1-Keep your phone software updated for security patches.

2-Maybe. Your phone collects data, but not necessarily to spy.

3-Apps with permission can access location, mic, and camera.

4-Disable location services for non-essential apps.

5-Limit ad tracking in phone settings.

6-Be mindful of what info you share in apps.

7-Unfamiliar apps? Delete them!

8-Use strong passwords and enable two-factor authentication.