Last week, Xiaomi had announced that it would be releasing the Android 6.0 Marshmallow Update for the Xiaomi Mi 4 and Mi Note soon.
MI 4 will be getting Android 6.0 (Android M) by next week'. Yes you read it right Android M for MI 4 is comming by next week but currently the china ROM will get it first
It's been almost four months since the launching of MIUI 7. During this time, MIUI devs have been working to bring the new Android versions to our devices.
Here're some good news: Mi 3 W/C, Mi 4 and Mi Note will be the first ones to get Android M (6.0)! The beta updates will roll out for them soon. From next week, these three devices will no longer get updates based on Android Kitkat (4.4).