Xiaomi Redmi K40 phone was announced in 2021, February 25 by Xiaomi and was launched in March, 2021. The Xiaomi Redmi K40 phone has 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) (height x width x thickness) dimensions with weight 196 g (6.91 oz) grams. It comes in Black, White and Aurora colors.
The operating system which runs on the phone is Android 11, MIUI 12. The display size of the phone is 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) with resolution of 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) pixels. The network technology of the phone is GSM / CDMA / HSPA / CDMA2000 / LTE / 5G 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, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 and 5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6.
The phone has rear camera with specs, 48 MP, f/1.8, 26mm (wide), 1/2″, 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0″, 1.12µm and the front camera with specs , 20 MP, (wide), 1/3.4″, 0.8µm. The camera is featured with LED flash, HDR, panorama. The phone is powered with a battery of 4520 mAh capacity, Octa-core (1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585) CPU and Adreno 650 GPU. As for as the RAM and the ROM of the Xiaomi Redmi K40 phone are concerned, it comes with 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM. The list of sensors, price and many other specifications are given below.