High Quality Content by WIKIPEDIA articles! XPERIA is the name of Sony Ericsson's range of high-end smartphones. SOny Ericsson is a joint venture established on October 1, 2001 by the Japanese consumer electronics company Sony Corporation and the Swedish telecommunications company Ericsson to make mobile phones. THe stated reason for this venture is to combine Sony's consumer electronics expertise with Ericsson's technological leadership in the communications sector. BOth companies have stopped making their own mobile phones.