Xiaomi is popular brand of China and keeps launching flagship smartphones in cheap rate. Recently Xiaomi MI4 has been launched in some of countries, but not globally. If you missing the device, you can get it through online retailer of gearbest for just US $286. The actual price of the device is $660.21, but after a big 57% discount, you are getting it in only $286.
Mi4 sports 13-megapixel back camera with flashlight and auto focus, and further it has an 8MP front camera for selfies. It comes unlocked and can be used with GSM, WCDMA, and FDD-LTE networks that supports GSM 850/900/1800/1900, MHz WCDMA 850/900/1900/2100MHz and FDD-LTE 1800/2100MHz operating frequency bands; which will be compatible to most of countries carriers.
The Xiaomi Mi4 has a single micro-SIM slot and features a big 5-inch Full HD display with 1920 x 1080 pixels of resolution, that calculates to 441 PPI pixels of density. It comes with a powerful 3080mAh battery. It also supports gesture and gravity sensors. The handset measures 13.92 x 6.85 x 0.89 cm / 5.47 x 2.69 x 0.35 inches and weight is approx 0.149 kg. It also runs Android 4.4.2 KitKat operating system, which will be further upgraded to Lollipop.
With a great combination of hardware, the Xiaomi MI4 can be purchased online through gearbest for just US $286. After the payment, retailer promises to ship the device within 4 to 10 business days. Still you have any question, you can let me know via comments or you can also approach to retailers page.