Last Updated: Jun 11, 2013
Charges will vary depending on the amount of data you send and receive. All data services are billed by the kilobyte when you travel internationally. The current rate for data roaming in GSM network-countries is 1.8 cents per kilobyte.
The number of kilobytes you use will vary depending on the size of message or download. Here are some average file sizes to give you an idea what charges you might incur: