OPPO F17 Pro, OPPO Find X2 Receive Android 11-based ColorOS 11 Update in India: Changelog, New Features - MySmartPrice
Oppo Find X2 (Pro) ColorOS 11 Beta Update available to download
OPPO Find X2 Proのソフトウェアアップデートのお知らせ | オウガ・ジャパン
OPPO、ColorOS 11を正式発表!配信スケジュール、対象端末の28機種も公開|SIM太郎
Downgrade Oppo Find X2/X2 Pro to Android 10 from Android 11 (Rollback Guide)
Oppo Find X2 Pro ColorOS 11 Stable Update rolls out with Android 11
Updated with new firmware] Installed the Android 11 beta on your OPPO Find X2/X2 Pro? This is how to roll back to Android 10/ColorOS 7.1 - TalkAndroid.com