What's the best sim card for using iPhone 5S around Europe?
So I'm going to Europe in a couple of weeks and was wondering what my best option if for using my phone. I'm travelling through Italy, Austria, Czech Republic & France. Additionally, would I require a new sim card in those countries to avoid roaming charges or aren't then any in Europe for european sims?
Also, it's an iPhone 5S so I need a micro sim… Will that pose an issue? Can you buy sim cards at the airport in Rome?