Oppo is china branded it a risk mobile because their more of mobile is blasted and its price is high because they advertisement is more money invested they choose in celebrity or more of advertise so this money is taken for we its features are good and mobile quality not best .it dont give earphone it buy outside in extra and its service center not available in every place and oppo mobile performance is not good because oppo is a camera phone not a smart phone so.These phone have not good performance.it a good