How to Downgrade Huawei P20 Pro from Android 9 Pie to Oreo 8.1 EMUI - YouTube
Android Pie Update Tracker: How to update your phone to Android Pie | WIRED UK
Huawei starts rolling out Android Pie to P20, P20 Pro and Mate 10 Pro in Europe | Technology News,The Indian Express
Huawei P20 Pro Review | Gadgets 360
EMUI 9 beta: HUAWEI and HONOR users can now sign up to test Android Pie (UPDATED) - Android Authority
Huawei Rolling Out EMUI 9.0, Based on Android Pie, to Select Devices
Huawei P20 and P20 Pro update: May 2019 security patch available in China
EMUI 9: Here's when HUAWEI plans to launch Android Pie-based update
Android 9 Pie good news for Huawei P20 users! - Gearrice
Huawei P20 Pro, Huawei Nova 3 Now Receiving Android Pie-Based EMUI 9.0 Update in India | Technology News
Huawei P20 Pro is Receiving Android 9 Pie in Kenya
Update: It's still beta] Android 9 Pie update for Huawei P20 and P20 Pro now rolling out in Europe
UBR] First Ever Android 9.0 for Huawei P20 Pro | XDA Forums
Huawei P20 Pro is set for its biggest upgrade ever - Here is everything that's coming | Express.co.uk
Huawei Android Pie EMUI 9.0.0.125 OTA update rolling out for P20, P20 Pro, Mate 10, Mate 10 Pro, Honor 10, Honor V10 and Honor Play in China | Huawei Advices
Install Android 9 Pie on Huawei P20 and P20 Pro (EMUI 9 for Huawei P20/Pro)
Huawei's Android 9 Pie update for P20 and Mate 10 gets an official release date - PhoneArena