| There is too much noise in my recordings | iAUDIO U7 | 2020/01/03 |
| Memory capacity of the player is different or smaller than specified. | iAUDIO U7 | 2020/01/03 |
| The player does not turn on | iAUDIO U7 | 2020/01/03 |
| What's in the package? | iAUDIO U7 | 2020/01/03 |
| How to do the initial set-up | iAUDIO U7 | 2020/01/03 |
| Volume does not go up to more than level 7. | iAUDIO U7 | 2020/01/03 |
| Notes on charging the battery | PLENUE L | 2019/12/26 |
| Characters on the display are corrupted | PLENUE L | 2019/12/26 |