This document describes a mobile phone called the L4 that comes with a large 2500mAh battery for extended battery life. It has a 1.3 megapixel camera, FM radio, MP3/video player, Bluetooth, GPRS connectivity, memory card slot, torch, and supports WhatsApp. The L4 is available in gray, silver, and black colors and measures 124mm by 52.5mm by 12.2mm.