Downgrade OnePlus 8 8Pro 8T to Oxygen OS 11 Android 11

Downgrade and Update OnePlus 8 8Pro 8T

Fix Downgrade issue

How to downgrade/Update your OnePlus device using a local update:

1. Find the official firmware: Visit the official OnePlus website or trusted OnePlus community forums to find the official firmware file for the specific version you want to downgrade to. Make sure to download it from a reliable source.

2. Transfer the firmware to your device: Connect your OnePlus device to your computer using a USB cable. Copy the firmware file to the main folder of your device's internal storage. Avoid placing it inside any folders.

3. Backup your data: It's important to back up your important files, photos, and data before downgrading. Save them to your computer or cloud storage as a precaution.

4. Enable local upgrade mode: On your OnePlus device, go to the Settings menu. Scroll down and select "System." Tap on "System updates," and then tap the gear icon at the top right corner. Look for and tap on "Local upgrade" in the settings menu.

5. Install the firmware: Your OnePlus device will search for the firmware file in the main folder of the internal storage. Once detected, tap on it to start the installation process.

6. Confirm the installation: Read the instructions carefully and, if you're sure you want to proceed, tap on "Install Now" or a similar confirmation button. The installation process will begin.

7. Wait for the installation to complete: Your OnePlus device will automatically reboot and begin installing the firmware. During this process, it's important not to disconnect the device or interrupt the installation. Allow it to complete without interruptions.

8. Set up your device: Once the installation is finished, your OnePlus device will reboot again. Follow the on-screen instructions to set up your device, including signing in to your Google account and restoring your backed-up data if needed.

Remember, downgrading your device's software means you may lose certain features, security updates, or bug fixes from the newer version. It's important to use the correct firmware file for your device model and exercise caution during the process. If you encounter any difficulties, reach out to OnePlus support or seek guidance from the OnePlus community forums for device-specific assistance.

Downgrade OnePlus 8 8Pro 8T to Oxygen OS 11 Android 11

IN11DA  IN2021: India
IN11AA  IN2025: Global
IN11BA  IN2023: EU

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