Your smartphone or tablet works overtime when you use it to make a deposit to your OSB checking account. Download our mobile app, available for iOS and Android, and use the camera on your device to capture an image of your check and click submit to transmit to the bank! Make deposits on your schedule, 24 hours a day, 7 days a week. The cut-off time is 6pm CST Monday through Friday. Checks deposited after cut-off time will be processed the following business day.