My bro is using this phone before 2-3 months. It is really very good and very good price.my brother is using this phone before 2-3 months, I am not found any problem but the battery backup is small bad but its camera quality is very very good, its capture very beautiful and realistic image.and also system speed is very good. It is very good for photography and also good for gamers.i really impressed by phone because the price level is no much high and also you the samsung company.so I recommended you plzz buy this phone for capture beutiful image and experience high quality games.