Nature abhors a vacuum and so do vendors peddling O-RAN products, as they manoeuver to exploit Huawei’s exit from emerging 5G roll-outs, especially in North America and some parts of Europe, where restrictions on the Chinese vendor’s equipment have been introduced. At the same time these vendors must overcome the reluctance on the part of some operators to take the risk of switching horses midstream and trusting unproven suppliers and technologies. Such operators are more inclined to stick with the few remaining mainstream cellular vendors, primarily the Nordic duo Ericsson and Nokia, though Samsung is rising up the ranks and accounting now for about 12% of 5G network sales. We reported last week that some operators, such as Three in…