Where is the voice assistant on oppo mobile phone?

On the mobile phone desktop, press and hold the "HOME" key to wake up the Voice Assistant, but only through the settings of the mobile phone.

The specific settings are as follows:

1. First, click "Settings" of the system;

2. Slide to the bottom of the screen, then find and click to enter the "Voice Assistant" item;

3. Click' Voice Assistant Switch' and then turn on the' Voice Assistant' function switch;

4. Exit the menu of system settings, return to the mobile phone desktop, and press and hold the "HOME" key to wake up the "Voice Assistant".