The Stable update V12.5.9.0.RFDCNXM has been officially released for Mi CC 9 Pro / Note 10 / Note 10 Pro (codename is tucana). Before updating, please make sure you have downloaded the exact ROM matching your Xiaomi phone/tablet. In Fastboot mode, you can check model code by typing fastboot getvar product in cmd/shell.
The firmware files posted here are all official Xiaomi MIUI or HyperOS ROM, xiaomiROM.com do not own and never modified those firmwares，you will always download the file from Xiaomi server.
You may interest in those contents: Mi CC 9 Pro / Note 10 / Note 10 Pro ROM Topics Xiaomi Devices Index
Download Mi cc 9 pro (tucana) China MIUI 12.5 V12.5.9.0.RFDCNXM Recovery ROM with Android 11.0. Firmware size is 3.3 GB.
Download Mi cc 9 pro (tucana) China MIUI 12.5 V12.5.9.0.RFDCNXM Fastboot ROM with Android 11.0. Firmware size is 4.7 GB.