Question about Fairphone 3

5 years ago

Does Dual SIM support 4G in both SIMs? If the data on SIM1 is configured (4G), can SIM2 make calls on a 4G network? Or does it only work with a 2G network? For example, Sunrise only has a 3G and 4G network in the Gotthard tunnel (no 4G). Thank you

5 years ago

The question is whether the following operating mode is possible: 4G for data on one SIM, 3G/4G for telephony on the other card.
Fairphone itself does not have a clear answer, the support page does not provide a clear answer, and the community cannot give a binding answer. I have written to Fairphone support about this but have not yet received an answer. Perhaps it would make sense if digitec, as a sales partner, took care of this. Swisscom is planning to switch off 2G at the end of 2020. If the connection is only 4G / 2G possible, the Fairphone would only be single sim capable in a year's time. That would clearly contradict the envisaged period of use. But I honestly cannot imagine that FairPhone has not taken this into account.

Littauer

5 years ago

The second SIM card only supports 2G, you cannot use both in 4G mode.

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Question about Fairphone 3

Does Dual SIM support 4G in both SIMs? If the data on SIM1 is configured (4G), can SIM2 make calls on a 4G network? Or does it only work with a 2G network? For example, Sunrise only has a 3G and 4G network in the Gotthard tunnel (no 4G). Thank you

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