Phones are now indispensable for refugees

SOMETIMES Hekmatullah, a 32-year-old Afghan, has to choose between food and connectivity. “I need to stay in touch with my wife back home,” he says, sitting in a grubby tent in the Oinofyta migrant camp, near Athens. Because Wi-Fi rarely works there, he has to buy mobile-phone credit. And that means he and his fellow travellers—his sister, her friend and five children—sometimes go hungry.

Such stories are common in migrant camps: according to UNHCR, the UN’s agency for refugees, refugees can easily spend a third of their disposable income on staying connected. In a camp near the French city of Dunkirk, where mostly Iraqi refugees live until they manage to get on a truck to Britain, many walk for miles to find free Wi-Fi: according to NGOs working there, the French authorities, reluctant to make the camp seem permanent, have stopped them providing internet connections. Some of the residents buy pricey SIM cards brought over from Britain, where buyers need not show an ID, as they must in France. A lucky few get airtime donations from charities such as “Phone Credit for Refugees and Displaced People”.

When refugees leave their...