Realme XT has started receiving a January update the new update brings the January 2019 Android security patch. Realme has also fixed some of the known issues through the new update.
The latest update comes with the build number RMX1921EX_11_A.16 the based on ColorOS 6.0.1. The size may vary based on whether or not you installed the last iteration.
● Google Android security patch: January 2020
Known issues fixed
● Fixed VoLTE call drop of Reliance JIO operator