AFTER THE SUCCESS of the Mi3 in India, Xiaomi has now announced the launch of the Mi4. The Mi 4 has a stainless steel body and features a 5-inch IPS display with 1920 x 1080 pixels resolution at 441 ppi. It has a Corning Gorilla Glass 3 protection display. The smartphone runs on a 2.5-GHz quad-core Qualcomm Snapdragon 801 CPU and has 3 GB of RAM. It runs on Android 4.4.3 KitKat operating system and is loaded with the MIUI 6 user interface. It packs in a 3080 mAh battery and quick charge 2.0.