Equipment: OPPO mobile phone a72;;
Operating system: Android version12.1;
Software: camera software version 3.409. 120.
1. Click the photo button on your phone to enter.
2. Click the point in the upper right corner after entering the photo interface.
3. Click the Settings button in the options that appear.
4. After the page jumps, enter the settings and click the watermark button.
5. After the page jumps, you can open the button behind the geographical location and date and time.