The Stable update V14.0.3.0.SMOCNXM has been officially released for Redmi Note 12 Pro/Pro+ / Pro+ 5G / Discovery 5G (codename is ruby). 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 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: Redmi Note 12 Pro/Pro+ / Pro+ 5G / Discovery 5G ROM Topics Xiaomi Devices Index
Download Redmi note 12 pro / pro+ / explore (ruby) China MIUI 14 V14.0.3.0.SMOCNXM Recovery ROM with Android 12.0. Firmware size is 5.3 GB.
Download Redmi note 12 pro / pro+ / explore (ruby) China MIUI 14 V14.0.3.0.SMOCNXM Fastboot ROM with Android 12.0. Firmware size is 7.3 GB.