Huawei Mate 9 receiving Android Pie features based on EMUI 9.0.1.150 update In a move that may have been influenced by media and user pressure, Huawei, has publicly counted the approximately 2 year old P10 and Mate 9 lines, into its plans for upgrades to Android 9.0 Pie. A report emanating from China, indicates that these plans are now underway, as Mate 9 users in this country, have received the relevant update. This new OS version for the Mate 9, is known as EMUI 9.0.1.150. In addition to many new Pie-related feasture, it also brings Huawei HiVision to this phablet
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– https://www.notebookcheck.net/The-Huawei-Mate-9-is-receiving-an-update-to-Pie-in-China-now.401221.0.html

Source: https://www.youtube.com/watch?v=c9xb9QcnMrU