How to set up your device as a mobile hotspot to share your data connection with Wi-Fi-capable devices.
INSTRUCTIONS & INFO
Use your AT&T smartphone as a mobile hotspot to share your data connection with Wi-Fi-capable devices such as: other smartphones, tablets, netbooks, MP3 players, and more. Note: Eligible data plan required, learn more.
From the home screen, press the Menu key.
Tap System settings.
Tap More....
Tap Tethering & portable hotspot.
Tap Set up Wi-Fi hotspot.
Tap the Network SSID field to enter the desired name for the mobile hotspot.
Tap the Security field to select the desired security setting. Note: It is recommended to enable security to prevent unintended data usage.
Tap the Password field to enter a personalized password for the mobile hotspot.
Tap Save.
To enable or disable a mobile hotspot, tap the Portable Wi-Fi hotspot box.
Tap OK.
When Mobile hotspot is on, the Mobile hotspot icon will display in the notification bar.