Xiaomi has released MIUI 11 open beta for a bunch of Xiaomi smartphones which can be installed right now to test it. The builds are only available to be installed using a custom recovery like TWRP but its worth it.
Prerequisites
You have to have the bootloader of the smartphone unlocked and TWRP custom recovery installed on it.All the data from the smartphone should be backed up properly before getting ready to install the custom ROM.Make sure to download the correct version of the custom ROM for your device.The smartphone should be charged sufficiently or the phone should be connected to the charger during the process.Make sure that it is a beta version of the ROM so you might see some crashes here and there. Some apps like Facebook and Messanger also may also refuse to work in this beta build.
Download Links
Xiaomi Mi 9 Android 10 DownloadXiaomi Mi 6 Android 9 DownloadXiaomi Mi MIX 3 Android 9 DownloadXiaomi Mi MIX 2S Android 9 DownloadXiaomi Redmi K20 Pro Android 10 DownloadXiaomi Mi 8 SE Android 9 DownloadXiaomi Redmi Note 7 Pro Android 9 DownloadXiaomi Redmi Note 7 Android 9 DownloadXiaomi Mi 8 Lite Android 9 DownloadXiaomi Redmi Note 5 Android 9 DownloadXiaomi Mi 8 Android 9 DownloadXiaomi Mi MIX 2 Android 9 DownloadXiaomi Mi 9 SE Android 9 DownloadXiaomi Mi Max 3 Android 9 DownloadXiaomi Mi Note 3 Android 9 DownloadXiaomi Mi 5X Android 8.1 DownloadXiaomi Redmi 5 Plus Android 8.1 DownloadXiaomi Redmi Note 4/4X Android 7 DownloadXiaomi Mi Mix Android 8 DownloadXiaomi Redmi 6A Android 9 DownloadXiaomi Redmi 6 Android 9 DownloadXiaomi Mi 5s Android 8 DownloadXiaomi Mi Note 2 Android 8 DownloadXiaomi Mi Mix 2 Android 9 DownloadXiaomi Mi 8 UD Android 9 DownloadXiaomi Mi 8 EE Android 9 DownloadXiaomi Mi 6X Android 9 DownloadXiaomi Redmi K20 Android 10 DownloadXiaomi Redmi Note 8 Android 9 Download
Google apps package
Since the custom ROM build is in beta and is a Chinese ROM so it won’t have any Google apps installed on it. You have to download the Google apps package from Open Gapp’s website and flash it just like the custom ROM via TWRP recovery.
Steps to Install MIUI 11 on Xiaomi smartphones
Conclusion
If your phone does not boot up after the ROM installation then do not panic, just flash the custom ROM again. If you find any other error during or after the installation then tell us about it in the comments.