Though the Xiaomi Mi 4i comes in colorful options, only the white colored Mi 4i was initially launched in India. And now the company will make the Dark Grey color version available on 16th June 2015 at 2PM. Yes you need to register for the sale.
I am not sure if the sale will be on Flipkart or if it will be from Mi.com website. The Xiaomi Mi 4i houses the qualcomm snapdragon 615 2nd gen octa core processor coupled with Adreno 405 GPU. It is running MiUi 6 based on Android 5.0.2. This dual SIM handset supports 4G. There is 2GB RAM and 16GB of internal storage.
Touch screen of 5 inches comes with sunlight display technology supporting 1920 x 1080 pixels resolution. When it comes to the camera there is a 13Mp AF on the rear using SONY IMX214 sensor and a 5MP camera on the front. Rear camera comes with dual tone LED flash support.
Key features are 4G, 3G, 2G, Wi-Fi, GPS and Bluetooth. The Mi 4i gets power from a 3120 mAh non-removable battery.
If you are interested in buying the Dark Grey version it will be available on 16th June at 2PM, you need to register here.