Install Android 9.0 pie on Huawei Mate 9 (Pixel Experience ROM) - How to Guide! - YouTube
List of phones Getting Android 9.0 Pie update
Huawei Mobile - It's time to experience #EMUI 9.0 on your favorite #HUAWEI device. If you own one of these devices, EMUI 9.0 will be with you very soon! Stay tuned. #HigherIntelligence #
EMUI 9.0 and Android 9 Pie for everyone, new devices receive the update
Install Android 9.0 Pie on Huawei Mate 9 (LineageOS 16) - How to Guide! - YouTube