Activate & Register

Activate & Register

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

Prenote info

In order to activate and register the device, you will need to install the AT&T Cell Booster mobile app from the Google Play Store for Android or the App Store for iOS.

1. From your device, navigate to and select the AT&T Cell Booster mobile app. Review the AT&T Cell Booster End User License Agreement and Terms and Use, select the Checkmark icon then select Accept.

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2. Select the "Personal or Small Business" account type, then enter your myAT&T user ID and password and select Sign In.

Note: If you have forgotten your AT&T user ID or password, click Forgot user ID? or Forgot password?. If you do not have an AT&T user ID, click Create one now and follow the on-screen prompts. Select Set up Cell Booster. Enter your account details, then select Next.

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3. Select Set up a Cell Booster, then enter your AT&T Cell Booster location details and select Next.

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4. Enter your AT&T Cell Booster location details then select Next.

5. Scroll through and confirm the AT&T Cell Booster details then select Confirm. When finished, select Next.

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6. With a successful registration, you are now ready to set up your device. Select Device Setup for instructions on setting up your device for the first time.

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