Downgrade Oneplus 9 To Android 11 Exclusive !!exclusive!! May 2026

To downgrade your OnePlus 9 or 9 Pro from Android 12 back to the stable Android 11 (OxygenOS 11), you must use a specific rollback package. This process will completely wipe your device, so a full backup is essential. 1. Essential Prerequisites

Note: If the downloaded file ends in .jar, rename it to end in .zip. downgrade oneplus 9 to android 11 exclusive

Downgrading your OnePlus 9 to Android 11 may: To downgrade your OnePlus 9 or 9 Pro

is a popular choice for users who prefer the original OnePlus software identity before the "ColorOS-ification" merge. 🌟 Review: Why Downgrade? Preparation Move the rollback ZIP to the root

pm disable-user --user 0 com.oneplus.opbackup
pm disable-user --user 0 com.oneplus.ota

Preparation

Move the rollback ZIP to the root directory of your phone's internal storage (not inside any folder). Install the downloaded Local Update APK. Initiate the Rollback: Open the Local Update app you just installed. Tap the gear icon in the top-right corner. Select the Android 11 rollback ZIP package.

Backup your data: Downgrading will erase all data on your device. Backup your important files, photos, and data to an external storage device or cloud storage service like Google Drive.
Charge your device: Ensure your OnePlus 9 is fully charged or at least 50% charged to avoid any interruptions during the process.
Install necessary tools: You'll need to install the OnePlus USB driver and the Android Debug Bridge (ADB) tool on your computer.

After downgrading to Android 11: