Hello friend I am using Lenovo K6 Power last three month this is outstanding phone .The sound of the phone is very sharp and clear . In tis phone having new features and these features such as fingerprint sensor, proximity, light and compass .These features are make to him very nice phone .The RAM is used in this phone is4GB b and big processor octa core 1.4 GHz snapdragon is used in this phone and the hanging problem are not face . the storage of this phone is 32 GB and the picture quality of this phone is very nice because the front camera 8 MP and the back camera 13 MP with auto focus LED flash whight of this phone is very low that is 145g only and the display of the screen is work very smoothly . the battery back up is very long because the power of the battery is very big 4000mAh. so friend buy this phone and enjoy yourself