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The Samsung Galaxy Z Flip4

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Sun, Oct 24, 2021 1:53 PM

VoLTE dual sim not supported US 2022

I am told my 4g VoLTE dual sim (Samsung A21S) will no longer be supported in the US despite the fact it uses ATT 4G frequencies. Are there any dual sim phones that will be compatable with the 2022 network changes? I travel a lot and need the dual sim feature.

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Official Solution


ACE - Scholar


580 Messages

1 year ago

In the US I'm not aware of many other than some Pixels and iPhones from the last few years.  Some brands, I've heard this of some Galaxy phones, don't enable the eSIM in the US>

For the Pixels and iPhones, there is only 1 physical SIM so the other has to be an eSIM. 

The list of compatible phones for ATT are here:

New Member


112 Messages

1 year ago

The Nokia 6300 4G has 2 sim slots and is approved for VoLTE on AT&T.


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