We’re all familiar with how costly data can be on our iOS devices if we’re using them to get on the internet abroad with no access to a Wi-Fi hotspot. To prevent nasty charges, most of us turn off data roaming and avoid using our devices for the internet.
However, there’s a nasty bug in Apple’s iOS operating system that could cost you a fortune while you’re on vacation by allowing you to download apps over a 3G data network even with the feature turned off.
