Whether you’re on the go or going for a jog, you can leave your phone behind and stay connected with NumberSyncSM for Apple Watch (Cellular). Make and receive calls on your watch over a cellular connection, even when your phone is not nearby or powered on. You also can send and receive text* messages using your smartphone number your friends and family already know. For text messaging, just make sure your phone is powered on and connected to the AT&T network so all of your messages can be received on your watch.
Requirements to use NumberSyncSM for Apple Watch (Cellular)
NumberSync for Apple Watch (Cellular) lets your watch work on the AT&T domestic cellular network.1 You can talk and text* from your watch using your AT&T iPhone number and use cellular data. The Watch must have its own cellular plan to use NumberSync for Apple Watch (Cellular) service.
Once you have purchased an AT&T cellular plan for your watch, you will use NumberSync for Apple Watch (Cellular) to automatically connect to the AT&T domestic cellular network, even when there is no available Wi-Fi network or your iPhone is not nearby.
NumberSync for Apple Watch (Cellular) works where the AT&T domestic network is available (U.S., Puerto Rico and the U.S. Virgin Islands). Calls and texts over Wi-Fi are also supported on the watch. The watch does not support cellular roaming when traveling abroad.
Yes, your watch must be synced with your iPhone to have access to the AT&T cellular service.
There is no additional cost beyond that of each cellular plan for the watch and iPhone. The following plans are eligible for the watch:
Mobile Share Value
Mobile Share Advantage
Both NumberSync for Apple Watch (Cellular) and NumberSync for Apple let you turn other Apple devices into additional phones that all share the same AT&T smartphone number as your iPhone. The difference is NumberSync for Apple Watch (Cellular) lets your watch work on the AT&T domestic cellular network.
Yes, you can sync your Apple watch with any iPhone that has been set up for AT&T HD Voice on your billing account. NumberSync for Apple Watch (Cellular) requires the use of an iPhone set up with AT&T HD voice service running iOS version 11.0 or higher. To learn more about NumberSync service with other smartphones or other watches, go to the Wearables tab
You can sync up to 3 Apple watches to a single iPhone. The iPhone and all synced watches must each have a cellular rate plan and be on the same billing account.
You can use data and make and receive calls on your watch even if your iPhone is off. However, in order to send or receive text messages your iPhone must be on and connected to the AT&T network.
Yes. You can place a call to 911 from your watch when connected to the AT&T cellular network even if your iPhone is off.
Yes. The Apple Watch Series 3 (GPS + Cellular) has an AT&T mobile number and associated plan that will appear on your monthly bill. Note, the watch mobile number cannot be used for voice, data or text messaging from the watch. Please remember to complete NumberSync setup to use your watch on the AT&T cellular network with your iPhone number. With NumberSync active, calls and messages using your watch will display your AT&T iPhone number.
1NumberSync for Compatible Apple Watch (Cellular): NumberSync for Compatible Apple Watch (Cellular): Must complete NumberSync setup for watch to have access to the AT&T cellular network. Watch must be synced with an HD-voice activated iPhone on the same AT&T postpaid wireless account. Voice/Data Charges: Calls to international numbers using NumberSync are subject to international rates consistent with rate plans or international package. When watch is not connected to Wi-Fi or Bluetooth, voice/data charges will apply to usage over the cellular network and will be deducted from your wireless plan for your watch. Watch does not support roaming. *SMS/MMS text messaging requires that your synced smartphone must be powered on so SMS/MMS messages may be forwarded to your watch. iMessage must be enabled and your smartphone must be connected to the AT&T network via either a cellular or Wi-Fi connection. If using a Wi-Fi connection, your smartphone must have Wi-Fi calling activated.
2911 Calls: If you cannot be located using location information obtained from your watch, 911 calls will be routed based on the address you provide in the NumberSync settings of your watch.
911 calls are not supported outside the U.S., Puerto Rico, or U.S.Virgin Islands. TTY Limitations for 911 Calls & Real-Time Text. Due to technical limitations, NumberSync cannot be used with TTY devices or Real TimeText. Persons with communications disabilities can still reach 911 services by either: (1) calling 911 directly using a TTY over the cellular network or from a landline telephone, or (2) sending a text message to 911 directly (in areas where text-to-911 is available) from a wireless device, or (3) using relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone, or (4) using relay services to place a IP Relay or IP CTS call over a cellular data or other IP network. Additional restrictions: NumberSync cannot be used to initiate calls to 211, 311, 511, or 811. Not compatible with Smart Limits, Ringback Tones, OfficeDirect, or OfficeReach.
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