The Stable update V14.0.2.0.TMTMIXM has been officially released for Redmi Note 12 4G (codename is tapas). 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 4G ROM Topics Xiaomi Devices Index
Download Redmi note 12 4g (tapas) Global MIUI 14 V14.0.2.0.TMTMIXM Fastboot ROM with Android 13.0. Firmware size is 368 Bytes.