Determine Cellular Capabilities - Apple Watch®

For more info on the wireless capabilites of your Apple Watch Series 3, view this info.

Note Notes:

  • Your Apple Watch Series 3 / Series 4 allows you to stay connected once paired with a compatible iPhone.
  • Use the table below to determine your Apple Watch's capabilities while your iPhone is powered on or off.
  • Refer to the Messaging support page for more info on message types (e.g., iMessage, SMS, etc.). For general support questions, refer to the Apple Watch page.

When you are actively using your iPhone (i.e., making a call, sending a text), notifications received only appear on your iPhone and won't be shared with your Apple Watch.

Watch Function iPhone must be ON iPhone can be OFF Conditions
Initial Activation Yes No

iPhone must be on iOS 11 or later
and connected to the Watch via Bluetooth
Note Both devices (iPhone and Watch) must be charged and kept close together while they are paired and synced

Make Calls (Incoming/Outgoing)

No

Yes

Watch needs to be connected to Wi-Fi or cellular
Note iPhone doesn't need to be within range of the watch

iMessages (Send/Receive)

No

Yes

Watch needs to be connected to Wi-Fi or cellular
Note iPhone must have iMessage enabled but does not need to be within range of the watch
SMS Messages (Send/Receive)

Yes

No

Watch needs to be connected to Wi-Fi or cellular
Note iPhone does not need to be within range of the watch

Apple (first-party) App Notifications

No

Yes

Watch must be connected to Wi-Fi or cellular.
Note iPhone does not need to be within range of the watch
Third-party App notifications (e.g., Facebook, Instagram, Twitter, etc.)

Yes

No

Watch must be connected to Wi-Fi or cellular
Note iPhone does not need to be within range of the watch

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