The Stable update OS2.0.3.0.UMQTWXM has been officially released for Redmi Note 12 5G / Note 12R Pro (codename is sunstone). 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: Redmi Note 12 5G / Note 12R Pro ROM Topics Xiaomi Devices Index
Download Redmi note 12 5g (sunstone) Taiwan (TW) HyperOS OS2.0.3.0.UMQTWXM Recovery ROM with Android 14.0. Firmware size is 4.3 GB.