Samsung Galaxy S6 Duos 64GB Smart Phone OS: Android; Shape: Bar; SIM: Dual SIM (Nano-SIM), Dual Standby; Processor Speed: Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57; Internal Storage: 64GB; RAM: 3GB; External Storage: No; Battery life: Talk time: Up ...