| COWON S9 UCI Developer's Guide V3 | COWON S9 | 2009/05/19 |
| COWON D2 Firmware V2.59 | COWON D2 | 2009/01/20 |
| COWON D2 DAB Firmware V4.59 | COWON D2 | 2009/01/20 |
| iAUDIO U5 Firmware V1.17 | iAUDIO U5 | 2008/11/14 |
| iAUDIO U5 Firmware V3.17 | iAUDIO U5 | 2008/11/14 |
| PLENUE J Firmware V1.11 | PLENUE J | 2020/03/24 |
| PLENUE R2 Firmware V1.12 | PLENUE R2 | 2020/03/05 |
| PLENUE J Firmware V1.10 | PLENUE J | 2018/07/26 |