In an update to its Galaxy Note7 recall, Samsung announced that more than 500,000 new replacement devices would be available for exchange at U.S. retail outlets on Wednesday. The company also announced the rollout of a software update that will display a green battery icon on the screens of new Note7 devices to distinguish them from those subject to recall. "We are delivering as promised and moving quickly to educate consumers about the recall and make new Note7s available," said Tim Baxter, president of Samsung Electronics America.