Chinese smartphone maker Xiaomi has come up with an upgraded variant of the Redmi 3s. The latest offering known as the Redmi 3s Prime differs from the former only in terms of storage and also comes with a fingerprint sensor.The device priced at under Rs. 8, 999.PERFORMANCE AND BATTERYUnder the hood, aimed to deliver smooth and flawless performance, the device is powered by a 64-bit octa-core Qualcomm Snapdragon 430 processor. Also, unlike the Redmi 3s, the device ships with 3GB of RAM to take care of your multitasking requirements. The device packs a Li-Ion 4, 100 mAh battery and is available in silver, gold and dark gray colour options.