COWON D20 Firmware V1.04
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_point.gif)
Warning/Caution
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_red.gif)
Back up any important data before firmware upgrade.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_red.gif)
Please remove the MicroSD card before firmware upgrade.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_red.gif)
Please make sure the AC adapter is connected to the device during firmware upgrade.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_red.gif)
Do not turn off the player before firmware update is done.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_edit.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_green.gif)
Modified errors of moving up and down on file list menu.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/dot_green.gif)
Modified errors of devices sudden stop when it is about to play FLAC files which are not
supported
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_download.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_upgrade.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_01.gif)
After unzip the firmware file, select all files in the firmware folder and right click to copy.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/FWUP_D20_01.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_02.gif)
Connect COWON D20 to the PC by USB cable.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/FWUP_D20_02.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_03.gif)
When connection is made, paste the firmware files to the root folder of COWON D20.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/FWUP_D20_03.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_04.gif)
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.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/FWUP_D20_04.gif)
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/title_05.gif)
Make sure the COWON D20 is turned off and then turn on the device. COWON D20 will automatically
start firmware upgrade.
![](http://support2.cowon.com/contents/dn2/data/C08/D20/images/FWUP_D20_05.jpg)
NO | SECTION | MODEL | SUBJECT | DATE |
---|---|---|---|---|
Notice | PLENUE | PLENUE D3 | PLENUE D3 Firmware V1.00 | 2021/03/29 |
Notice | PLENUE | PLENUE R2 | PLENUE R2 Firmware V1.21 | 2020/05/27 |
Notice | PLENUE | PLENUE J | PLENUE J Firmware V1.12 | 2020/04/20 |
Notice | PLENUE | PLENUE 2 | PLENUE 2 Firmware V2.40 | 2020/02/10 |
Notice | PLENUE | PLENUE 2 Mark II | PLENUE 2 Mark II Firmware V2.40 | 2020/02/10 |
Notice | PLENUE | PLENUE L | PLENUE L Firmware V1.40 | 2020/02/04 |
Notice | PLENUE | PLENUE M2 | PLENUE M2 Firmware V1.40 | 2020/01/06 |
Notice | AutoCapsule | AQ2 | AutoCapsule Smart Manager V2.9.0 | 2019/11/07 |
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