The Stable update OS1.0.2.0.TGACNXM has been officially released for Mi 10S (codename is thyme). 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: Mi 10S ROM Topics Xiaomi Devices Index
Download Mi 10s (thyme) China HyperOS OS1.0.2.0.TGACNXM Recovery ROM with Android 13.0. Firmware size is 4.1 GB.