Hello guys I am sunny chauhan. I use oppo A37 phone from last 2 months.one thing I see in this that its battery backup is good but ita cpu every time get hot.it is a big problem in oppo a37.and also it hanging when I install an app.you can only use facebook or insta.when you use both app together.it will hang.i am100% sure.because its ram 2gb.the big main problem is phone always hot when I use.battery backup is average good. I recommend you to buy lenovo phones.it is better than it.Oppo or Vivo is a same company in different names.i bought this phone only rs 8800 rs.you dont buy this phone when retailer told you its real price is 10, 000rs.but in my city its price is 8500rs.retailer earn more and more commission from customer.Jai Hind