Huawei P20 latest HarmonyOS 2.0.0.215 brings support for portrait clustering universal cards - HU
Harmony OS 3: HUAWEI P20/Mate 10 & other 13 devices get the update - Gizchina.com
Global Rom Huawei P20 Lite Nova 3e Smartphone 4gb 64gb/128gb 5.84 Inch Kirin 659 Octa Core 24mp Front Camera Face Id Android 8.0 - Mobile Phones - AliExpress
Huawei P20 Lite receiving August 2020 security update (EMUI 9.1.0.355) - RPRNA
HarmonyOS might not rollout for Huawei P20 and Mate 10 series, suggests a leak - HUAWEI Community
Huawei P20 Lite Android 10 Custom ROM Havoc OS (ANE-LX1/LX2/LX3/AL00/TL00) - Ministry Of Solutions
These are the Huawei smartphones that will be 'upgraded' to Harmony OS - TalkAndroid.com