How to Downgrade OnePlus 8, 8Pro, 8T to Stable Android 11 (Without Losing Data) from Android 12 [Update Europe variants]
Gizchina.it - OnePlus 8 e 8 Pro: gli utenti segnalano problemi con la OxygenOS 11 https://gizchina.it/2020/10/oneplus-8-pro-problemi-bug-oxygenos- 11-android-11/ | Facebook
OnePlus, You Did a Beautiful Android 11 Job
How to manually install OxygenOS 11 (Android 11) on OnePlus 8 and OnePlus 8 Pro - Neowin