Oppo A91 phone was announced in 2019, December 20 by Oppo and was launched in December, 2019. The Oppo A91 phone has 160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in) (height x width x thickness) dimensions with weight 172 g (6.07 oz) grams. It comes in Lightening Black, Unicorn White, Blazing Blue and Red colors.
The operating system which runs on the phone is Android 9.0 (Pie), ColorOS 6.1. The display size of the phone is 6.4 inches, 100.4 cm2 (~85.5% screen-to-body ratio) with resolution of 1080 x 2400 pixels, 20:9 ratio (~408 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 / 1700(AWS) / 1900 / 2100 – International and 4G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 – International.
The phone has rear camera with specs, 48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0″, 1.12µm 2 MP B/W, f/2.4, 1/5.0″, 1.75µm 2 MP, f/2.4, (depth) and the front camera with specs , 16 MP, f/2.0, 26mm (wide), 1/3.06″, 1.0µm. The camera is featured with LED flash, HDR, panorama. The phone is powered with a battery of 4025 mAh capacity, Octa-core (4×2.1 GHz Cortex-A73 & 4×2.0 GHz Cortex-A53) CPU and Mali-G72 MP3 GPU. As for as the RAM and the ROM of the Oppo A91 phone are concerned, it comes with 128GB 4GB RAM, 128GB 8GB RAM. The list of sensors, price and many other specifications are given below.