How does oppo r9s adjust the size of SMS ringtone?

Method 1: In the standby interface, press the volume adjustment button on the side of the mobile phone to adjust the volume. Method 2: Set-sound and vibration-ringtone-ringtone volume, then adjust the volume you want, and then click OK.

OPPO R9S adopts an all-metal fuselage in appearance, and adds three micro-slit antennas, which makes the whole metal fuselage more integrated. Three colors of gold, pink and black are introduced, and the front fingerprint recognition button is designed without pressure.

In terms of configuration, OPPO R9s is equipped with Qualcomm Snapdragon 625 processor, supplemented by 4GB+64GB storage combination. The battery capacity is 30 10mAh, which supports VOOC flash charging and dual-card dual standby full netcom. The IMX398 processor jointly developed with Sony is adopted, and the front and rear cameras are16 million pixels. The rear camera supports dual-pixel focusing with an aperture value of f/ 1.7. Equipped with ColorOS 3.0 system.