from:
- Huawei P20 Pro
- Honor View 10
- Xiaomi Redmi Note 5 Pro
- Asus Zenfone Max Pro M1
- Oppo F7
Responding to a tweet, HMD Global’s chief product officer says that the Nokia 7 Plus will get Dual SIM Dual VoLTE added to it soon:
Thanks Sid for the awesome review and don’t worry, 2nd sim will support LTE shortly! — Juho Sarvikas (@sarvikas) May 4, 2018
https://d-18845531441374875590.ampproject.net/2106072053000/frame.html That suggests that the Snapdragon 660 has the hardware built in and the phone simply needs software to enable it. So, it looks like a software update adding Dual SIM Dual VoLTE will happen soon.
Now that you know what Dual SIM Dual VoLTE is, you can determine whether it is a serious need of yours and whether you will add it to your smartphone feature shopping list.
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Author:Mister Mobility
Digital Skills and Communication Coach | Mobile Phone Connoisseur since 2001 | Tech Blogging since 2004
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As a mobile platform, Windows 10 Mobile is dead. Nobody is making new phones any more, and Microsoft is no longer adding new features to the OS. However, the company continues to provide security updates. Two days ago, my Lumia 950 got a prompt for a 2018-05 Windows 10 Version 1709 Update for arm-based phone devices.
Running the update proved to be without issues and in a few minutes, it was installed on the phone. Again, this update is mostly security patches. But while Microsoft has said there will be no new feature developments for the Windows Phones, it does look like there is one here.
Using The 2018-05 Windows 10 Version 1709 Update
When using the Microsoft Store after I installed the 2018-05 Update for Windows 10 Version 1709 for arm-based phone devices, I was not required to login to download and install apps. When I tap “Get” to download an app, I get a pop-up that asks me to sign in with Microsoft and use the app on any compatible device. Below that are options to decline or sign in.

When I decline by clicking on, “No, thanks”, the app still downloads. I am guessing that I just won’t be able to use the app on another compatible device. Who cares? I am able to install apps once again on my beloved Lumia.
Great News For Me
This is great, especially as I have been locked out of my Microsoft account for months now, with no working solution from Microsoft support. I detailed this in a forum post, Why I dumped and deleted Skype everywhere .
Being unable to login to my Microsoft account has meant that I haven’t been able to use my Lumia as I want, because of no access to download apps. But this new development means that problem is gone. I still won’t be able to use Skype, but my beloved Lumia 950 can function as a smartphone again.
This new open nature of Microsoft Store has me asking though, “Does this mean that Microsoft is aware that there are issues with some Microsoft accounts and has “opened” up the store for this reason?
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Author:Mister Mobility
Digital Skills and Communication Coach | Mobile Phone Connoisseur since 2001 | Tech Blogging since 2004