Brits venturing abroad this winter could be in for a nasty shock when they return home to their mobile phone bill — moneysupermarket.com offers tips on how to avoid the price pitfalls when using your phone or dongle abroad.

Crystal Ski customers can this winter receive an essential ‘information pack’, including downloadable piste maps and details of rep services available in the resort, ready for their mobile phone. Crystal is replacing the traditional printed pack with an online pack which allows customers to access essential resort information up to nine days before departure from their PC or web-enabled iphone, BlackBerry and other devices.