Quick, easy, and secure access to your First Security Bank Beaver accounts, anytime, anywhere!! Our mobile app is FREE and allows you to:-View your balance-View account activity-Transfer funds-Photo check deposit -Card management-Locate a branch or ATM-Contact our Customer ServiceContact UsYou can contact us at (580) 625-4500 if you have any questions about the First Security Bank Beaver Mobile App or the self-service registration process.