If your router has two settings, please enable the 2.4GHz or 5GHz band. Make sure your router is set to 802.11 mode and wireless setting is b/g/n mixed. Make sure your router has the SSID Broadcast function enabled when you connect the machine with the app. You can close it after you connect successfully. Make sure DHCP function is enabled.
If you changed your Wi-Fi network, you need to connect Landroid Vision to the new network.
If you have a “Fritz! box” router, please make sure to activate “Allow communication between devices in same network” in the settings.
Router may have the incorrect settings.