It’s best phone branded and 6 inch best phone it used all feature have 4g LTE etc, 5000 mAh battery. The dual-SIM ( Nano-SIM) Samsung Galaxy A9 Pro runs Android 6.0 Marshmallow, sports a 6-inch full-HD ( 1080x1920 pixels) Super-Amoled display, and is powered by a 1.8GHz octa-core Qualcomm Snapdragon 652 processor. In terms of optics, the smartphone bears a 16-megapixel rear camera with LED flash, an f/1.9 aperture, and optical image stabilisation ( OIS) , apart from an 8-megapixel front camera that also bears an f/1.9 aperture.The Samsung Galaxy A9 Pro supports 4G, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth v4.2, USB 2.0, and NFC in terms of connectivity options. Sensors on the phone include proximity sensor, ambient light sensor, accelerometer, magnetometer, and gyroscope. The company is also touting fast charging capabilities. It bears a fingerprint sensor on the home button.