TNB Mobile App

Mobile Deposit

Deposit checks whenever and wherever it’s convenient for you, by using Mobile Deposit on the TNB Mobile App.

Sign, Snap and Send!

  1. Log in to the TNB Mobile App
  2. At the bottom menu bar, click the (+) button, then select “Deposit”
  3. Place your check on a flat surface with a dark background and good lighting, then click “Continue”
  4. Take a picture of the front and back of the check
  5. Click “Continue” and approve the deposit if everything appears correct


On the back of the check, write Mobile Deposit Only, Texas National Bank, and your account number.

The daily deposit limit is $2,500. The cutoff time for a same business day deposit is 4:00 PM. Checks deposited after 4:00 PM will be processed the following business day.

You must securely store the original check for 45 days after deposit. Promptly after the 45-day retention period expires, you must properly destroy the check.


Mobile carrier messages and data rates may apply.