The Stable update V11.0.6.0.QGHINXM has been officially released for POCO X2 (codename is phoenixin). 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: POCO X2 ROM Topics Xiaomi Devices Index
Download Poco x2 (phoenixin) India (IN) MIUI 11 V11.0.6.0.QGHINXM Recovery ROM with Android 10.0. Firmware size is 2.6 GB.