If WiFi is an option on the phone, look for the local WiFi network name broadcast by the Hydra light itself. It will say something like Hydra followed by the MAC address/SN. Once connected to that local WiFi network, try finding it in the AI app. If it's a used unit, you can hold the power button down (for around 10 seconds I think) to reset it to defaults. When powered on or reset the light on the back will change color. It takes a couple of minutes to boot then it should show up.