This is an iteration of the Redmi K40 Pro/Pro+ / Mi 11i / Mi 11X Pro MIUI 12.5 ROMs. The first MIUI 12.5 firmware or update for Redmi K40 Pro/Pro+ / Mi 11i / Mi 11X Pro has already been released on 2021-03-15 by Xiaomi. You can now download the stable, weekly, or beta MIUI 12.5 ROM for your phone/tablet with device code haydn. The last version of Redmi K40 Pro/Pro+ / Mi 11i / Mi 11X Pro MIUI 12.5 ROM has been rolled out on 2022-01-18. It is recommended to update to the latest MIUI12.5 to experience the new features. If you want to upgrade or downgrade your MIUI version, you can find more details on the Redmi K40 Pro/Pro+ / Mi 11i / Mi 11X Pro ROM section page.