Big screen. Small priceA51's Infinity-O Display optimises visual symmetry. Now you can game watch surf and multi-task without interruption on a 6.5" FHD+ widescreen displayall powered by Super AMOLED technology. Enjoy a smartphone experience that minimises the bezel and maximises each inch of screen space.Designed for a refined level of style and comfortThe rhythmical pattern of A51's design theme comes in smooth and elegant pastel shades including Prism Crush Black White and Blue. A premium gloss finish adds the perfect touch of style to its sleek and slim body perfectly blending of style with in-hand comfort.Awesome Quad camera to capture moreGo 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 Cameras multiple Live Focus effects.Macro Cam that captures the up-close detailsQuad Cams 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.Shoots smooth and steady just like the prosGalaxy A51 records like a pro-level action camera utilising the Ultra Wide Camera and predictive software. Super steady gives you smooth live videos even when your journey is on the adventurous side.Depth Camera brings your subject into the spotlightThe 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.Attention-grabbing selfies made easyYou 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.Long lasting battery at no extra chargeWhen out living life you need a phone that can last. A 4000mAh (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.Premium storage at no extra costGalaxy 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.*Game Booster gives you the edgeMaximise 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 optimise battery temperature and memory.Defence-grade security available to everyoneBuilt 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.Your fingerprint is the keyGalaxy A51 comes with high-tech biometric authentication. The On-Screen Fingerprint scanner recognises your unique fingerprint so you are the only one who can press and unlock in one easy move.Made to focusOne 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.Keep your device in tip top condition with usEnjoy peace of mind when you choose to buy a Galaxy smartphone. The Interactive diagnostics and optimisation 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.