How to turn off the phone to play SMS automatically?

Take the OPPO R9S mobile phone as an example, and the closing method is as follows:

First turn on the phone, find the "Settings" icon on the phone desktop, and then click Enter.

2. After entering the setting interface of the mobile phone, find the column of "Voice Assistant" in the drop-down menu, and then click Enter.

Third, after entering the voice assistant, turn off the switch in the "voice broadcast" column, so that the mobile phone will not automatically broadcast short messages.