firmware upgrade instructions
1.- Download the latest firmware file
2.- Copy into your micro-SD card
3.- Make sure the MISTRAL player is OFF
4.- Insert micro-SD card into the MISTRAL player
5.- Turn the MISTRAL player on
6.- The display should automatically display "FIRM x.xx" and begin the upgrade process. Once finished the unit will restar by itself.

firmware
The current firmware is 1.0