For owners of the Oppo A9 2020, the ColorOS 12 update (based on Android 11) represents a significant aesthetic overhaul and a much-needed modernization of the user interface. However, as a mid-range device aging into its later years, the update brings a mixed bag of visual delights and performance trade-offs.
18;write_to_target_document1a;_XKfsae-MEYy8ptQP8LWbuQc_10;56; 18;write_to_target_document7;default0;1e1;
The OPPO A9 2020 was a fan-favorite mid-range smartphone when it launched back in 2019. Celebrated for its massive 5000mAh battery, quad-camera setup, and solid build quality, it became a bestseller in markets like India, Indonesia, and the Middle East.
While the phone remains highly functional on Android 11, missing the upgrade means users do not have access to several foundational system enhancements: Infinite Design UI
According to responses on the OPPO Community India Portal, the device's hardware performance can no longer guarantee systemic stability under newer operating system frameworks. ColorOS 11 vs. ColorOS 12: What the Phone Misses
This comprehensive article explains why the device was excluded from the rollout, what features you miss out on, and how to safely optimize your phone without the upgrade. Why the OPPO A9 2020 is Excluded from ColorOS 12