ia whatsapp or iMessage, and your phone will automatically reboot itself (sometimes)! I wouldn’t recommend you to do this via iMessage because it kind of screw your iMessage up! But well, if you have done it and you can’t open up your messages, go to your photos and send an image to that person.Watch iphone 7 Read More Shut your friend’s iPhone with this code via messages

Have fun playing! (it can really be pretty annoying actually)

P/S: Found a new prank just for Android users, click HERE to find out!