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Apple Watch Ultra cellular without SIM

Hi,


I’ve just got myself an Apple Watch Ultra which (obviously) has cellular. I don’t have a phone plan which supports the watch, plus I’m not fussed about having cellular connection, so I’m going to use it without.


It just got me thinking: is the cellular antenna active at all, even though there’s no SIM? Is it broadcasting and checking it still doesn’t have connection, or is it totally turned off?


This is more just something I’m wondering about more than having any use for me to know.


Thanks!

Apple Watch Ultra, watchOS 9

Posted on Feb 17, 2023 9:03 AM

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Posted on Feb 17, 2023 9:20 AM

It will be active if you leave it active / turned on, and will show the no sim message.


You can turn it off, if you don't plan on using it.

  • To turn your cellular on or off, swipe up from the watch face to open Control Center. Tap the cellular button , then turn Cellular on or off.



3 replies

Apple Watch Ultra cellular without SIM

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