Oi WiFi is a useful app for accessing tons of WiFi hotspots scattered around Brazil. Whether you're in an airport, a train station, a mall, or a public event, you can find a stable WiFi connection and connect to it without any issues.
With Oi WiFi, you can connect to the Internet even if you're not a Premium client. That said, you have to watch ads each time you want to load a website or other content.
If you don't know where to connect to WiFi in a given Brazilian city, you can also check the map to find the best areas. That way, you can easily find a good WiFi connection no matter where you are.
Oi WiFi is a great app for finding a WiFi connection on the go. Without a doubt, it's an excellent option for connecting to the Internet on your smartphone even when you don't have service.