2. Mi Max 32G

3. Mi 2/2S

4. Mi 4

5. Mi Note

6.Mi 4i

Recovery (800M)
http://bigota.d.miui.com/7.9.7/miui_MI4iGlobal_7.9.7_765912ea69_5.0.zip

7. Redmi 3

8. Redmi 3S/3X

9. Redmi 2 (Android 4.4)

10. Redmi 2 (Android 5.1)

11. Redmi Note 3 Qualcomm

12. Redmi Note 3 Special Edition

Recovery (1340M)
http://bigota.d.miui.com/7.9.7/miui_HMNote3ProtwGlobal_7.9.7_5e90f1af67_6.0.zip

13. Redmi Note 4G
Fastboot (1019M)
http://bigota.d.miui.com/7.9.7/gucci_global_images_7.9.7_20170907.0000.00_4.4_global_604a3aca0c.tgz

Recovery (550M)
http://bigota.d.miui.com/7.9.7/miui_HMNote1SGlobal_7.9.7_6d0c0bd2eb_4.4.zip

14. Redmi Note 2

Fastboot (1342M)
http://bigota.d.miui.com/7.9.7/hermes_global_images_7.9.7_20170907.0000.00_5.0_global_5401a222c3.tgz

Recovery (943M)
http://bigota.d.miui.com/7.9.7/miui_HMNote2Global_7.9.7_0e9d427267_5.0.zip

15. Mi Max Prime 64G/128G
Fastboot (1658M)
http://bigota.d.miui.com/7.9.7/helium_global_images_7.9.7_20170907.0000.00_7.0_global_7427c5b583.tgz

Recovery (1380M)
http://bigota.d.miui.com/7.9.7/miui_MIMAX652Global_7.9.7_36880e1bfd_7.0.zip

16. Redmi Note 4

Recovery (1256M)
http://bigota.d.miui.com/7.9.7/miui_HMNote4Global_7.9.7_4f54692312_6.0.zip

17. Redmi Note 4X/ Redmi Note 4 Qualcomm
Fastboot (2082M)
http://bigota.d.miui.com/7.9.7/mido_global_images_7.9.7_20170907.0000.00_7.0_global_9d2bf765d6.tgz

Recovery ( 1454M)
http://bigota.d.miui.com/7.9.7/miui_HMNote4XGlobal_7.9.7_18728ac55a_7.0.zip

18. Redmi Note 4G

Fastboot (954M)
http://bigota.d.miui.com/7.9.7/dior_global_images_7.9.7_20170907.0000.00_4.4_global_08e8f775c6.tgz

Recovery (484M)
http://bigota.d.miui.com/7.9.7/miui_HMNoteLTEGlobal_7.9.7_1cd4698ff1_4.4.zip

19. Mi Note 2
Fastboot (1544M)
http://bigota.d.miui.com/7.9.7/scorpio_global_images_7.9.7_20170907.0000.00_7.0_global_4f28ad2827.tgz

Recovery (1263M)
http://bigota.d.miui.com/7.9.7/miui_MINote2Global_7.9.7_db89be02eb_7.0.zip

20. Mi 5s

Fastboot (1507M)
http://bigota.d.miui.com/7.9.7/capricorn_global_images_7.9.7_20170907.0000.00_7.0_global_3b601fce28.tgz

Recovery ( 1234M)
http://bigota.d.miui.com/7.9.7/miui_MI5SGlobal_7.9.7_290f291b89_7.0.zip

21. Redmi 4X
Fastboot (1802M)
http://bigota.d.miui.com/7.9.7/santoni_global_images_7.9.7_20170907.0000.00_7.1_global_47020382ee.tgz

Recovery (1218M)
http://bigota.d.miui.com/7.9.7/miui_HM4XGlobal_7.9.7_edadafd19f_7.1.zip

22. Mi 5s Plus
Fastboot (1554M)
http://bigota.d.miui.com/7.9.7/natrium_global_images_7.9.7_20170907.0000.00_7.0_global_04b03ba872.tgz

23. Mi 6
Fastboot (2061M)
http://bigota.d.miui.com/7.9.7/sagit_global_images_7.9.7_20170907.0000.00_7.1_global_abaf20db53.tgz

Recovery (1493M)
http://bigota.d.miui.com/7.9.7/miui_MI6Global_7.9.7_1aefcd07ec_7.1.zip

24. Mi Max 2
Fastboot (1997M)
http://bigota.d.miui.com/7.9.7/oxygen_global_images_7.9.7_20170907.0000.00_7.1_global_826c94c083.tgz

Recovery (1415M)
http://bigota.d.miui.com/7.9.7/miui_MIMAX2Global_7.9.7_819b73f633_7.1.zip

25. Redmi 3S

Recovery (1233M)
http://bigota.d.miui.com/7.8.28/miui_HM3S_7.8.28_bcce15b673_6.0.zip

MIUI 9 Global Beta ROM 7.8.10 Full Changelog

MIUI 9 Lightning fast

New – Deep-level system optimizations (08-07)
New – New icons (08-07)
New – New animations for launching and exiting apps (08-07)
New – Simpler Home screen editing (08-07)
New – Introducing Split screen (08-07)
New – Improved Silent mode triggered by the volume button (08-07)
New – Improved readability for the start page of Messaging (08-07)

System
Optimization – Devices with rare Bluetooth profiles are hidden in the device list (07-25)

Settings
New – Search for apps in the Dual apps settings (08-03)

Note: The above info is about MIUI Global Beta ROM, please click here to check the latest update for MIUI China Developer ROM.

MIUI 9 Features

Multi-window support

Some recent reports also says that it will also support Multi window.Multi window means you can use apps side by side as you can able to use in your PC and Laptops.This feautres is complety awesome.