https://techcrunch.com/2019/08/05/huaweis-in-house-os-could-show-up-on-phones-this-year/

Huawei has almost certainly been working on a software contingency plan for some time now, prepping for a worst case scenario. When the U.S. announced that it was blacklisting the Chinese hardware giant earlier this year, those plans were likely accelerated.

One of the things that’s still unclear, however, is what role the company’s Hongmeng OS will fill. Recent reports have suggested that the operating system was built for IoT and other industrial applications. However, the software may also be forked specifically to run on low-end mobile devices.