SVEN PS-950 firmware update instructions To update the firmware, do the following: 1) Copy the XXXXXX.MVA firmware file to USB flash drive. The flash drive must be in FAT32 format, only the file with the firmware should be in the USB flash drive; 2) Turn on the speaker (in any mode); 3) Insert the USB flash drive into the USB port of the speaker; 4) "UPG" massage will appear on display; 5) Wait until "UPG" massage disappears; 6) Remove the USB flash drive from speaker; 7) If speaker is off turn it on; 8) The update is completed.