With a cellular connectionon AppleWatch, you can make calls, reply to messages, receive notifications, and more — even while you’re away from your iPhone.
Before you start
- Make sure that you have the latest software on your iPhone and your Apple Watch.
- Check forupdates to your carrier settings.
- Make sure that you have an eligible cellular service plan with asupportedcarrier. Your iPhone and Apple Watch must use the samecarrier,* and you must be within your carrier's network when you set up cellular on your watch.
- If you have an enterprise or corporate cellular service plan, check with your company or carrier to see if they support this feature. Pre-paid accounts and some older accountsaren’t currentlysupported. To make sure that your account is eligible, contact your carrier.
* An Apple Watch that you set up for a family membercan use a different carrier than your iPhone uses.
Set up cellular on Apple Watch
You can activate cellular when you first set up your AppleWatch,or when you set up a watch for a family member. During setup, look for the option to setupcellular, then follow the onscreen steps.
You can also set up cellular later from the Apple Watch app:
- On your iPhone, open the Apple Watch app.
- Tap the My Watch tab, then tap Cellular.
- Tap Set Up Cellular.
- Follow the instructions for your carrier. You might need to contact your carrier for help.
You might see a phone number assigned to your Apple Watch that differs from the phone number assigned to your iPhone. The number shown for your Apple Watch is for your carrier's billing or tracking purposes only; your iPhone and Apple Watch share the same number.
Set up cellular on a family member's Apple Watch
You can set up a cellular Apple Watch for a family member who doesn't have their own iPhone. If your cellular carrier supports the use of a managed Apple Watch, you're given the option to add the watch to your plan during setup. Look for the option to setupcellular, then follow the onscreen steps.If your carrier doesn't support cellular on a managed Apple Watch, you might be able to use an alternative carrier.
If you don't initially set up cellular on your family member's Apple Watch, you can do it later:
- Open the Apple Watch app on your iPhone.
- Tap All Watches, tap your family member's Apple Watch, then tap Done.
- Tap Cellular, then tap Set Up Cellular.
- Follow the instructions for your carrier. You might need to contact your carrier for help.
To see the phone number assigned to your family member's Apple Watch after you set up cellular, go to Settings on the watch, then tap Phone.
Setting up a managed Apple Watch for a family member is available only incertain countries or regions.
If you're in China mainland, you must verify your identity when setting up cellular on a family member’s Apple Watch, as required by local regulations. Contact your carrier for further assistance if needed.
Connect to a cellular network
Your Apple Watch with cellular automatically switches to the most power-efficient wireless available: It can connect to your iPhone when itʼs nearby, a Wi-Fi network, or cellular.When your watch connects to cellular, it uses LTE networks. If LTE isn't available, your watch will try to connect to UMTS if your carrier supports it.
When your watch connects to a cellular network, you can check the signal strength from Control Centeror the Cellular complication that you can add to most watch faces.To open ControlCenter, touch and hold the bottom of the screen, then swipe up.
The Cellular button turns green when you have a connection. The greenbars show the signalstrength.
The Cellular button turns white when your cellular plan is active, but your watch is connected via Bluetooth or Wi-Fi to youriPhone.
Learn what your Apple Watch can do while connected to Wi-Fi or cellular, even when your iPhone isn'tnearby.
Changing carriers
Your iPhone and AppleWatchmust use the same carrier, unless the watch was set up for a family member who doesn't have an iPhone. If you change carriers on your iPhone, you need to remove the previous service plan on your Apple Watch and sign up for a new plan.* Here's how:
- On your iPhone, open the Apple Watch app.
- Tap the My Watch tab, then tap Cellular.
- Your Apple Watch should automatically switch to the carrier that your iPhone is using. If you need to add a new plan, tap Add a New Plan, then follow the onscreen steps. If your previous plan still appears in the Apple Watch app, you canremove it.
If you need help, contact your carrier.
* Carrier fees may apply. Contact your carrier for details.
Transfer your cellular plan to a new Apple Watch
When you’re ready to start using a new Apple Watch, you can transfer cellular service from your old watch to your new one. Here’s how:
- Remove the cellular planfrom your old Apple Watch. You can do this from the Apple Watch app or by erasing your old Apple Watch.
- Pair your new Apple Watch with your iPhone. During setup, tap “Set up Cellular” to add a cellular plan.
- Some carriers allow you to transfer your existing plan to your new Apple Watch directly from the Apple Watch app.
- If you don’t see an option to transfer your cellular plan, contact your carrier for help.
Remove your cellular plan
You can remove your cellular plan at any time:
- On your iPhone, open the Apple Watch app.
- Tap the My Watch tab, then tap Cellular.
- Tap the information button
next to your cellular plan at the top of the screen.
- Tap Remove [carrier] Plan. Tap again to confirm.
- You might need to contact your carrier to cancel your cellularsubscription.*
When you erase and unpair your Apple Watch, you also get the option to remove the plan from your Apple Watch. When asked,choose Erase Allto remove the plan.
* Carrier fees may apply. Contact your carrier for details.
International roaming with your Apple Watch
With watchOS 9.1 and later, international roaming is available on cellular models of Apple Watch Series 5 and later, Apple Watch SE and later, and Apple Watch Ultra.
To get international roaming on your Apple Watch, contact your iPhone carrier to add your watch to your iPhone cellular roaming plan.For international roaming to work on your Apple Watch, yourcarrier must support VoLTE and roaming.Not all carriers support international roaming on Apple Watch and coverage in other countries is determined by your carrier.
To turn on international roaming, open the Settings app on your Apple Watch. Tap Cellular, then turn on Data Roaming.
To cover the LTE and UMTS bands used around the world,cellular models of Apple Watchcome inregional modelsfor theAmericas, China mainland, and Europe/Asia Pacific. UnlikeiPhone, there isn't a worldwide AppleWatchmodel that supports all cellular bandsused globally.Find outwhich carriers in your country or region offer cellular service for Apple Watch.
Learn more
- To check your cellular data usage, use the Apple Watch app. Open the app on your iPhone, tap the MyWatchtab, tap Cellular, then scroll to the CellularDataUsage section.
- To turn your cellular connection on or off, swipe up from the watch face to open ControlCenter. Tap the cellular button
, then turn Cellular on or off.
- Turning on cellular for extended periods uses more battery power. Also, some apps might not update without a connection to your iPhone.
- To receive SMS, MMS, or push notifications from third-party apps on your Apple Watch with cellular, your paired iPhone must be powered on and connected to Wi-Fi or cellular.
- Learn how to use Dual SIM with cellular models of Apple Watch.
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FAQs
Why isn't my cellular data working on my Apple Watch? ›
Check to see if Airplane mode is activated on your Apple Watch or paired iPhone. If Airplane mode is on, turn it off to reactivate cellular connectivity. Check for updates to your carrier settings. Check your cellular carrier settings are up to date.
Do you need cellular on Apple Watch to answer calls? ›If your cellular carrier offers Wi-Fi calling, you can use your Apple Watch to make and receive calls over Wi-Fi instead of the cellular network—even when your paired iPhone isn't with you or is turned off. Your Apple Watch just has to be within range of a Wi-Fi network that your iPhone has connected to in the past.
How do I know if cellular is working on my Apple Watch? ›To open Control Center, touch and hold the bottom of the screen, then swipe up. The Cellular button turns green when you have a connection. The green bars show the signal strength. The Cellular button turns white when your cellular plan is active, but your watch is connected via Bluetooth or Wi-Fi to your iPhone.
Should I set up cellular on Apple Watch? ›Is it worth having cellular on Apple Watch? Yes, it is definitely worth having a cellular Apple Watch. But, it comes down to your preferences. If you plan to use it with your Wi-Fi and your iPhone, the GPS version is the right choice for you.
How do I resync my Apple Watch cellular? ›Re-sync: Open Watch app > General > Reset > Reset Sync Data to re-sync your Apple Watch. Unpair: Open Watch app > All Watches > info button > Unpair Apple Watch twice > enter password > Unpair. Pair manually: Open Watch app > Start Pairing > Set Up for Myself > Restore from Backup > choose Watch.