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Device help

Get step-by-step help and info for your device.

AT&T 5G Cell Booster Pro Link (SN5I77)

Activate & Register

Activate and register the device via the web portal or mobile app.

Re-Locate Device

Learn how to troubleshoot connectivity issues by relocating the device.

Specifications

Determine your device's operating frequencies, physical characteristics, and more.

Approved User List

Learn how to use add and remove users.

Learn How to Clean Your Device

Get tips on the best way to keep your device clean.

Connection Options

Learn how to connect using the AT&T Cell Booster Pro 5G Link ethernet ports.

Device Assembly

Learn how to attach the 5G clip-on and external GPS antenna.

Device Location

Learn how to properly place your device.

Device Overview

Learn basic functions of your device.

Device Requirements

Learn the device requirements of the AT&T 5G Cell Booster Pro.

Device Setup

Set up your device for the first time.

LED Indicators

Refer to AT&T Cell Booster app/portal “Device Status” section to get troubleshooting tips for your Cell Booster.

Management Website

Learn how to navigate and use the Cell Booster mobile app.

Viruses & Malware

Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.

Device Settings

Learn how to connect using the AT&T Cell Booster Pro ethernet ports.

Firewall & Router

Learn how to install the AT&T 5G Cell Booster Pro behind a firewall, or behind a router with firewall capabilities.

Reset Device

Learn how to restart or perform a factory reset of your device.

Dropped Calls

Learn how to troubleshoot dropped call by checking network connections and moving the device.

Flashing Orange "Internet" LED

Learn how to troubleshoot a Flashing Orange “Internet” LED.

Limited Device Range

When your device has limited coverage in certain areas, try moving your device to improve your signal.

No GPS Connection

Learn how to troubleshoot if AT&T 5G Cell Booster Pro GPS lock cannot be acquired.

Phone Not Connecting

Learn how to troubleshoot issues related to your phone not connecting to the AT&T 5G Cell Booster Pro.

Poor Voice Quality

Learn how to troubleshoot issues related to poor voice quality.

Reset Device

Learn how to restart or perform a factory reset of your device.

Having device issues?

Fix common service and device problems.