AT & T and T - Mobile will share networks in New York and New Jersey . The carrier said its networks were mostly doing well , but there were serious problems in lower Manhattan and general problems throughout New York City . Users of the two companies will automatically use the strongest network in their area . The company estimates that a quarter of all transmission towers are down in the areas impacted by Sandy .
AT & T and T - Mobile will share networks in New York and New Jersey . Users of the two companies will automatically use the strongest network in their area . The company estimates that a quarter of all transmission towers are down in the areas impacted by Sandy .