1. From the home screen, press the Options key.
   Note: To check your current month's data usage dial *data# (*3282#) on your mobile phone to receive a text message with the current bill cycle's usage.
   
2. Select System settings, then press the Center Nav key.
   
3. Select Data usage, then press the Center Nav key.
   
4. Press the Up and Down Nav keys to view the data usage summary for the selected billing cycle.
   
5. To change the displayed billing cycle, select the Data usage cycle drop-down, then press the Center Nav key.
   
6. Select Change cycle, then press the Center Nav key.
   
7. Select the desired date, then press the Center Nav key three times.
   
8. To set a monthly data limit, select Set mobile data limit, then press the Center Nav key.
   Note: When the mobile data limit is active and has been reached, the mobile data block will remain in effect until mobile data is manually re-enabled on the device, the limit threshold is changed to a higher value, or a new data usage cycle begins. If you set data usage limits on your device, they do not communicate with AT&T systems. You will still receive AT&T system generated notifications as you approach your data limits.
   
9. Press the Center Nav key.
   
10. Select the desired Data marker, then press the Center Nav key.
    
11. Select the desired data usage, then press the Center Nav key three times.
    
12. Scroll down to view the data usage broken down by app.