While many countries enjoyed a summer break, there was no let-up for Huawei in its attempts to build up defences against further potential US-inspired sanctions and restrictions. While the past week saw the US government relaxing its stance towards the Chinese vendor somewhat, amid a slightly more positive outlook for broader trade agreements, the situation remains unpredictable for Huawei and its customers, and the supplier’s actions over the preceding weeks clearly show that it is determined to make itself as self-sufficient as possible, and so less exposed to changes in US policy. So, at the start of August, Huawei duly announced its own operating system, now called – perhaps ironically – HarmonyOS, and also said it would open a major…