OPPO r9s How to open real acoustic technology? OPPO R9s opens Real Soundtrack technology tutorial

OPPO r9s How to open real acoustic technology? Real acoustic technology is r9s with the quality of the lifting technology, opened to enable the phone to achieve a higher quality level, very easy to use. But how does this function turn on? Below let the mobile phone world of small make up to tell you how to open real acoustic--r9s, interested in a look at it ~

1 first open the phone "settings", go to the Settings menu to select the "Sound and Vibration" option. (pictured below)

2 in the sound and vibration interface down, to find the "Real acoustic technology" option to open, only need to turn on the upper right corner of the switch to open it. (pictured below)