After posting I could read that he might have found a better alternative. We’ll see.
If so that would even make things worse because there are countries/providers already not even having 2G active anymore.
or
So unlucky owners of the mainboard not having 2G and even 3G some day would hold a new unit degraded to crap without any reception option.
That would be the biggest frustration someone could experience.
So let’s hope the latest finding of @Leo_TheCrafter gives a working solution.