1. Make sure you are logged into the correct account.
2. Check the Internet connection of your mobile phone (browse other websites to ensure a good Internet connection). Switch from Wi-Fi or 5GHz to eliminate any network problems, then refresh the page to try again.
3. You can try to view the live video using the EZVIZ Studio. If the device cannot be viewed, try rebooting the device.
4. If you get the prompt "Device is busy, please try again or restart the device.", it usually indicates that the camera has reached the maximum connection at the same time. Please check if you have shared your account or device with your family or friends. If so, please advise them to log out of the account. If this is not the case, please power off the device and power it up again, then this issue should be resolved.