I am using phon about 6months. Nice phone at that price. Main features is excellent dolby sound supported by duel speakee in frnd side. My frnd using this phon from last 1 year phon is good but after one year the battry issue happn like battry showing 100% but it down after 4 to 5 hour. I have this lenovo vibe k4 not mobile. This mobile is working very well. The shap and size of the phon is awesome. The internal storage is too good. And it very very grat lenivi vibe k4 Note great mobile phone