OPPOR9tm, why is there no sound in SMS reception?

R9 SMS ringtone setting method:

Go to Settings-Sound and Vibration-Information Ringtone, and select the desired ringtone for setting.

Setting method of mobile phone short message ringtone:

Version 1 and ColorOS 3.0, go to settings-sound and vibration-information ringtone, and select ringtone.

2. ColorOS version, set-sound-information ringtone, and select ringtone.

2. For ColorOS 1.0 version, set-sound-information ringtone and select ringtone.

OPPO is an entertainment music mobile phone. Since it is a music mobile phone, its biggest selling point is sound quality. Listening to MP3 is shocking, as if listening to a CD! Another selling point is its fashionable personality and lovely appearance!

Its screen adopts practical LCD technology, and the video is super clear! The function of mobile phone is also very practical, and it is also very simple and convenient to operate!