1. To enable content filtering, you must go to the web UI to enable for the first time. To change the settings sign into the att wifi manager.
   
2. Tap the Menu icon.
   
3. Tap Security.
   
4. Tap Content Filters.
   
5. Tap the Content Filter toggle to turn on.
   
6. Tap Save.
   
7. Create a free OpenDNS account to have parental controls and phishing protection for all of your devices connected to the mobile hotspot. Tap Sign Up, create account and sign in.
   
8. You can now adjust content filter settings as desired.
   
9. To add unlimited access for certain devices, tap the fields under Unrestricted Devices and select or enter desired devices.
   
10. Then tap the Plus icon and tap Save.