How to Stop Your iPhone or iPad From Automatically Connecting to a Wi-Fi Network

Your iPhone or iPad automatically joins Wi-Fi networks you’ve previously connected to. You can now override this behavior, telling your device not to automatically connect to a specific Wi-Fi network. Your iPhone or iPad will remember its passphrase and other details, but will only connect when you choose to do so.

from How-To Geek http://ift.tt/2iZnsO3