Why does OPPOa8 have music as soon as it is turned on? It comes with music. You can turn it off according to the following method:
How to set the sound when the phone is turned on and off: enter the phone settings--sound--switch. Machine beep - just turn it on and off. Without this operation, the phone's power-on and power-off prompts cannot be turned off, or the system's default power-on and turn-on prompts cannot be turned off, and the power-on and turn-on sounds of some China Unicom and China Mobile customized machines cannot be turned off.