Download the official firmware (OZIP file) from a trusted source like OPPO Support and copy it to your phone's internal storage or an SD card.

Download and install the OPPO System Upgrade Tool (also known as ColorOS Assistant) on a Windows 10+ computer.

The most significant update for the CPH1933 has been the rollout of . Initially launched with ColorOS 6 (Android 9), OPPO promised two major Android updates for this device line. The final major update is ColorOS 12.

When it was released, the device ran on Android 9.0 (Pie) out of the box, skinned with Oppo’s proprietary ColorOS 6. Over the years, the path has seen significant transitions, moving through ColorOS 7 and eventually reaching its final major OS milestone.

: If an update appears, tap Download and Install . Ensure you are connected to a stable Wi-Fi network to avoid heavy data charges and have at least 50% battery life. Latest Version Availability

: Your device will automatically connect to OPPO’s servers to see if a newer version is available for your specific region.