Is cellular data the same as mobile data?
Is cellular data the same as mobile data? Mobile data (also called “wireless” or “cellular” data) is how you get online when you're not on a wired or Wi-Fi connection. While some mobile users have unlimited monthly data plans, others will have finite amounts of data each month, or even pay for blocks of data as they go.
Should I turn off cellular data when Travelling internationally?
If you're relying on Wi-Fi, it's important that you turn off cellular data on your phone, otherwise you may inadvertently rack up international roaming charges. Skype, Google Hangouts and other apps also let you make free video calls with other users over an internet connection.