Can someone make this a sticky? It seems there is a ton of confusion about this. This will completely clear out your contact history and delete text messages you THINK you have already deleted. They are all STILL THERE!!! This will also clear email and phone history too. -Open Contacts (FROM APP DRAWER), It makes a difference!! Repeat. IT MAKES A DIFFERENCE. -Swipe the screen from left to right(with finger). Red dot at top needs to signify you are at the screen all the way to the left). -Menu button -Clear history -Clear Easy as can be.