At the front the smartphone holds a 8 megapixel lens which is a good for a selfie and video calls .it has h huge battery . Samsung galaxy a 20 comes with exynos7884 which supports the function of a 1.6 gigahertz octa core processor. it features a 6.4 inch HD plus capacitive touchscreen with 720 x 1560 resolution and 16 million colours Samsung galaxy a20 runs on Android Pi operating system. Its weight is 169 gram and has a plastic body .we have 85% screen to body ratio with 268 PPI density it has Mali g71 MP2 GPU and microSD up to 1 TB dedicated slot Samsung galaxy a20 comes with LED flash panorama HDR and also it has a 3.5 millimetre headphone jack it has NFC , fingerprint rear mounted Samsung galaxy a 20 comes with accelerometer gyroscope proximity and compass sensor it has a non removable battery 4000m ah. It is a really good phone with the very affordable rate.