The Stable update V126.96.36.199.TLMMIXM has been officially released for Redmi K40S / POCO F4 (codename is munch). 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 K40S / POCO F4 ROM Topics Xiaomi Devices Index
Download Poco f4 (munch) Global MIUI 14 V188.8.131.52.TLMMIXM Recovery ROM with Android 13.0. Firmware size is 3.8 GB.
Download Poco f4 (munch) Global MIUI 14 V184.108.40.206.TLMMIXM Fastboot ROM with Android 13.0. Firmware size is 6.8 GB.