With the Security Bank of Texas Mobile Banking App you can safely and securely access your accounts anytime, anywhere. Our mobile app is FREE and allows you to:ā¢ View your balanceā¢ View account activityā¢ Transfer fundsā¢ Pay Billsā¢ Manage cardsā¢ Remote Deposit Captureā¢ Contact our Customer Serviceā¢ Share our app with friends and familyMore features are coming soon!SecuritySecurity is our priority. Rest assured that your personal information is kept safe!Contact UsYou may contact us at 855.256.0001 if you have any questions about the Security Bank of Texas Mobile App.