"roaming data" is correct and usable in written English.
You can use it when referring to data that moves across networks, such as when a mobile phone user is in a different country and their data plan allows for no extra charges. For example, "My phone plan includes roaming data, so I can take my phone anywhere and still have internet access."
But that cap would still make the cost of using roaming data 100 times as much as downloading data in a home market, Mr. Dyson said.
The wholesale cap on roaming data charges, which limits what operators charge to carry each others' calls, would be halved to 25 euro cents a minute in July.
Even if you have a so-called bucket plan that's meant to simplify things — 450 minutes for $40, say — the bill is probably split into categories of minutes (in plan, out of plan, promotional, roaming), data charges, taxes, E911 fees and other cryptic line items.
Apps such as Mailbox and Haze have brought slick swipe-based controls to email and weather respectively; Camera+ has features that keen photographers love; Sunrise Calendar is a cleverer take on diary management; and Opera Mini will save you lots of money on roaming data charges, for example.
"Our app doesn't require roaming data to record journeys, so users can travel the world without having to worry about racking up roaming charges," said Saulat.
Onavo, as we just reported, is a magical iPhone app which literally shrinks the data your phone uses and thus your roaming data bill when you are travelling.
Avoid overage charges, roaming fees, data throttling and poor performance, without draining your battery.
Mr. Felton still paid several hundred dollars in roaming and data charges to use his phone on the trip, but the bill was less than half the $1,000 or so that he used to spend using a rental phone.
Unless you subscribed to roaming and data options offered by your cell company while abroad, you won't be able to use your electronic devices.
That's the bitter lesson I learned after returning home from Greenland and getting a $1,106 bill from Sprint for international data roaming, even though data roaming on my iPhone 4S was turned off.
There are currently no retail limits on so-called data roaming in Europe, and the average retail data roaming charge is €2.50 per downloaded megabyte, according to the commission's report.
