The US Department of Homeland Security have announced enhanced security procedures for all flights to the USA. Therefore, if you are flying to the USA, any phones larger than 16cm in length, 9.3cm in width and 1.5cm in depth, laptops, tablets, e-readers, power cables and chargers may be checked. A device may be confiscated or destroyed if it shows signs of internal or external damage, it appears to have been tampered with, it cannot be removed from a protective case, it doesn't have sufficient battery life or it triggers the explosives trace detection alarm. You should allow sufficient time to reach the boarding gates prior to the departure of your flight, to allow for these extra checks. Some airlines have updated their website to explain these screening procedures, which you can refer to. If you have concerns with any of your devices we would advise you to leave these items at home, or place them into your hold luggage.