It’s very good phone, perfect camera,
but haa some battery issues. take 3 hours to charge from 20% to 100% and battery lasts for 5 to 6 hours when using facebook on carrier net.and I am say that this phone oppo A37 is very fantastic mobile.There is one speaker and left side is mike of phone.and last I am saying when I buy my mobile I am buy oppoA37.