Pantech Co., South Korea's smallest smartphone maker, said Thursday it will release the latest model of its flagship Vega lineup next week, aiming to take a larger slice of the market currently dominated by Samsung Electronics Co. and LG Electronics Inc. The Vega Iron2, with a 5.3-inch Full HD Super active mode organic light emitting diode (AMOLED), is equipped with the quad-core Snapdragon 801 and runs on the Android 4.2.2 Kitkat operating system