Hello! I am Amarnath kumar. Bingo infocus 21 phone is very stylish , compact and ergonomic design . it fit perfactly in our plam. It have 8 mp primary and 5 mp selfie camera which are perfect and also dual slide flash. If I talk about the operatung system it support v5.1 lollipop operating system . the biggest thing is that this companey give 1 year menufacture warrenty for device . my friend using this phone and he s very happy with this phone. I support this cpmpaney.