1. Insert the
USB Connector of the AT&T Global Modem USB800 into an
open port on the desired device.Â

2. The device will automatically connect to the internet. TheÂ
Internet Access icon in the Task Bar will change when the device is connected on a PC.Â
Note: To check the connection status of the device on a Mac, navigate to System Preferences > Network.
3. Connection is complete when the
LED indicator light is
solid green.
Note: If you are experiencing issues connect to the AT&T network, verify the SIM is activated and you are within AT&T coverage areas.