Sony Xperia Tipo Dual SIM ST21i2 Black Factory Unlocked from Sony by New Generation Products LLC., 2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & 2 Display - 320 x 480 pixels, 3.2 inches (~180 ppi pixel density) Display Protection - Scratch-resistant glass Internal Memory - 2.9 GB storage (2.5 GB user available), 512 MB RAM OS - Android OS, v4.0.3 (Ice Cream Sandwich)