There are many ways to upgrade the firmware of your JB-199.  Here we describe one of the ways, probably the simplest way, to upgrade your JB-199.

• Connect a PC monitor, a keyboard and a mouse to your JB-199. Also connect your Internet DSL cable to JB-199.
• Start your JB-199, and by pressing ALT-F4 buttons, exit out to Windows desktop.
• Using Internet Explorer, go to www.cavsusa.com and download the upgrade file. Be sure to select the correct webpage for your JB-199 player as there are a few different types of JB-199. Also we recommend the full upgrade version to be downloaded.
• Save the download on your JB-199 desktop.
• After the download is complete, double click on the downloaded file (on the desktop) to begin the upgrade. 
• Follow the instruction given on the display to complete the upgrade.

After the upgrade id complated, JB-199 program will automatically restart.  Go to MENU > 1.Jukebox and check the new version number of JB-199 program.

If you wish to go back to the old JB-199 firmware, double click on the downloaded file (on the desktop). Select the old version of the firmware on the left top corner of the display to re-install the old version.