| What are bundle accessories for COWON C2? | COWON C2 | 2011/06/01 |
| Memory capacity of the player is different or smaller than specified. | COWON C2 | 2011/06/01 |
| Do I have to back up my data before I send my device to repair shop? | COWON C2 | 2011/06/01 |
| I would like to set the device as factory default. | COWON C2 | 2011/06/01 |
| I cannot charge the battery. | COWON D3 | 2011/01/31 |
| How long does it take to charge the battery? | COWON D3 | 2011/01/31 |
| The player does not turn on. | COWON D3 | 2011/01/31 |
| I cant turn off my device. | COWON D3 | 2011/01/31 |