Samsung’s new all-metal Galaxy A3 and Galaxy A5 are important devices for the company, but it has been unable to launch the two devices on time thanks to production issues that come with trying to make full metal phones for the first time. The Galaxy A5 is already available in China and is expected to be followed by the A3 sometime this year, but Samsung has given no official word on when the two devices will make their way to other markets. But...