Hutchison’s Three UK has delayed switching on its mobile 5G services, although it already has a fixed wireless home broadband offering available in some markets. It had said it would add full mobile connectivity in the fourth quarter, but has now issued a statement to say: “Our 5G roll-out is slightly behind our original plan.” Some of the issue seems to relate to Three’s plan to deploy some small cells or mini-macro units in cities, taking full advantage of its plentiful holdings of high capacity 3.5 GHz spectrum, which it acquired with UK Broadband – giving it a spectrum advantage over its rivals for the first time. But the company said that “the need to acquire the right planning permissions…