Earlier this month while going through our battery test of the iPhone 5s, we noted that on some occasions, the smartphone suffered from quick battery drain. Today, in a statement to The New York Times, Apple has acknowledged that a small number of iPhone 5s devices are indeed affected by such an issue. According to spokesperson from Apple, a manufacturing issue sits at the heart of the...
Source: http://www.gsmarena.com/apple_acknowledges_a_battery_issue_in_a_small_number_of_iphone_5s_units-news-7089.php