HTC Desire 820S is a dual sim smartphone that supports 4G networks and is powered by a perfect blend of technique and comfort.This smartphone keep up with the speed of daily life as it got a very high-speed octa-core processor boasting at a rate of 1.7GHz, all this ensures muti-tasking, seamless gaming, uninterrupted videos, etc.The battery capacity of this device is 2600mAh that lasts for a very long duration on a single complete charging and also saves energy as its battery charges very quickly.