Downgrade Oneplus 9 To Android 11 Exclusive Jun 2026

OnePlus 9 (LE2110, LE2111, LE2113, LE2115, LE2117) Target OS: OxygenOS 11.2.10.10 / 11.2.20.20 (Android 11) Prerequisite: Unlocked Bootloader (Mandatory for cross-version rollback)

Download the MSM tool specific to your OnePlus 9 variant from XDA-Developers Power off your phone, hold Volume Up + Volume Down , and connect it to your PC to enter downgrade oneplus 9 to android 11 exclusive

Just let me know which part you need most. OnePlus 9 (LE2110, LE2111, LE2113, LE2115, LE2117) Target