The Xiaomi Redmi 6A mobile features a 5.45" (13.84 cm) display with a screen resolution of 720 x 1440 pixels and runs on Android v8.1 (Oreo) operating system. The device is powered by Quad core, 2 GHz processor paired with 2 GB of RAM. As far as the battery is concerned it has 3000 mAh. Over that, as far as the rear camera is concerned this mobile has a 12 MP camera . Other sensors include Light sensor, Proximity sensor, Accelerometer. So, does it have a fingerprint sensor? No, it doesn't. On board storage is at 16 GB with the option to expand the memory by Yes Up to 128 GB. Design is one of the most important factors when it comes to mobiles. This phone is 8.3 mm slim and weighs 145 grams.