Taiwan-based electronics manufacturer Asus on Monday unveiled ZenFone Selfie smartphone with a 13MP front-facing camera. The dual-SIM device is powered by a Qualcomm Snapdragon 615 processor and comes with 2GB and 4GB RAM options. The 5.5-inch LCD display smartphone also features a 16GB internal storage and a 13MP autofocus rear camera with dual-LED (dual-tone) flash.