Ubergizmo | Pantech's New Burst Smartphone To Run On AT&T 4G LTE LAPTOP Magazine (blog) LAS VEGAS – Pantech today announced that it is teaming with AT&T to bring its first 4G LTE smartphone to market in the form of the 4-inch Pantech Burst. Powered by a 1.2-GHz dual-core processor and offering 16GB of internal memory expandable up to 32GB ... Pantech Burst Android Smartphone Pantech Burst budget 4G LTE smartphone for AT&T introduced Cellular Vendors Shorten The Handset Lifecycle |