OPPO A37f phone is the best phone. I have used the phone. Battery backup 2600Ah. OPPO phone camera is awesome and wonderful back camera is 8mag picture and selfe camera is 5maga picture. Oppo phone three colour Black white gold awesome colors. Oh and have used gold colour so awesome. Display is 5inc nice display fast teach. Battary is not removel is it fixeb battery. Hade phone awesome nice sound. USB charger and good. Mobile charger very fast and swometh and charger. Phoneis slime and somth.