One click: Start.
: Ensure the file ends in .zip . If it ends in .jar , rename it to remove the .jar suffix. Step 3: Install the Downgrade Open the Tool : Open the Local Update APK you installed.
Connect your phone to a PC and manually copy the DCIM and Pictures folders to your computer. Phase 2: Downloading the Rollback Files
Ensure your phone is charged to at least 50% to avoid any shutdowns during the flashing process.
Before we dive into the process, let's discuss some reasons why you might want to downgrade to Android 11:
Tap . The device will boot into recovery, perform a factory reset, and eventually restart into OxygenOS 11 . Troubleshooting Common Issues
One click: Start.
: Ensure the file ends in .zip . If it ends in .jar , rename it to remove the .jar suffix. Step 3: Install the Downgrade Open the Tool : Open the Local Update APK you installed. Downgrade Oneplus 9 To Android 11
Connect your phone to a PC and manually copy the DCIM and Pictures folders to your computer. Phase 2: Downloading the Rollback Files One click: Start
Ensure your phone is charged to at least 50% to avoid any shutdowns during the flashing process. Step 3: Install the Downgrade Open the Tool
Before we dive into the process, let's discuss some reasons why you might want to downgrade to Android 11:
Tap . The device will boot into recovery, perform a factory reset, and eventually restart into OxygenOS 11 . Troubleshooting Common Issues