https://en.wikipedia.org/wiki/HarmonyOS#Early_development https://en.wikipedia.org/wiki/HarmonyOS#Early_development > Reports surrounding an in-house operating

https://en.wikipedia.org/wiki/HarmonyOS#Early_development https://en.wikipedia.org/wiki/HarmonyOS#Early_development > Reports surrounding an in-house operating system being developed by Huawei date back as far as 2012 in R&D stages with HarmonyOS NEXT system stack going back as early as 2015. It wasn't green field to release in two years and likely had almost a decade of prep. It probably got additional resources with the Google Mobile Services ban... but even without that it would likely have shown up within the next few years.