| Fault type | Solution |
| No image on the rear camera | 1. Please identify whether the rear camera is inserted into the AV/IN port of the 70mai in-car product correctly and press it to the bottom. 2. Please identify whether the screen with current image is front-recorded for the main device. If so, switch to the rear-recorded screen manually in order to see the image from the rear camera. 3. If there is still no image while the above operations are correct, please contact the after-sales customer service. |
| The screen with rear image is blurred | 1. Please identify whether the protective film is removed from the rear camera. If not, please tear off the protective film and continue the use. |