Download latest Android 4.4.4 KitKat firmware for Xiaomi Mi Pad tablet from here, here or from here.
Archive name: Xiaomi MiPad 4.4.4 fw
Archive file size: 347 MB
Model: Xiaomi Mi Pad tablet
Platform: Nvidia Tegra K1
Build number: mocha-user 4.4.4 KTU84P 5.2.6 release-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.