The Stable update OS3.0.0.4.WNLCNXM has been officially released for Redmi K70E / POCO X6 Pro 5G (codename is duchamp). 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 K70E / POCO X6 Pro 5G ROM Topics Xiaomi Devices Index
Download Redmi k70e (duchamp) China HyperOS OS3.0.0.4.WNLCNXM Recovery ROM with Android 16.0. Firmware size is 7.0 GB.