THIS IS MY SECOND TIME I PUT THIS QUESTION ,FIRST I GOT AN ANSWER FROM SONY XPERIA SUPPORT ,BUT LOOKS LIKE THEY DIDN'T KNEW ALL THE DETAILS (I SAID THEN THAT THE PHONE STOPPED RESPONDING AFTER AN APPLICATION INSTALLATION FAILURE ,APPEARS ,ON A LIGHTED SCREEN, 'SONY ERICSSON' AFTER THAT IT BLOCKS...