Huawei Android 9 Pie update: EMUI 9 stable now available for P20, P10, Mate 10, Honor 10, View 10, Honor Play, Honor 8X, and Honor 8 Pro across the globe
Exclusive: This is Android Oreo with EMUI 6 on the Huawei Mate 9
Huawei starts rolling out Android 8.0 Oreo with EMUI 8 for Mate 9 and Mate 9 Pro - PhoneArena
Download and install AOSP Android 10 Update for Huawei Mate 9 [GSI Treble]
Huawei Mate 9 Review: A Well-Appointed Android Device, At A Bargain Price | HotHardware