How to handle two SIMs and 5g in Fairphone 6?

I read in the product description: “One physical Nano-SIM slot, One eSIM. Only one SIM card slot can be active on 5G radio technology at a time.” I just have a physical SIM but for the case that I need an eSIM I’d like to understand how that works in practice.

Does it mean that before being able to activate both cards, I have to switch one of them from 5G to a slower connection type? Which type would be the second best and where would I find the settings? (The list of preferred network types looks intimidating and seems to require special training.)

Or does the network automatically shift down for one of the cards when both cards are active, and back to 5G as soon as I deactivate one of them so that I just need to operate the SIM card toggles?

In “SIM Card" Setup you can priority the Sim for mobile Data.

So the second one doesn’t use any mobile data, or something else than 5g?

It’s for only use data with this Sim Card.. the 5G Priority ypu can’t handle.. only 5g/4g/3g/2g, 4g/3g/2g or 3g/2g.

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My experience with FP5 with one physical and one eSIM you select which SIM should be selected for mobile data (2G/4G/5G which ever is available). Unfortunately there doesn’t seem to be a mechanism to use the secondary SIM as fallback if there’s no or weak network for the primary SIM, i.e. you need to switch manually.

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