If the camera is offline, we can check this situation based on the status of the indicator light on the front of the camera.
1.If the red/white light flashes, please add the camera again to the phone and then reconnect it just like you used it for the first time.
2.If the indicator light is solid red or there is no light, please try to use another power cord and plug, then press the reset button on the back of the camera to reset the camera, and check if the red light flashes and then re-connect the camera.
3.If the red and green/blue lights flash alternately, please unplug the adapter of router and camera and then wait 3 to 5 minutes before plugging the camera in again, then press and hold the small reset button on the back of the camera for about 5 seconds to reset the camera until you hear prompt tone to reset it and the light flashes red, please re-add it to your APP just like you set it up for the first time.
If you still have questions, please contact customer support for further assistance.