The update is exclusively available in the European region. This is an incremental update which addresses some reported bugs. It improves and optimizes the mobile network signal in some regions. Other than this there is no other information about the update is available. The latest update bumps the firmware version to MIUI 12.0.15.0.QJDEUXM. It is being rolled out as an OTA. You can manually check the software update on your device whether it’s available on your device or not. Head over to the device Settings –> About Phone –> Check for Software Update.
Changelog
Optimizes the mobile network signal in some regions