Sony Xperia E1 dual Smart Phone OS: Android; Smart Phone OS ver.: v4.3 (Jelly Bean); Shape: Bar; SIM: Dual SIM (Mini-SIM), Dual Standby; Processor Speed: Dual-core 1.2 GHz Cortex-A7; Internal Storage: 4GB; RAM: 512 MB; External Storage: microSD, up to 32 GB; Bat...