1. Check the pins inside the connetor on camera tail.

2. If the pins were damaged or oxidised, please clean the pins to have a try. If it still cannot work, the camera is defetive.

This issue was caused by waterproof lid, please follow the picture below to re-install the waterproof lids of all your cameras to prevent more cameras from being damaged by water.

3. If the pins are good, but still cannot work stably. Please contact tech support at support@onwote.com to check the firmware.