Samsung is known for quality of of product and its actually give it.But after use for 6-7 month get hang somtimes.it hang while internal memory at 95% used. The display resolution is HD.i love this .camera quality is superb.sound quality is low.i personally use this mobile from last 1month. But not giving value for money. Others companies giving good smart phone at this rate. OTG working good for this phone. Durability is good. The phone is user friendly. Giving good perfomance for gaming.