Device help
Get step-by-step help and info for your device.
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Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Activate and register the device via the web portal or mobile app.
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.
Learn how to connect using the AT&T Cell Booster Pro ethernet ports.
Learn how to properly place your device.
Learn basic functions of your device.
Learn the device requirements of the AT&T Cell Booster Pro.
Set up your device for the first time.
Refer to AT&T Cell Booster app/portal “Device Status” section to get troubleshooting tips for your Cell Booster.
Learn how to navigate and use the Cell Booster mobile app.
Learn how to troubleshoot connectivity issues by relocating the device.
Determine your device's operating frequencies, physical characteristics, storage, and more.
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
Learn about the AT&T Secure Family app
Do your children have smart devices? Use Secure Family to locate their devices, manage their internet use, block apps or websites, and more.
Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.
Learn how to connect using the AT&T Cell Booster Pro ethernet ports.
Learn how to install the AT&T Cell Booster Pro behind a firewall, or behind a router with firewall capabilities.
Learn how to perform a soft, factory, or alternate master reset of your device.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
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.
When your device has limited coverage in certain areas, try moving your device to improve your signal.
Learn how to troubleshoot if AT&T Cell Booster GPS cannot be acquired.
Learn how to troubleshoot issues related to your phone not connecting to the AT&T Cell Booster Pro.
Learn how to troubleshoot issues related to poor voice quality.
Learn how to perform a soft, factory, or alternate master reset of your device.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.