This tutorial shows how to install AT&T AllAccess on a MAC device.
INSTRUCTIONS & INFO
Starting December 31, 2022, the AT&T AllAccess app is going away. As a result, some features on your device may no longer be supported. You'll be able to view data usage and notifications on your myAT&T account page, and you can explore other options to stay connected with your device on the go. Learn more about mobile hotspot options.
Insert the USB connector of the Beam into an open port on the desired device.