I have problems with a software stereo jensen that mexico is known as uv8, but the page appears as a model jensen vm9312, problems appeared when installing the firmware update TUNER MUTE.EXE. INSTALL THE SOFTWARE UPGRADE MUTE.EXE TUNER AND AUDIO runs out, BOTH IN THE DEPARTURE OF THE HIGH AS LOW AS WELL AS THE ROLE OF RADIO ALSO runs out AUDIO; THESE OTHER WORKS WELL, HAVE VIDEO AND MAKES ALL OTHER FUNCTIONS OF AUDIO BUT NOTHING, AND TO REVIEW ALL CONNECTIONS AND WELL, THE STEREO TO WORK WELL AFTER THE INSTALLATION OF SOFTWARE TUNER MUTE.EXE, LE INSTALL FIRMWARE UPDATE ON THE PAGE OF JENSEN AND AUDIO runs out.