In the absence of Mobile World Congress, many large vendors have been running virtual, or even physical, events to showcase the products and services they would have been talking up in Barcelona. Huawei and Cisco were among those making the best of a bad situation with a string of announcements. Huawei ran its traditional pre-MWC session in London last week, upgrading it from its usual one-day press and analyst pre-briefing, to a broader two-day ‘product and solutions’ event as a pared-down substitute for the small city of stands it normally has in Barcelona. Its launches included a pre-integrated smartphone module from its HiSilicon semiconductor subsidiary, highlighting that unit’s elevation from internal supplier to a merchant vendor – partly in response…