User manual

Turn system feedback on or off. Toggle the sliders to green or white. When Vibrate
on Touch is on, your phone vibrates when you touch the Menu, Home, and Return
buttons.
To temporarily silence incoming calls and alerts (without vibrations), see Quite Time.
Real Sound Technology. Real Original Sound Technology is jointly developed by
Dirac Research AB and OPPO. It delivers original sound in full fidelity and creates a
spatial three-dimensional sound arena to provide you with a listening experience
ones then select a
scene you want the sound to change to.
Headphones Monitor. When turned on, you can enjoy a live karaoke experience in
real-time through your headphones.
Note: Turn off the default headphones monitor function in the karaoke app to avoid
sound problems.
5.15 Charge and Monitor the Battery
OPPO smartphones are equipped with a non-removable, lithium-ion rechargeable
battery. Do not attempt to open your phone. Charge the phone using the cable and
USB power adapter it.
Charge the battery. Connect your phone to a standard power outlet or a Power
Bank.