First, please check that you have inserted the SD card into the camera correctly.
If so, check that local recoding is turned on and that the relevant recording mode is selected so that the camera can automatically record video that you can view in playback.
You can operate according to the following steps:
1. Open the real-time video interface,
2. Click the edit icon in the upper right corner,
3. Click Recording Settings,
4. Turn on the Local recording,
5. Click the recording mode,
6. Select Non-Stop or Event recording