How to Activate an AT&T eSIM Card

eSIMs (embedded SIMs) offer a convenient alternative to traditional physical SIM cards, allowing you to activate cellular service without needing to insert a plastic card. AT&T supports eSIMs for compatible devices, streamlining the activation process. This article provides a comprehensive guide on how to activate an AT&T eSIM visit att.com/activateprepaid.   

Checking eSIM Compatibility

Before proceeding, ensure your device is compatible with AT&T’s eSIM service. Most newer smartphones, tablets, and smartwatches support eSIM functionality. You can usually find this information in your device’s specifications or by contacting the device manufacturer.

Methods for Activating an AT&T eSIM

There are two primary ways to activate an AT&T eSIM:

1. Using a QR Code:

This is the most common and straightforward method:

1. Obtain a QR Code: You can obtain an eSIM QR code in a few ways:
   • Online Order: If you purchased a new device or service online from AT&T, the QR code might be emailed to you or included in your order confirmation.
   • AT&T Store: Visiting an AT&T retail store is another way to obtain an eSIM QR code. A representative can provide you with a printed QR code.   
   • AT&T Website/App: In some cases, you may be able to access the QR code through your AT&T online account or the myAT&T app.
2. Connect to Wi-Fi: Ensure your device is connected to a stable Wi-Fi network.
3. Access Device Settings: Navigate to your device’s settings menu.
4. Find Cellular/Mobile Data Settings: Look for options like “Cellular,” “Mobile Data,” “Connections,” or similar wording.
5. Add a Cellular Plan/Add eSIM: Look for an option to “Add a Cellular Plan,” “Add eSIM,” or “Scan QR Code.” The exact wording may differ slightly depending on your device’s operating system (iOS or Android).
6. Scan the QR Code: Position your device’s camera to scan the QR code you received. Ensure the entire QR code is within the camera’s frame.
7. Confirm Activation: After scanning the QR code, your device will attempt to connect to the AT&T network. Follow the on-screen prompts to confirm the activation process. This may involve confirming your plan details and accepting terms and conditions.

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2. Manual Entry (Less Common):

In some cases, you might not have a QR code. AT&T may provide you with activation details that you can enter manually:

1. Obtain Activation Details: Contact AT&T customer support or visit an AT&T store to obtain the necessary activation details, which may include an SM-DP+ address and an activation code.
2. Follow Steps 2-5 from the QR Code Method: Connect to Wi-Fi, access your device’s cellular settings, and find the option to add a cellular plan.
3. Choose Manual Entry: Instead of scanning a QR code, look for an option to enter the details manually.
4. Enter the Provided Information: Carefully enter the SM-DP+ address and activation code provided by AT&T.
5. Confirm Activation: Follow the on-screen prompts to complete the activation process.

Troubleshooting

If you encounter issues during eSIM activation:

• Check Wi-Fi Connection: A stable Wi-Fi connection is essential for the activation process.
• Restart Your Device: Sometimes a simple restart can resolve temporary software glitches.
• Verify QR Code/Activation Details: Double-check that you are using the correct QR code or activation details.
• Contact AT&T Support: If you continue to have problems, contact AT&T customer support for assistance. They can verify your account details and help troubleshoot any technical issues.
• Check Device Compatibility: Ensure your device fully supports AT&T’s eSIM functionality.

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By following these steps, you should be able to successfully activate your AT&T eSIM and enjoy cellular service without a physical SIM card.