The solution is simple – just turn off your cellular data or switch to airplane mode! While VIOFO doesn’t have an official statement about this yet, this is your smartphone "turning down" the WiFi source, since the dash cam doesn’t provide a true WiFi connection.
Whether you’re using an Android or Apple smartphone, the steps are similar. Simply go to the settings of your phone, locate the “Cellular Data” section, and toggle it off. Apple phones, for example, have a quick switch to airplane mode at the home menu of the phone’s settings, and can even be found in the easily accessible phone widgets section. Airplane mode will disable your Cellular Data, though sometimes it will turn off your WiFi too, which you’ll need to toggle back on.
After this is done, reconnect to the VIOFO app, and see if the live-view is up and running! If not, try relaunching the app, verifying your wifi connection to the camera, and ensuring the VIOFO App has the necessary local network permissions to connect.
The reason that disabling the Cellular data of your phone works, is because this prevents your phone from referencing the cellular data for an internet connection, which cannot be found with the dash cam wifi, as it’s not a true internet connection. Some phones will automatically switch from this untrue internet connection (The dash cam) over to the cellular data, not understanding the true purpose of the dash cam wifi. In this sense, this issue stretches to other camera brands with wifi networks as this is standard with how they operate, it just expresses itself in a unique way for VIOFOs.