1,dual core 1.7GHz 1G RAM+4GB ROM 2,4.0" android 4.0 854*480 3,8MP front+2MP back camera 4,1750mAh multi-language XIAOMI M1S Unlocked 3G Mobile phone 4.0" android 4.0 dual core 1.7GHz 8MP 2MP Dual cameraXiaomi M1S compare with Xiaomi M1 Xiaomi M1SXiami M1CPUrateUpgrade editiondual core qualcomm Snapdragon MSM8260 1.7Ghzdual core qualcomm Snapdragon MSM8260 1.5GhzRAM/ROM1G RAM+4GB ROMsameScreen ...