Xiaomi Redmi Note 9 phone was announced in 2020, April 30 by Xiaomi and was launched in May, 2020. The Xiaomi Redmi Note 9 phone has 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) (height x width x thickness) dimensions with weight 199 g (7.02 oz) grams. It comes in Forest Green, Midnight Grey and Polar White colors.
The operating system which runs on the phone is Android 10, MIUI 12. The display size of the phone is 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) with resolution of 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) pixels. The network technology of the phone is GSM / 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, 20, 28, 38, 40, 41.
The phone has rear camera with specs, 48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0″, 1.12µm 2 MP, f/2.4, (macro), AF 2 MP, f/2.4, (depth) and the front camera with specs , 13 MP, f/2.3, 29mm (standard), 1/3.1″, 1.12µm. The camera is featured with LED flash, HDR, panorama. The phone is powered with a battery of 5020 mAh capacity, Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55) CPU and Mali-G52 MC2 GPU. As for as the RAM and the ROM of the Xiaomi Redmi Note 9 phone are concerned, it comes with 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM. The list of sensors, price and many other specifications are given below.