Realme X2 has officially picked up the latest December 2020 security patch. The update brings some new features and camera optimizations. The update comes with build version RMX1991_11_C.25, which is based on Android 10.
The update is exclusive to China only. The update is rolling out via OTA (Over the Air) to the Realme X2. 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 Bluetooth, Fingerprint, face unlock and HDR video related issues. The update also adds Bluetooth headset call answer icon and the QR code sharing function in the contact details interface.