Nobody wants to come home from holiday to a phone bill that costs more than the trip itself. Data roaming has stung millions of travellers, and the charges are frankly outrageous. Some networks charge £6 per megabyte abroad. That’s £6,000 per gigabyte, enough to book another holiday. Your mobile provider knows you need your phone when you travel. They can charge whatever they want. But you can beat these ridiculous fees if you know the tricks. Why Your Phone Is So Important When You Travel Your phone does everything now. You check work emails from a Parisian café, share beach…