WWDC 2015 will take place between June 8 and 12 according to the Apple company, and then we will see for the first time a presentation of iOS 9 si OS X 10.11, those from Cupertino choosing the motto the epicenter of change for this conference, so we can expect a series of extremely interesting news that could completely change the way we use iDevices. Because Apple created a very interesting logo for the event, today I provide you with a series of wallpapers that have it in the center, they can be used both on iPhone, iPad or iPod Touch, as well as on Mac.