HI,

As you might  aware that the Android M is being tested by Beta Members for our Beloved Xiaomi Mi 4(Mi 3 and Mi Note too), and as the the MIUI Operation Manager RanGer has Shared a post on Weibo (Chinese Social Networking Site), confirming that the MIUI 7 based on Android M will be rollout to MIUI China Developer ROM (For Public Release). So here is it  Yes you read it right Android M based on MIUI 7 for MI 4 is now available for downloading/updating .Are you Exicted to taste the Android M on your beloved Mi 4.

Download links:
Recovery:Android M for Mi 4 -  China Developer ROM
Mirror:Android M for Mi 4- China Developer ROM

Disclaimer:
It is recommended to flash this ROM  only if you are using the China Developer ROM previously.
Those users who are on Stable ROM and Wants to Get taste of the Android M must flash the Previous version (5.12.4 and 5.12.11)of China Developer ROM Prior to this.
This ROM is needed to flash via recovery mode.
It is recommended to do a backup prior to update and reflash.
There may be some unpredicted bugs still, think twice before you flash, thanks!
MIUI ROM Flashing Guide for Xiaomi Mi 4: https://www.xiaomidevice.com/blog/xiaomi-mobile-phone-system-update/