Android recovery is a bootable partition, which lets you apply official system updates from SD Card, factory reset your phone or wipe its cache partition.
How to enter Asus Fonepad 7 recovery mode ?
Power off your device.
Boot in recovery mode by pressing and holding Volume Down and Power Button at the same time.
Release all buttons when the Asus Fonepad 7 screen flickers and in a few seconds the Recovery screen will appear.