Applied to C291 battery camera;

Cause 1:Ensure that the C291's  setting time is correct.

Cause 2: The Motion detection or full time recording are not set up properly.

For your cameras, please enable push notifications and manually trigger the camera. 

Cause 3: The SD card is not compatible or defective.

1) Please format the SD card or change another SD card.

2) Please refer to the requirements below to choose the right SD card for Reolink cameras, otherwise, the recording function may not work properly.

If you're not sure about whether your SD card is compatible, please take a photo of the SD card or share a product link then Contact us for help.