How to turn on/off personalized ads on Google sites or apps?

Once you turn on personalized ads, your ads can be personalized but your activity on Google sites and APPs is saved in your Google Account, including the general areas where you’ve used Google sites and APPs. You’ll have more control over the ads you see.
To turn on/off personalized ads on Google sites or apps, please refer to the following steps:
1. Go to the [Settings] APP on your phone;
2. Slide down the screen and tap [Google];
3. Go to [All services] and tap [Search, Assistant & Voice];
4. Tap [Privacy & Safety];
5. Go to [Ads personalization];
6. Tap [On] or [Off] in the top right corner;
7. Tap [Turn on] or [Turn off].