COWON D20 delivers the ultimate multimedia experience with the high quality
sound of JetEffect 5 and stable Touch Display. Also the device contains smart
functions of Picture, FM Radio, Documents, Flash Player, Voice Recorder, and
Built-in Speaker. Compact size, the longest playback in its class, refined dual
theme GUI and tactile button define COWON D20 as an unbeatable multimedia
device. Refresh your life with COWON D20.
High Quality, Vivid Super Sound with JetEffect 5
Longest playback time: Up to 90 hours for Music and 13 hours for Video
16M Color Touch Display
Refined Dual Theme User Interface
Built-in Speaker, Voice Recorder, Flash Player and SD Card Slot
Modified battery level indicator
After unzip the firmware file, select all files in the firmware folder
and right click to copy.
Connect COWON D20 to the PC by USB cable.
When connection is made, paste the firmware files to the root folder of
Click [Safely Remove Hardware] icon in the tray at the lower right
corner of your computer screen to computer screen to disconnect the device
from the PC.
Make sure the COWON D20 is turned off and then turn on the device. COWON
D20 will automatically start firmware upgrade.
Back up any important data before the firmware upgrade.
Please remove MicroSD card before the firmware upgrade.
Please make sure the AC adapter is connected while upgrading firmware.
Do not turn the player off before the firmware update has been