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- Support
- Wireless
- Upgrades, orders & installment plans
- Bring your own device or number
- Add a line to an AT&T account
Add a line to an AT&T account
Learn how to get service for a new AT&T device or one you’re bringing from somewhere else.
For a new AT&T device
- Go to Shop smartphones, devices, and accessories.
- Select your device and follow the prompts. We strongly recommend you add device protection to insure your new phone or tablet against damage and loss.
- If you want to trade in your device, select Trade in your old device to start the process online.
- If you're transferring a number from another provider, select See if you can keep your number.
- Follow the prompts to add the device to your current plan or select a new plan.
- Follow the prompts to continue.
Heads up:
- If you have an installment plan, be sure you meet your plan’s eligibility requirements before trading in your smartphone. Learn about trade-in requirements
- If you choose a 5G phone but aren't on an AT&T Unlimited EliteSM, ExtraSM, or StarterSM plan, switch to an unlimited plan where all plans have 5G access1. View unlimited plans
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For a device you bought elsewhere
- First, find out which devices work on our network and make sure yours is on the list.
- Make sure your device is unlocked. Not sure how? Contact your current provider or the device manufacturer.
- Want to keep your phone number? See if it’s eligible to transfer. If it isn’t, check with your current provider.
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To add a device to your account:
Next steps
Good to know: If you start your number transfer in an AT&T store, the transfer completes in 1-3 business hours. If you ordered your new phone or SIM card online or over the phone, the transfer can take 3-5 business days. Non-wireless number transfers take a minimum of 5-7 business days. Check your transfer status
See all important details
- Go to your myAT&T account overview.
- Open the My wireless section and select Add a device under My devices & add-ons.
- Find Bring your own device and select Get started.
- Follow the prompts to order a new AT&T SIM card.
Next steps
- Check out our plans to see if you want to change yours
- Activate your device’s SIM card or eSIM
- Back up and transfer your data
Good to know: If you start your number transfer in an AT&T store, the transfer completes in 1-3 business hours. If you ordered your new phone or SIM card online or over the phone, the transfer can take 3-5 business days. Non-wireless number transfers take a minimum of 5-7 business days. Check your transfer status
See all important details
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