1Attach the magnetic end of the 3.5mm headset adapter to the charger/ connector on the side of your smartphone.
2Connect a TTY/TDD device to the jack on the 3.5mm headset adapter.
3Open Phone 
.
4Open the application menu and tap Preferences & Accounts.
5In TTY/TDD, tap On or Off.
Use SIM Toolkit
The SIM Toolkit app gives you access to services from AT&T such as account information, payment, and news.
1Open SIM Toolkit 
.
2View and work with the features displayed.
Chapter 6 : Phone | 83 |