The basic pairing process
To connect an Apple Watch to an iPhone, you need both devices nearby, both powered on, and both with Bluetooth turned on. Open the Apple Watch app on your iPhone, tap the "Pair a new watch" option, and hold your iPhone's camera over the animation code on the watch's pairing screen. The devices will exchange information automatically. Once pairing completes, you'll set up which apps sync to the watch and which notifications it receives.
The whole process takes about five to ten minutes. Your iPhone and watch stay connected through Bluetooth as long as they're within roughly 30 feet of each other and neither device is in airplane mode. If you walk away from your phone, the watch can still receive notifications if it's connected to a Wi-Fi network you've used before.
Key Takeaways
- Pairing requires both devices powered on, Bluetooth enabled, and within a few feet of each other during setup.
- You initiate pairing from the Apple Watch app on your iPhone, not from the watch itself.
- After pairing, your watch and phone stay connected through Bluetooth as long as they're within range.
- A paired watch can use Wi-Fi to stay connected to notifications even when your phone is not nearby.
- If pairing fails, restarting both devices and ensuring Bluetooth is on usually solves the problem.
What you need before you start
Your iPhone must be running iOS 17.1 or later, and your Apple Watch must be running watchOS 10.1 or later. You can check these versions in Settings on each device. Both devices need to have Bluetooth enabled — check the Bluetooth toggle in Control Center on your iPhone and in Settings on your watch.
Make sure your iPhone's Wi-Fi is on as well, even though pairing itself uses Bluetooth. The watch will use your phone's Wi-Fi network during setup to read apps and settings. Have your Apple ID password ready if you're setting up a new watch, because the pairing process will ask for it.
Step-by-step pairing instructions
Start with your Apple Watch powered on. If it's new, it will show a pairing screen automatically. If you're pairing an existing watch, restart it first by holding the side button until you see "Power Off," then slide to turn it off. Wait a few seconds, then hold the side button again until the Apple logo appears.
On your iPhone, open the Apple Watch app — it's the icon that looks like a small watch face. Tap "Pair a new watch" at the bottom of the screen. Position your iPhone's camera about four inches from the animation code on your watch's screen. Keep the watch steady and let your phone scan the code. You'll see a message when the scan is successful.
Next, choose whether this is a new watch or an existing one you've owned before. If it's new, you'll create a new pairing. If it's an existing watch, you can restore from a backup to get your apps and settings back automatically. Follow the prompts to set your location, enable or disable Siri, and choose which notifications the watch should receive.
When pairing fails or gets stuck
If the camera won't scan the animation code, try moving closer or adjusting the angle. Make sure the watch screen is clean and you're holding it steady. If scanning still doesn't work, you can tap "Can't scan?" and enter your watch's serial number manually instead — you'll find it on the original box or in Settings on the watch under General > About.
If pairing starts but stops partway through, restart both devices. Power off your iPhone completely, wait ten seconds, and turn it back on. Restart your watch using the side button method described above. Then try pairing again from the beginning. If you still have trouble, unpair the watch completely by opening the Apple Watch app, tapping the watch at the top, tapping the info icon, and selecting "Unpair Apple Watch." Then start fresh.
Occasionally the Bluetooth connection itself is the problem. Go to Settings on your iPhone, tap Bluetooth, and look for your watch in the list. If it appears, tap the info icon next to it and select "Forget This Device." Then restart both devices and try pairing again. This clears out any corrupted connection data.
What happens after pairing is complete
Once pairing finishes, your watch and phone are linked through Bluetooth. They'll automatically reconnect whenever they're near each other. You don't need to pair them again unless you unpair them intentionally or reset one of the devices to factory settings.
Your watch will now show notifications from your iPhone — calls, texts, calendar alerts, and app notifications depending on what you've allowed. You can customize which apps send notifications to your watch by opening the Apple Watch app on your iPhone, going to Notifications, and toggling each app on or off. Messages and calls always come through unless you've specifically silenced them.
If your watch has cellular service, it can stay connected to notifications even when your phone is not nearby, as long as it's connected to a Wi-Fi network. Without cellular, the watch needs to be within Bluetooth range of your phone to receive notifications. You can see whether your watch has cellular by looking at the top right of the watch face — a cellular watch shows a small antenna icon.
Keeping your devices connected
Your watch and phone stay paired until you unpair them. They'll reconnect automatically each time they come within range, as long as Bluetooth is on. You don't need to do anything to maintain the connection — it happens in the background.
If your watch keeps disconnecting from your phone, check that Bluetooth is still on in Control Center on your iPhone. If you've been away from your phone for a long time, the watch may take a minute or two to reconnect when you come back into range. If disconnections happen frequently, try unpairing and repairing the devices, or restart both by powering them off and back on.
Unpairing your watch from your iPhone
To disconnect your watch from your iPhone, open the Apple Watch app on your phone, tap the watch icon at the top, tap the info icon, and select "Unpair Apple Watch." You'll be asked to confirm. Unpairing erases all apps and data from the watch, so you'll need to pair it again to use it.
You might unpair your watch if you're selling it, giving it to someone else, or switching to a different iPhone. After unpairing, the watch returns to its factory state and can be paired with a different iPhone or set up as new.
Frequently Asked Questions
Can I pair my Apple Watch with more than one iPhone?
No. An Apple Watch can only be paired with one iPhone at a time. If you want to use it with a different iPhone, you must unpair it first, then pair it with the new phone. Unpairing erases the watch, so you'll set it up fresh on the new device.
What if my iPhone and watch are different generations?
Most Apple Watch models work with most recent iPhones, but older watches may not work with the newest iPhones. Check Apple's compatibility list by searching "Apple Watch compatibility" on Apple's website. The list shows which watch models work with which iPhone models based on their operating system versions.
Do I need a Wi-Fi network to pair my watch and phone?
You don't need Wi-Fi to complete the pairing itself — Bluetooth handles that. But having Wi-Fi on during setup helps the watch read apps and settings faster. After pairing, a Wi-Fi connection lets your watch stay connected to notifications even when your phone is out of range.
Why does my watch keep asking me to pair it again?
This usually means the pairing didn't complete properly. Restart both devices, make sure Bluetooth is on, and try pairing again. If it keeps happening, unpair the watch completely, restart both devices, and pair from scratch. If the problem continues, the watch may have a hardware issue and may need service.
Can I pair my watch if my iPhone is in airplane mode?
No. Airplane mode turns off Bluetooth, so pairing won't work. Turn off airplane mode on your iPhone before you start. After pairing is complete, you can turn airplane mode back on if you want, but your watch won't receive notifications while airplane mode is active.