Do I need to be connected to WiFi to scan an Enchanted Key? You will need a strong internet connection for the Enchanted Keys to scan, but this does not need to be a WiFi connection. Related articles An Enchanted Key isn’t scanning, what can I do? I missed an Enchanted Key and have left the location, what can I do? Where can I find Enchanted Keys? What are Enchanted Keys? What is Harry Potter Fan Club Gold membership?