See the whole view on the Infinity-O Display A51's Infinity-O Display optimizes visual symmetry. Now you can game, watch, surf, and multi-task without interruption on a 6.5 inch FHD+ widescreen display—all powered by Super AMOLED technology. Enjoy a smartphone experience that minimizes the bezel and maximizes each inch of screen space. Designed for a refined level of style and comfort The rhythmical pattern of A51's design theme comes in smooth and elegant pastel shades. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort. Quad Cam lets you shoot with more perspective Go ultra high-res with a 48 Megalpixels Main Cam for crisp, clear photos day and night. A 123 degree 12 Megalpixels Ultra Wide Cam captures more of the view. Choose the upgraded 5 Megalpixels Macro Cam for highly refined close-ups, and make sure the subject always stands out with the 5 Megalpixels Depth Camera’s multiple Live Focus effects. Shoots smooth and steady just like the pros Galaxy A51 records like a pro-level action camera utilizing the Ultra Wide Camera and predictive software. Super steady gives you smooth live videos, even when your journey is on the adventurous side. Power that keeps you going When out living life, you need a phone that can last. A 4,000mAh (typical) battery gives you the power to stream, share and game on. And if you start running low, plug in and power up with 15 Watts Fast Charging. Game Booster gives you the edge Maximize performance with Game Booster. Cut distractions and up your game with a dedicated interface and easy-to-reach menu. Frame Booster gives graphics smooth, life-like motion. And play at your best as Game Booster learns your usage patterns to optimize battery, temperature and memory. Defense-grade security available to everyone Built into the phone's hardware and software from the start, Samsung Knox protects your phone from the minute it's turned on. Offering multi-layered security, it defends your most sensitive information from malware and malicious threats. Made to focus One UI helps you focus on what really matters to you. Hardware and software work together, with content and features at your fingertips so you can get to them faster. Use Night Mode for a comfortable experience in the dark, and with clear and intuitive visuals using your phone is like second nature.