| Characters on the display are corrupted. | COWON C2 | 2011/06/01 |
| The player does not play properly when memory is full. | COWON C2 | 2011/06/01 |
| How can I change earphone mode to speaker mode? | COWON C2 | 2011/06/01 |
| Does COWON C2 support multi-tasking? | COWON C2 | 2011/06/01 |
| Supported Image file format? | COWON C2 | 2011/06/01 |
| How long COWON C2 is able to play continuously? | COWON C2 | 2011/06/01 |
| My COWON C2 doesnt play a video file and says that it is not supported. | COWON C2 | 2011/06/01 |
| How can I display lyrics? | COWON C2 | 2011/06/01 |