Unusual in advance for your presentations, Apple sent out invitations to a press event in San Francisco, USA, for the March 7, where is expected to unveil a revamped edition of its popular iPad tablet . Despite the confirmation, details are unknown and features that will have the equipment.

The invitation from Apple was leaked on the Internet and calls to the press at Yerba Buena Convention Center in downtown San Francisco. "We really have something to do. And touch" details the calling card is only an image of an iPhone screen with the March 7 marked on the calendar.

The company, true to form, avoided further the contents of the presentation, but it is assumed that revolve around a new version of the iPhone.

Both 2010 and 2011, Apple spent his first event of the year to discuss their revolutionary tablet with the idea that novelty hits the market between March and April.

In turn, the U.S. media speculate that the new iPhone is equipped with the same clarity of display the latest versions of iPhone, a technology called Retina Display, along with a better camera and the possibility of 4G connection.