| 问题 | 提问时间 | 答复内容 | 回复人 | 回复时间 |
|---|---|---|---|---|
| Cable cast shows iphone 11 gui, but all videos are black no picture or sound. casting does not work at all just hangs. latest firmware. | 2022-05-07 | Hello customer, thanks for your question. May I ask if you can use it normally when you use wireless screen mirroring? We have two USB ports on our projector, you can check to see if you are connecting to the correct one. Please send us your specific situation and our technical department will assist you in solving it. | COOAU projector-hqs | 2022-05-12 |