If you want to perform the Hard Reset operation on your device, press and hold the Power button for a while and then tap on the Power off option to switch it off.
Next, press and hold the Volume Up key together with the Power button and release both of them when you can see the logo.
Once the Android image appears on your screen, press both the Volume Down button and the Power key.
Next, using the Volume keys to scroll and the Power button to choose, select the Wipe data/Factory reset option.
On the following screen, go to the Yes -- delete all user data option.
At last, you will simply have to tap on the Reboot system now option to restart your tablet.
Well done! Now you know how to perform the Factory Reset operation on your INTEX i-Buddy 3.