How to Reactivate Your Facebook Account via the Mobile AppThis method is useful if you typically access Facebook through your mobile device and your account has been deactivated. How to Reactivate Your Facebook Account on the DesktopIf you prefer using Facebook on a desktop, this method will guide you through the steps to reactivate your account using a web browser. FAQ – Frequently Asked Questions About Facebook Account RecoveryWhat should I do if I cannot remember the email or phone number associated with my Facebook account? Facebook allows account reactivation at any time after deactivation unless the account was deactivated by Facebook due to policy violations or security concerns. Reactivating your Facebook account will restore your access to any third-party apps and services that use your Facebook login.