This official MIUI 7.2 stock ROM itself can be flashed on several methods, using either fastboot or stock recovery or MiFlash tool.
Speaking of updating, previously this blog revealed the full instructions to deliver it to your device. Those who are interested to read the instructions can be heading to the following page.
How to install MIUI zip files on Xiaomi devices via OTA update.
And the MIUI 7.2 stock firmware is now rolling out through the supported nations and regions, your turn could be soon.
But wait up! The rolling is only available for the non-rooted and bootloader locked Xiaomi device.
Those whose device's rooted and bootloader unlocked should go on the manual installations.
Do not worry, because you will not find any difficulty to do so, just download one of the MIUI 7.2 stable ROM from below link based on your device, then head to the instructions post above. You will then find your Xiaomi updated with latest firmware.
Why you need to update?
Because the MIUI 7.2 brings load of major updates and improvements, you are fully recommended to take it. Features, bug-fixes, great changes and performance improvements are all included. So then let it behind.
Download official MIUI 7.2 ROM for Xiaomi flagships.
Download MIUI 7.2 stock ROM for Mi4i.