Deleting your Facebook account on a phone is a big decision! You can do this by going to the Facebook app, tapping on the three horizontal lines, then "Settings & Privacy," "Settings," "Personal Account Information," and finally, "Account Ownership and Control." From there, choose "Deactivation and Deletion," and select "Delete Account." Are you considering this for privacy reasons or to take a break? Feel free to share your thoughts; I'm here to help!