8.0mm Ultra Slim - A slender phone with 8.0mm thin body and 2.5D flat frame. It is a piece of lightweight tech that offers you a premium and comfortable hold. The simple design aesthetic puts you at the forefront of fashion. Side Fingerprint Sensor + Face Wake Unlock your phone in one seamless motion, with a side power button that is also a robust fingerprint scanner. Alternatively, use Face Wake whenever needed in a blink of an eye. 5000mAh Battery + 18W Fast Charge Charge your long-lasting 5000mAh (TYP) battery in no time with 18W Fast Charge – anytime, anywhere. Preserve battery use with our VEG technology and stay connected 24/7. The Reverse charging function turns your phone into a mobile power bank. 4GB+1GB Extended RAM Y21 has 4GB of RAM to make your everyday interaction with it smooth and easy. In addition Extended RAM 2.0 makes use of up to 1GB of idle ROM space, now switch between your favorite apps even more quickly. 128GB Storage, Expandable Up to 1TB Y21 has 128GB ROM which can be expanded up to 1TB. That’s definitely morethan enough for all your apps, videos and pictures. HD+ Screen with Eye Protection The 16.55cm (6.51-inch) HD+ Halo Fullview Display with in-cell technology immerses you in razor-sharp details and rich vibrant colors. The Eye Protection Mode filters out blue light for a more comfortable viewing experience. AI Rear Camera System Y21’s AI Rear Camera System is supported by a wide range of features, including Face Beauty, Filters and Bokeh. Every shot is a masterpiece. Super Macro Camera Discover tiny and exciting worlds full of gems hidden right before your eyes with a focus that draws as close as 4cm. Front Camera with Face Beauty In Portrait Mode, the front camera with its Face Beauty algorithm creates stunning selfies, so you never have to fear cropping or zooming into your face. Multi Turbo 5.0 vivo Multi-Turbo 5.0 enhances data connection, system processor speed and power-saving performance to a whole new level. A liquid cooling solution across five components keeps Y21 cool even in intense combat. Multi Turbo 5.0 vivo Multi-Turbo 5.0 enhances data connection, system processor speed and power-saving performance to a whole new level. A liquid cooling solution across five components keeps Y21 cool even in intense combat. Ultra Game Mode Ultra Game Mode has been newly updated to give you a fuller sensory gaming experience. Play, enjoy and win in cooler style and with more fun. Funtouch OS 11.1 (Based on Android 11) Funtouch OS 11.1 is a breath of fresh air. Its clean design aesthetic and touch controls are delightfully simple and practical, bringing you an invigorating user experience.