: This model has reached the end of its official major software support cycle, which typically included 2 OS versions and 4 years of security updates. How to Check for OTA Updates
: The phone will automatically search for any available OTA (Over-The-Air) packages. oppo cph1933 ota update
: If an update is found, tap Download and Install . Ensure your phone is connected to a stable Wi-Fi network and has at least 50% battery. : This model has reached the end of