I use this phone from 1 year and I found this is so so so good product for me. Till now it do not hang for a minute. I just love my phone so so so much. And I also like its features, its look, its functions. I use my phone 10 hours daily but it did not hang. And also its battary is so good it take charge for 5 to 6 hours when I use my phone contineously. Its dolby sound is aswome. The camera quality of the phone is so ammazing. It click photos like a dslr camera. Every click is a supper click for me. Love the product for lenovo phones. Its looks just ammazing my friends say that my phone is so cute like me. So my phone is like me so smart and intalligent.