Samsung Galaxy S II I777
 Smart Phone OS: Android OS, v2.3.4 (Gingerbread);  Chipset: Exynos 4210 Dual;  CPU: Dual-core 1.2 GHz Cortex-A9;  GPU: Mali-400MP4;  Type: Super AMOLED Plus capacitive touchscreen, 16M colors;  Screen Size: 4.3 inches (~63.3% screen-to-body ratio);  ...
Samsung Galaxy S II X T989D
 Smart Phone OS: Android OS, v2.3 (Gingerbread), upgradable to v4.0.3 (Ice Cream Sandwich);  Chipset: Qualcomm APQ8060 Snapdragon S3;  CPU: Dual-core 1.5 GHz Scorpion;  GPU: Adreno 220;  Type: Super AMOLED Plus capacitive touchscreen, 16M colors;  Scr...