If you want that no longer want to use Facebook then it is easy to perform how todeactivate Facebook on iPhone to your account. Let’s check out the steps to know how to deactivate Facebook on iPhone then check out the steps. For this, tap to drop-down arrow on the toolbar and choose settings. The settings page will appear and tap to manage account. Here, you can deactivate the account. Choose the reason for deactivating the account. If you want then you need to add more details in text box below. When done, you need to tap to deactivate. Choose to deactivate now and your account is deactivated. Here, you will option to reactivate your account at any time by signing into Facebook with old account information.