Samsung GT-S5530U Internal memory: 30 MB; Primary display: TFT 2.2" 320 x 240 pixels 16M colors QVGA, 182 ppi; Secondary display: No; Memory Card: MicroSD, Up to 16 GB; Primary camera: 3.2 MP 2048 x 1536 pixels Auto-focus; Video: 320 x 240 pixels 240p@15fps; Secondary...