| How to connect the one of earphones to your device | CR5 | 2020/01/09 |
| How to reset a remaining earbud and new one to your device | CR5 | 2020/01/09 |
| How to reset both earphones | CR5 | 2020/01/09 |
| Product makes a heat. | iAUDIO HiFi | 2020/01/08 |
| There is an error while copying the files. | iAUDIO HiFi | 2020/01/08 |
| The touch screen and buttons do not work property. | iAUDIO HiFi | 2020/01/08 |
| Memory capacity of the player is different or smaller than specified. | iAUDIO HiFi | 2020/01/08 |
| The player does not play properly when memory is full. | iAUDIO HiFi | 2020/01/08 |