XiaoMi Mi2 and XiaoMi Mi2A are running on MIUI V5 based on Android 4.1 Jelly Bean while the HongMi and XiaoMi Mi3 with Tegra 4 are running on Android 4.2 Jelly Bean. The Snapdragon 800 XiaoMi Mi3 is running on Android 4.3 Jelly Bean, which is the latest among all XiaoMi smartphones. How about...