Vivo Y21 is vivo Y series mobile.in.amazon or snapdeal you can get it at 6750 to 6990.it has lollipop version of android, 16 gb internal memory wit h 128 gb expandable, 4.5 inch display, 1 gb ram, 5mp rear camera and 2 mp front camera , 1900 mAh Capacity, Li-Ion, Non Removable battery , 3 g set, 1.3ghz processor.the camera of this phone is ok.it has 2 years warranty and display is very good.video quality is HD.when you play games, it heats low amount.if you buy this phone, then your money will not be wasted.