Oppo smartphones are expensive and not good and manufacturer embedded a malware trojan into the system OS that cannot be remove by anti virus.
http://www.sammyboy.com/showthread....rers-are-the-best!-U-get-more-than-u-paid-for!
http://www.sammyboy.com/showthread....rers-are-the-best!-U-get-more-than-u-paid-for!