The Stable update V9.2.1.0.NXHCNEK has been officially released for Mi Note Pro (codename is leo). 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 Note Pro ROM Topics Xiaomi Devices Index
Download Mi note pro (leo) China MIUI 9 V9.2.1.0.NXHCNEK Recovery ROM with Android 7.0. Firmware size is 922.4 MB.