Learn how to temporarily disconnect from a Wi-Fi network using the Control Center on your iPhone. You're connected to a Wi-Fi network with a weak signal, and you'd like to turn off Wi-Fi on your iPhone. Of course, you could open your Settings app, open Wi-Fi, disconnect from your current Wi-Fi network, and join another or switch to cellular. But did you know there's a much faster way to accomplish this task by using the Control Center? Here's how