With this simple prank, you can fool people into thinking that you deleted all of their apps, as well as some system apps.
Step 1: Restrictions
Go to Settings, then Restrictions. Tap Enable Restrictions and enter a pass code.
Step 2: Turn Off Everything
Turn all of the switch buttons off.
Step 3: Disallow Apps
Go to Allow Apps Rated..., then tap Don't allow apps.
Step 4: The Result
The victim will wonder what happened to his or her apps!