Vivo is improved his devices I think 2018 is a successful year for Vivo what price range is too high this device Vivo X 21 is very pretty after all his processor is not a very good it is the Snapdragon Qualcomm 660 processor you can see 660 processor in mid range mobiles Vivo X 21 camera is very good autofocus camera front facing camera is 24 megapixel AI camera rear camera is first camera is 12 megapixel and secondary camera is 20 Megapixel and aperture is 1.75 after all is camera is very good .
This device is not good for this price range