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Samsung Galaxy Watch Active2 (SM-R825U/SM-R835U)


Learn how to use one smartphone number across multiple devices to send and receive texts, make and receive calls, and more.



With AT&T NumberSync™, once you sync devices to your smartphone number, you can make and receive voice or video calls from whatever device you choose. Video calls require an AT&T Video Call-capable smartphone. Your smartphone number will display on the call recipients caller ID. Certain restrictions, requirements or limitations may apply. Visit NumberSync Support or att.com/numbersync for more details.

1. From the clock screen, press the Power/Home button, then select the settings app Settings app

Note: To set up NumberSync you must first connect your watch to an AT&T Cellular Network. For more information on connecting to the AT&T Cellular network, view the Getting Started tutorial

2. Scroll to and select Connections, then scroll to and select AT&T NumberSync.


3. Select Get started, then select the Checkmark icon

step 2

4. From your paired device, enter your AT&T User ID and Password then select Log in.

step 3

5. You will receive a 5-digit code on the watch. From your paired device, enter the 5-digit sync code from the watch > select the I accept the Terms & Conditions checkbox > Sync.

step 4

6. Your watch will be listed under Synced watches.

Note: To unsync your watch select Unsync this watch. 

step 5

7. When sync is complete, select DONE on the watch.


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