Me acaba de llegar por OTA pero ya está para descargar en mi.com también:
http://bigota.d.miui.com/V10.2.1.0.M...350233_6.0.zip
Changelog:
System
Fix: Updated Android Security Patch
Phone
Fix: UI elements for switching between cameras during video calls were displayed incorrectly
Lockscreen, Status Bar, Notification Bar
Fix: The button that returns you to an ongoing call overlapped with time
Fix: Couldn't restrict floating notifications
Fix: Couldn't use fingerprint to unlock the device when it was locked during a call
Fix: The earphone icon sometimes disappeared
Fix: Scrolling screenshots didn't always work properly
Recorder
Fix: Recording status wasn't updated in the Notification shade when a recording was paused