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, tap the Apps icon.
Swipe to, then tap Mobile Hotspot.
To configure the Wi-Fi hotspot settings such as the network name and password, tap Set up Wi-Fi hotspot.
Edit the desired options, then tap SAVE.
Tap the Portable Wi-Fi hotspot switch to enable and disable Wi-Fi Hotspot.
While the Portable Wi-Fi Hotspot is active, the Wi-Fi Hotspot icon will be displayed in the notifications bar.