The Stable update V126.96.36.199.QDTCNXM has been officially released for Mi 8 Lite (codename is platina). 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: Mi 8 Lite ROM Topics Xiaomi Devices Index
Download Mi 8 lite (platina) China MIUI 12.5 V188.8.131.52.QDTCNXM Recovery ROM with Android 10.0. Firmware size is 2.2 GB.
Download Mi 8 lite (platina) China MIUI 12.5 V184.108.40.206.QDTCNXM Fastboot ROM with Android 10.0. Firmware size is 2.9 GB.