Uploaded April 2026 | Updated September 2026, 2 weeks ago
This quick walkthrough is ideal if you’re upgrading devices and need to pair your Apple Watch to a new phone, or if you’re setting up an iPhone and Apple Watch for the first time.
Step 1: Keep iPhone On and Nearby
Ensure your iPhone is turned on and nearby to begin pairing. This is required to connect Apple Watch to iPhone successfully. Make sure you have your AT&T user ID and password ready if you are pairing to a new device.
Step 2: Turn On Apple Watch
Power on your Apple Watch to start the pairing process with your iPhone. A charged watch is essential when you have your Apple Watch pair to the new phone or complete a first-time setup.
Step 3: Open the Watch App on iPhone
Open the Watch app on your iPhone to initiate pairing. The app will guide you through the steps to connect the Apple Watch to the iPhone and sync your iPhone and watch correctly.
Step 4: Follow the Prompts to Pair
Follow the on-screen prompts in the Watch app to pair your Apple Watch with your iPhone. Keep in mind that your Apple Watch can only be synced to one wireless number at a time.
Step 5: Follow the Prompts to Set Up Cellular Service
Complete setup by following the prompts to set up cellular service with AT&T NumberSync. This step is especially important when you pair your Apple Watch to a new phone and want calls, texts, and notifications to work seamlessly across your iPhone and watch.
Learn how to pair the Apple Watch to an iPhone: att.com/features/numbersync
Subscribe to our channel! / att
#applewatch, #iphonesetup, #iphone
At AT&T, we believe that Connecting Changes Everything. And we love connecting you to the people, passions and experiences you love most. That means bringing you exclusive content with your favorite athletes, artists and celebrities, tutorials, product demos, new device features, and more stories from the heart of AT&T.
Visit the AT&T Website: att.com Like AT&T on Facebook: / att Follow AT&T on X: http://x.com/att Follow AT&T on Instagram: / att Follow AT&T on LinkedIn: / att For Customer Care issues: https://x.com/ATTHelp For Business Customer Care issues: https://x.com/ATTBusinessCare"
Subscribe to our channel! youtube.com/att
At AT&T, we believe that Connecting Changes Everything. And we love connecting you to the people, passions and experiences you love most. That means bringing you exclusive content with your favorite athletes, artists and celebrities, tutorials, product demos, new device features, and more stories from the heart of AT&T.
Visit the AT&T Website: att.com
Like AT&T on Facebook: facebook.com/att
Follow AT&T on X: http://x.com/att
Follow AT&T on Instagram: instagram.com/att
Follow AT&T on LinkedIn: linkedin.com/company/att
For Customer Care issues: https://x.com/ATTHelp
For Business Customer Care issues: https://x.com/ATTBusinessCare
This quick walkthrough is ideal if you’re upgrading devices and need to pair your Apple Watch to a new phone, or if you’re setting up an iPhone and Apple Watch for the first time.
Step 1: Keep iPhone On and Nearby
Ensure your iPhone is turned on and nearby to begin pairing. This is required to connect Apple Watch to iPhone successfully. Make sure you have your AT&T user ID and password ready if you are pairing to a new device.
Step 2: Turn On Apple Watch
Power on your Apple Watch to start the pairing process with your iPhone. A charged watch is essential when you have your Apple Watch pair to the new phone or complete a first-time setup.
Step 3: Open the Watch App on iPhone
Open the Watch app on your iPhone to initiate pairing. The app will guide you through the steps to connect the Apple Watch to the iPhone and sync your iPhone and watch correctly.
Step 4: Follow the Prompts to Pair
Follow the on-screen prompts in the Watch app to pair your Apple Watch with your iPhone. Keep in mind that your Apple Watch can only be synced to one wireless number at a time.
Step 5: Follow the Prompts to Set Up Cellular Service
Complete setup by following the prompts to set up cellular service with AT&T NumberSync. This step is especially important when you pair your Apple Watch to a new phone and want calls, texts, and notifications to work seamlessly across your iPhone and watch.
Learn how to pair the Apple Watch to an iPhone: att.com/features/numbersync
Subscribe to our channel! / att
#applewatch, #iphonesetup, #iphone
At AT&T, we believe that Connecting Changes Everything. And we love connecting you to the people, passions and experiences you love most. That means bringing you exclusive content with your favorite athletes, artists and celebrities, tutorials, product demos, new device features, and more stories from the heart of AT&T.
Visit the AT&T Website: att.com Like AT&T on Facebook: / att Follow AT&T on X: http://x.com/att Follow AT&T on Instagram: / att Follow AT&T on LinkedIn: / att For Customer Care issues: https://x.com/ATTHelp For Business Customer Care issues: https://x.com/ATTBusinessCare"
Subscribe to our channel! youtube.com/att
At AT&T, we believe that Connecting Changes Everything. And we love connecting you to the people, passions and experiences you love most. That means bringing you exclusive content with your favorite athletes, artists and celebrities, tutorials, product demos, new device features, and more stories from the heart of AT&T.
Visit the AT&T Website: att.com
Like AT&T on Facebook: facebook.com/att
Follow AT&T on X: http://x.com/att
Follow AT&T on Instagram: instagram.com/att
Follow AT&T on LinkedIn: linkedin.com/company/att
For Customer Care issues: https://x.com/ATTHelp
For Business Customer Care issues: https://x.com/ATTBusinessCare










