AT T USB800 MiFi USB LTE Modem User Guide

: June 6, 2024
: AT&T

Table of Contents

Your New Device
Let’s Get Started
Manage the Device on the Web
Status Indicator Light
Replace the Nano-SIM Card
Protect or Reset the Device
View Messages
Network Indicators
What else is in the box?
Find More Information
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

AT T USB800 MiFi USB LTE Modem

Your New Device

Let’s Get Started

1. Plug the AT&T Global Modem USB800 into a
USB port on the computer
.
2. The operating system will detect the
device and install the necessary drivers.
3. Once installation is complete, the device
will automatically connect to the network.
Connection is complete when the
indicator light is solid green.

Note: Compatible with the following:

Microsoft® Windows® 7 and higher
Mac OS 10.5 and higher
Linux OS

Installation may vary depending on your operating system.

Manage the Device on the Web

Launch a browser and in the address bar enter http://att.manager/ or http://192.168.1.1. You will see this screen:

Internet Status: Manage the network connection.
Diagnostics: View device status and diagnostics for troubleshooting
Settings: Manage advanced settings.
Device Info: View device hardware and Software details
Customer Support: Contact information to connect with customer support team.

Status Indicator Light

Color	Status	Description
Green	Solid	Home network; Device ready; Network connection registered
Blinking	Device powering up; Searching for network; Data being transferred
Amber	Solid	Roaming network
Blinking	Roaming or data being transferred or software update in progress
Red	Solid	Failed state (no SIM , locked SIM, SIM error, PUK error) Network

not available

Replace the Nano-SIM Card

The device comes with a nano-SIM card preinstalled. Should you need to swap out the nano-SIM card, follow these instructions:

Open the protective door by pressing on the cover with
Remove the SIM card by pushing forward on the exposed edge
Insert the new SIM Card with the gold contacts facing down.
Push the SIM Card until the card remains securely in the slot.
Replace the back cover and snap into place.
Note: The SIM Card must remain in the wireless modem when in use.

Protect or Reset the Device

PIN Protect the SIM Card

1. Go to the management web site at http://att.manager/ and click Settings on the menu.

Reset the Device

You can reset the device to its original factory settings.
Note: If you reset the device to factory settings, all of your customizations will be lost.

Go to the management web site at http://att.manager/ and click Settings on the menu.
Click Preferences > Restore Factory Defaults
-OR-
Remove the back cover from the device and locate the small pinhole labeled “Reset”
Insert a small pointed object into the hole to press the key

View Messages

The device can receive important messages from AT&T regarding your data plan or software updates. To review these, go to management web site at http://att.manager/ and click Messages on the menu.

Network Indicators

The management web site will display a network indicator to reflect which AT&T wireless network you are connected to.
Connected to the AT&T 4G LTE™ network
Connected to the AT&T HSPA+ network