The OnePlus 7 Pro was a landmark device—a true "flagship killer" with its notchless display and pop-up camera. However, for many users, its software journey has been rocky. While Android 11 and 12 brought new features, they also introduced bugs, battery drain, and a departure from the beloved "fast and smooth" OxygenOS feel.

Android 10 (specifically OxygenOS 10.0.3 or 10.0.4 GM21AA/BA) is widely considered the of the OnePlus 7 Pro experience.

You must use a specific "rollback" file to bypass the system's block on installing older software.