> It's a bit silly to wait for a completely different radio transport before thinking of carrier and backhaul improvements, which are almost completely orthogon

> It's a bit silly to wait for a completely different radio transport before thinking of carrier and backhaul improvements, which are almost completely orthogonal. Development on radio access and core network does indeed happen in parallel, and as far as I know, the core network overhaul was not delayed to wait for the radio-layer. But marketing-wise, the radio-layer is what makes the phone show a 5G icon.