RE: 1) Pls check your camera is lower power or turn off. If the power less than 10%, the camera will be easy offline. If the camera turn off, it will keep offline all the time. 2) Pls check your router and feeder placement. Refer to Previous question to find a suitable place to make sure the WIFI strength is good enough. 3) Pls check your phone signal. 4) Pls check your phone data transmission. Especially updated the IOS or Android system. 5) Pls check App Firmware version is the latest. We will post the latest firmware version in Bilantan official community in Facebook.