Xiaomi Mi 9 smartphone was launched in February 2019. The phone comes with a 6.39-inch touchscreen display with a resolution of 1080x2340 pixels and an aspect ratio of 19.5:9. Xiaomi Mi 9 is powered by a 2.84GHz octa-core Qualcomm Snapdragon 855 processor. It comes with 6GB of RAM. The Xiaomi Mi 9 runs Android 9.0 and is powered by a 3300mAh battery. The Xiaomi Mi 9 supports wireless charging, as well as proprietary fast charging.
As far as the cameras are concerned, the Xiaomi Mi 9 on the rear packs a 48-megapixel primary camera with an f/1.75 aperture and a pixel size of 0.8-micron; a second 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.0-micron and a third 16-megapixel camera with an f/2.2 aperture and a pixel size of 1.0-micron. The rear camera setup has autofocus. It sports a 20-megapixel camera on the front for selfies, with an f/2.0 aperture and a pixel size of 0.9-micron.
The Xiaomi Mi 9 runs MIUI 10 based on Android 9.0 and packs 128GB of inbuilt storage. The Xiaomi Mi 9 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Xiaomi Mi 9 measures 157.50 x 74.67 x 7.61mm (height x width x thickness) and weighs 173.00 grams. It was launched in Deep Grey, Holographic Illusion Blue, and Holographic Illusion colours.
Connectivity options on the Xiaomi Mi 9 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, NFC, USB Type-C, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor. The Xiaomi Mi 9 supports face unlock with 3D face recognition.