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 device as a mobile Wi-Fi 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, swipe down from the Notification bar with two fingers.
Tap the Settings icon.
Tap More.
Tap Tethering & portable hotspot.
Tap the Portable Wi-Fi hotspot switch to toggle the mobile hotspot on/off.
When the mobile hotspot is active, the Hotspot icon will display in the notification bar.
To configure the hotspot, tap Set up Wi-Fi hotspot.
Tap the Network name field then enter the desired network name.
Tap the Security drop-down to select the security type.
Tap the Password field then enter the desired password.