vivo X21 UD Android Smartphone was launched in March 2018. It is priced in India at Rs. 29900 ($450.00), running on the Qualcomm SDM660 Snapdragon 660 processor with Adreno 512 GPU. The phone has 6 GB RAM and 128 GB of internal storage which is expandable using microSD, up to 256 GB (uses SIM 2 slot).
The vivo X21 UD has a 6.28 inches, 1080 x 2280 pixels Super AMOLED display with a pixel density of 402 ppi. Coming to cameras, it has a Dual 12 MP rear camera and a 12 MP front camera for selfies. It has a microUSB port for data syncing and charging. There is a notification LED present on the vivo X21 UD as well, along with a fingerprint sensor, magnetic field sensor (compass), ambient light sensor, proximity sensor and accelerometer sensor. It is a dual SIM smartphone with support for 4G LTE, USB OTG, Wi-Fi, FM Radio and GPS too.
The vivo X21 UD runs on Android 8.1 (Oreo) and all this is powered by a 3200 mAh battery. It measures 154.5 x 74.8 x 7.4 mm (height x width x thickness) with a total weight of 156.2 grams including battery.
