Downgrade OnePlus 9 Pro from OxygenOS 14 to 13 [Android 14 to 13] via Fastboot Commands

Guide: https://droidwin.com/downgrade-oneplu...

In this video, we will show you the steps to downgrade your OnePlus 9 Pro from OxygenOS 14 to OxygenOS 13 i.e. Android 14 to Android 13.

The process will be carried out via Fastboot Method and hence requires an unlocked bootloader.

While you could also use the MSM Download Tool, but your device will be downgraded to Android 11 and then updating it to Android 13 will be unnecessary lengthy.

00:00 Why Use Fastboot Method
01:13 Android SDK Platform Tools
01:29 Enable USB Debugging and OEM Unlock
03:00 Unlock Bootloader
03:24 Download Android 13 Fastboot ROM
04:58 Boot to Fastboot Mode
06:01 Downgrade OnePlus 9 Pro OxygenOS 14 To 13
06:55 Explaining the Downgrade Process
10:18 Booted to OxygenOS 13