The first iOS 12.1 beta appears to have already added support for the Dual SIM features promised for the 2018 iPhones, 9to5Mac reports, although beta users will naturally still need to wait for the carriers to make the service available — something that likely won’t happen at least until iOS 12.1 is released to the public. Apple originally announced that the new iPhones would support Dual-SIM technology when it debuted the new models earlier…
