With Samsung quality and design, the J Series gives you everything you need and nothing you don’t. Our best J3 camera yet captures crisp memories on an 8MP rear camera 5MP front camera. Reliable. Smart. And designed for you. The Samsung Galaxy J3 at Amazon is packed with essentials including a 5.0" HD sAMOLED display for better viewing quality, and up to 128GB of expandable memory via microSD.