HTC Desire 820s features a 5.5 inch display with a resolution of 720 x 1280 pixels. It runs on Android OS, v4.4.4 (KitKat) operating system and is powered by a 1.7 GHz Octa-core Mediatek MT6752 processor. The device sports a 13 MP rear camera and an 8 MP front facing camera with an internal storage of 16 GB which can be expanded up to 32 GB via microSD with a Non-removable Li-Po 2600 mAh battery.
This is a third class phone and third class company which is the manufacturing best mobile phone there will be technical problem in your handset and after depositing your handset in service centre they will replace your device without any specific reason and give you a second hand used mobile repair phone whose camera quality will decline everyday and the body where your camera and speaker mic is situated will start eroding and company will not assist you at all the standard of this company is laid down don't buy this phone ever