Features: An accurate fast front press fingerprint sensor unlocks in 0.8 Seconds. Set app lock, quicker access and more secure (Slight tap: return to previous interface; Single click: return to HOME; Long press: Recent APPs.) Stable Android 6.0 Marshmallow, including Google Play Store, Google Maps, Gmail, etc; Up to 1.3GHz MediaTek6737 quad core processor, 2GB RAM 16GB ROM ensures that muti-tasks, videos and games can run smoothly. Unlocked smartphone, 4G-LTE with 2 card slots, dual SIM dual standby. Supports 2*micro-SIM, and a TF card up to 32GB expansion.(Only one SIM can get access to 4G-LTE at the same time.) High-quality 5-inch LCD HD high contrast IPS 2.5D curved Asahi 9H touch screen display with 1280 x 720p resolution; high definition viual effect, vivid color of all your photos, videos, images and game scenarios Nice shooting better life. Powerful 13MP rear camera, together with 5MP front facing camera, plus HDR face beautify mode, will help you to capture all of lifes great moments OUKITEL K4000 Plus adopts long-lasting 4100mAh battery with 5V1.5A quick charging adapter, keeps you talking, texting and running apps all day long