A51's Infinity-O Display optimizes visual symmetry. Now you can game, watch, surf, and multi-task without interruption on a 6.5" FHD+ widescreen display—all powered by Super AMOLED technology. Enjoy a smartphone experience that minimizes the bezel and maximizes each inch of screen space. The rhythmical pattern of A51's design theme comes in smooth and elegant pastel shades including Prism Crush Black, White, Blue and Pink. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort. Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123° 12MP Ultra Wide Cam captures more of the view. Choose the upgraded 5MP Macro Cam for highly refined close-ups, and make sure the subject always stands out with the 5MP Depth Camera’s multiple Live Focus effects. Capture the wider world with the Ultra Wide Camera's wider field of vision. And with the 48MP Main Camera, your story stays bright and clear throughout the day. Quad Cam’s built-in 5MP Macro Cam (40mm) shoots with clarity and quality helping you bring out the ultra-fine details of your close-up shots. Apply and adjust natural background blur (Bokeh) to isolate your subject and increase its visual impact. 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. The 5MP Depth Camera lets you adjust the depth of field before and after you nail the shot. The advanced 5MP Depth Camera knocks out unwanted background noise from your images to make them look more professional. You want your selfie to look good. So for stunning daytime looks, Galaxy A51's 32MP front camera gives you clear, high-resolution photos. And with Selfie focus to gently blur the background, your face becomes the star. 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 15W Fast Charging. Galaxy A51 has fast processing and spacious storage so you can focus on now. An advanced Octa-core processor and up to 4GB of RAM deliver smooth and efficient performance. Download more and delete less with up to 128GB internal storage. Add even more with a 512GB microSD card. 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. 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. Galaxy A51 comes with high-tech bio-metric authentication. The On-Screen Fingerprint scanner recognizes your unique fingerprint, so you are the only one who can press and unlock in one easy move. 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. Enjoy peace of mind when you choose to buy a galaxy smartphone. The Interactive diagnostics and optimization on Samsung Members app makes it easy to tune up the performance of your devices, while our helpline lets you troubleshoot problems when you need the extra assistance.