Using Lenovo moblie from 4 months now good things what I noticed arevery good battery back up I charge my phone one hour a day and use my phone for browsing whole day . And speed I have almost 10 games and the speed awesome were as I had problems in the previous phones which is not shown here. Display is so big and very good quality. And the phone charges off in one hour 100 percent. Sound the Best for music lives like me mind-blowing.Best phone for the best price in market right now. Thanks Lenovo for the amazing product. I am glad to have thus phone.