Device help
Find step-by-step help for your device.
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Browse device topics
Articles
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Articles
Learn how to set up AT&T Call Protect for an HD Voice-capable smartphone on your AT&T wireless account.
Articles
Activate and register the device via the web portal or mobile app.
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 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.
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 card type, operating frequencies, physical characteristics, storage, and more.
Articles
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Photos, videos, and media
Look at photos, watch videos, listen to songs, and more in just a few taps.
Articles
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Articles
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.
Articles
Learn how to install the AT&T Cell Booster behind a firewall, or behind a router with firewall capabilities.
Articles
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.
Articles
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.
The AT&T Cell Booster has a maximum range of approximately 3,000 square feet. Device range will fluctuate based on walls and other obstructions. Actual range might be limited by factors such as building materials, obstructions, and connected device capability.
Learn how to troubleshoot if Cell Booster GPS cannot be acquired.
Learn how to troubleshoot issues related to your phone not connecting to the AT&T Cell Booster.
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.
Fix common service and device problems.
Download the free ActiveArmor app to:
- Help block spam and fraud calls
- Secure your device and the stuff on it
- Get notified of data breaches
Use the device help app to:
- View customized device tutorials
- Run device health check
- Get help with common device issues