Samsung is very well known brand in all over the world. I purchased samsung galaxy j1 about year back. And till now its performance is very good. Its camers is very good and gives very nice picture clearity. Its color is very nice. It has 512mb of ram and 4gb internal memory.rather it have a uniqe and perfect design. Many people says that samsung mobile phones gets hang too much .but in my openion it is best mobile phone ever made by samsung.