I have used many phone like sony , samsung grand but after using one plus one for last 2years and more , u found oneplus one is good phone , it has a goid battery life , fhd screen , very sharp , big screen of 5.5 inches , compect size, dropped so many times ( in cover) not broken yet for last two year , 3gm ram is wonderful. Installed si many app but not hanged , very light phone , I have paid 18999/for this phone in 2014 feb . it is really value for money , only few problems is with it like only singal sim working in this phone , no fm in this phone , full battery charged with high speed charger which I got with is phone in 1 hours .thanx