The update is exclusive to Indian users only. The update is rolling out via OTA (Over the Air) to the Realme C3 and Narzo 10A. So, it may some days to reach your smartphone. Alternatively, check the update status manually by heading to Settings -> Software update. This is a major bug fix update which addresses various bugs which were being reported after the previous update. It also promises to improve system stability and performance. There are some new features added which you can check in the changelog below.
Changelog
Security
Updated Android security patch: Jan, 2021
Settings
Optimized the logic of Mobile data limit feature
Camera
Optimized the image quality in some scenarios
System
Fixed the noise issue during gaming
Via
