Samsung Galaxy J2 is one of best phone of J series. its come with 4G with ultra saving data .I using this phone since 2 month and its working well. Its camera quality is awesome rear camera is 5 mp and front camera is 2 mp. Its Cpu Speed is 1.3Ghz and processor is quad core and now I can play high graphics games. Its screen size is 4.7 with HD display. Internal is 8 gb and ram is 4gb. Its battery power is 2000 mAh and I think its better redmi note 3. I am satisfied with this phone and I trust on samsung.