Display:1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Camera:12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Battery:
Released:Released 2018, March
The X21 UD: A Sleek and Powerful Device from Vivo
Vivo, a Chinese multinational technology company, released the X21 UD in March 2018. This impressive device boasts a stunning design, powerful performance, and advanced features that elevate the smartphone experience.
A New Addition to the X-Series
The X21 UD is part of Vivo's popular X-series and is the world's first smartphone with an in-display fingerprint scanner. This cutting-edge technology eliminates the need for a physical fingerprint sensor, making the device more streamlined and user-friendly.
Design and Specifications
The X21 UD measures 7.4mm in thickness and weighs 156.2g, making it lightweight and easy to hold. It has a 6.28-inch Super AMOLED display with a 19:9 aspect ratio, providing users with a large and immersive viewing experience. The screen is protected by Corning Gorilla Glass 3, making it durable and resistant to scratches and cracks.
Under the hood, the X21 UD runs on Android 8.1 with Funtouch 4 operating system and is powered by a Qualcomm Snapdragon 660 processor. It comes with 128GB of internal storage and 6GB of RAM, ensuring smooth performance and ample space for all your apps and files.
Network and Connectivity
The X21 UD can connect to various network types, including GSM, CDMA, HSPA, and LTE. Its 4G bands support 1, 2, 3, 5, 8, 34, 38, 39, 40, and 41, allowing for fast and reliable internet speeds. It also has Wi-Fi, Bluetooth 5.0, and GPS capabilities for seamless wireless connectivity.
Camera and Audio
The X21 UD features a dual-camera setup on the back, consisting of a 12MP primary camera and a 5MP depth sensor. It also has a 12MP front-facing camera for stunning selfies. The device also has a loudspeaker and a 3.5mm audio jack, and supports 32-bit/192kHz audio for premium sound quality.
Battery and Other Features
The X21 UD is equipped with a 3200mAh non-removable battery, providing users with enough power to last throughout the day. It also has a hybrid dual SIM card slot that can accommodate either a microSDXC card or a second SIM card for dual-SIM capabilities.
Other notable features of the X21 UD include a glass front and aluminum frame for a sleek and premium look, as well as fast charging capabilities.
In Conclusion
The X21 UD is a standout device from Vivo, offering a unique in-display fingerprint scanner, powerful performance, and advanced features. It's a great choice for users looking for a high-quality smartphone that's both stylish and functional.