Xiaomi Mi 9 phone was announced in 2019, February 20 by Xiaomi and was launched in March, 2019. The Xiaomi Mi 9 phone has 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in) (height x width x thickness) dimensions with weight 173 g (6.10 oz) grams. It comes in Lavender Violet, Ocean Blue and Piano Black colors.
The operating system which runs on the phone is Android 9.0 (Pie), upgradable to Android 10, MIUI 12. The display size of the phone is 6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio) with resolution of 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) pixels. The network technology of the phone is GSM / CDMA / HSPA / LTE with 2G bands GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2, 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 and 4G bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 39, 40 – Global.
The phone has rear camera with specs, 48 MP, f/1.8, 27mm (wide), 1/2.0″, 0.8µm, PDAF, Laser AF 12 MP, f/2.2, 54mm (telephoto), 1/3.6″, 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0″, 1.0µm, PDAF and the front camera with specs , 20 MP, f/2.0, (wide), 1/3″, 0.9µm. The camera is featured with Dual-LED flash, HDR, panorama. The phone is powered with a battery of 3300 mAh capacity, Octa-core (1×2.84 GHz Kryo 485 & 3×2.42 GHz Kryo 485 & 4×1.78 GHz Kryo 485) CPU and Adreno 640 GPU. As for as the RAM and the ROM of the Xiaomi Mi 9 phone are concerned, it comes with 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM. The list of sensors, price and many other specifications are given below.