If you would like to test out the beta version of MIUI 9 (MIUI 8 China ROM) on your device, join the beta program before 1 August 2017. There is no region restriction. All owners of supported devices (list below) can apply for beta program. To join the MIUI 9 beta program, you should install Xiaomi MIUI Forum app on your device. Below are the pre-requisites for participating in the MIUI 9 China Beta program. Below are the eligible devices for participating MIUI 9 China Beta Program: Xiaomi Mi 6, Mi 5s Plus, Mi 5s, Mi 5c, Mi 5, Mi 4S, Mi 4c, Mi 4, Mi 3, Mi 2/2S, Mi MIX, Mi Max 2, Mi Max, Mi Note 2, Mi Note/Pro, Mi Pad 2, Mi Pad 1, Redmi Note 4X (MTK), Redmi Note 4X (SD), Redmi Note 4, Redmi Note 3 (MTK), Redmi Note 3 (SD), Redmi Note 2, Redmi Note, Redmi Pro, Redmi 4X, Redmi 4A, Redmi 4, Redmi 4 Prime, Redmi 3S/Prime, Redmi 3, Redmi 2A, Redmi 2/Prime, Redmi 1S, Redmi 1 Note that Mi 6, Redmi Note 4 Qualcomm and Redmi Note 4X will be the first list of devices to get MIUI 9 Beta.

How to join MIUI 9 Beta Program

  1. To join the beta program, install Xiaomi MIUI Forum app from Play store here or downloading the APK from here.
  2. Open the app and on the homepage, select Recruitment.
  3. Fill out your information as stated and tap on the Submit button. You will get a forum PM after approval. That’s it. (Source – MIUI)