This is an iteration of the Mi Note 3 MIUI 12 ROMs. The first MIUI 12 firmware or update for Mi Note 3 has already been released on 2020-04-27 by Xiaomi. You can now download the stable, weekly, or beta MIUI 12 ROM for your phone/tablet with device code jason. The last version of Mi Note 3 MIUI 12 ROM has been rolled out on 2020-09-21. It is recommended to update to the latest MIUI12 to experience the new features. If you want to upgrade or downgrade your MIUI version, you can find more details on the Mi Note 3 ROM section page.