ABI Research analyst Michael Morgan once again has provided FierceWireless with a look at how the world's 14 largest branded cell phone makers fared in the second quarter of 2013, providing sales data as well as insight into their strategy and competitive position in the market. While most research firms look at only the top five handset or smartphone players' performance in a given quarter, ABI goes deeper than that by looking at how the smaller players are doing. One of the key trends that emerged in the period was the fierce battle underway in China, the world's largest smartphone market. Overall market leaders such as Samsung Electronics, Apple (NASDAQ:AAPL) and LG Electronics are looking to steal turf in the market, and are waging an increasingly tough battle against Chinese-based OEMs like ZTE, Huawei, TCL, Lenovo, Yulong (Coolpad) and Xiaomi, as those brands move into the middle and higher ends of the market. For an in-depth look at how handset makers fared in the second quarter, check out this special report.