How to remove your Facebook account on iPhone
1. Open the Facebook app on your iPhone.
2. Tap on the menu icon (three horizontal lines) in the bottom right corner of the screen.
3. Scroll down and tap on "Settings & Privacy."
4. Select "Settings" from the options provided.
5. Scroll down and tap on "Account Ownership and Control."
6. Tap on "Deactivation and Deletion."
7. Select "Delete Account" and then tap on "Continue to Account Deletion."
8. Enter your password to confirm that you want to delete your account.
9. Follow the on-screen prompts to complete the account deletion process.
Please note that deleting your Facebook account is irreversible, and you will lose access to all your account data, including photos, messages, and posts. Make sure to download any important data or information before deleting your account.