Wi-Fi Assist

In case you have and iOS 9 downloaded on your phone, you should know that this version automatically downloads and installs an option called WiFi Assist, that consumes intenet units from your bundle, even when you're connected to WiFi.

To disable Wi-Fi Assist:

Settings > Mobile Data > Wi-Fi Assist OFF

Relevant Questions

General Support FAQs

How can I change the network from my USB? Can I use my Vodafone USB also in Roaming? My Vodafone App? Your best friend! App Auto Updates? Choose the time when yourself!