Phone is good.
About speed : I used the phine for 30 days n it dosent lag at all. I playe high end games like aspahlt airborn. Performance is awsome in that budget.
About battery. It is on an average in todays life it works whole day if normaly used but while gameing it is only for 6 hr max.About display it is awsome colours are bright to even. I will give the phone a thums up.Use it its cool in small budget.