The two major smartphone operating systems are Android and iOS (iPhone/iPad/Pod touch), with Android being the market leader worldwide. Although more Symbian smartphones were sold around the globe than any other, in 2011, Nokia switched from its native Symbian OS to Windows Phone. However, Windows never acquired much market share (around 1% as of 2017). At one time the smartphone market leader, BlackBerry was unable to hold its customers even with innovative new models in 2013. Tablets Are a Similar Story iPads outsold Android tablets until 2014, when, according to IDC, Android became the worldwide market leader with 68% of shipments. See iPhone, Android, Windows Phone, BlackBerry, Symbian and how to select a mobile device.