① Restart your phone and router

② Switch off the wifi on you phone and use the phone's data to have a test

③ Check and found that if camera's firmware version is update.

Open the camera's real-time video interface, click "..." in the upper right corner, scroll down, and you can see the"Firmware Information"

④  Clear the app cache Click on "Me" on the app homepage, then click on the settings symbol in the upper right corner, and click on "Clear Cache"