Read this site : http://en.miui.com/thread-323779-1-1.html
Firmware for MDZ-16-AA (https://yadi.sk/d/HfBua33Tu25s6)
Tips to enter recovery mode:-
- Make sure your bluetooth remote almost touch the mi both white light area
- Try a few times if not able to go into recovery mode
Step 2 - Rooting (with Kingoroot)
- Install Kingoroot and ADB universal driver (can also install Mi PC Suite which also install the ADB driver)
- Enable ADB mode in Mi Box and disable Auto Update
- PC connect to Mi Box using USB A to MicroUSB + MicroUSB to USB A adapter. USB A to USB A cable might not work.
- Kingoroot will detect Mi Box and follow the instruction. In Mi Box, it also ask you to install some Battery Apps.
- You're now rooted
Step 3 - Rooting (with Genius root)
- If your Mi Box is hang at GITV bluescreen, you need to to Step 1 again.
- Enable ADB again in Mi Box
- Then install Root Genius (http://rootgenius.com/)
- Install whatever app in the Mi Box that Root Genius ask you.
- You're now rooted.
If you want to have Android TV with Google Cast functionality:-
https://www.youtube.com/watch?v=ACzgVoO76c0&t=181s
GoogleTV TWRP - https://goo.gl/OM9dza
