Do I need a phone to take full advantage of cellular data on Apple Watch?

My mom is interested in getting my sister an Apple Watch to use in place of a phone.


Can this be done without having a phone prior to use in conjunction with the watch? With the only limitation primarily be not able to send SMS messages, or would that be available? (My mom does have an iPhone, so I suppose she could send iMessages anyway.)

Posted on Mar 5, 2020 9:46 AM

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Posted on Mar 5, 2020 11:39 AM

DanielB_2013 wrote:

But the watch could still be used away from the iPhone it was paired with, correct? It seems that is what I read is possible with the iPhone turned off or away.

Yes, it can. But, it's still not independent of the phone. It shares a mobile number and an Apple ID. Messages will be shared, calls will ring on both devices. As noted above, an Apple Watch is not a stand alone device. It's more like an extension phone (if you're old enough to remember landlines and extensions!).


If you set the Apple Watch up using your mother's iPhone then, give the watch to your sister, it's going to be a mess.

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Question marked as Top-ranking reply

Mar 5, 2020 11:39 AM in response to DanielB_2013

DanielB_2013 wrote:

But the watch could still be used away from the iPhone it was paired with, correct? It seems that is what I read is possible with the iPhone turned off or away.

Yes, it can. But, it's still not independent of the phone. It shares a mobile number and an Apple ID. Messages will be shared, calls will ring on both devices. As noted above, an Apple Watch is not a stand alone device. It's more like an extension phone (if you're old enough to remember landlines and extensions!).


If you set the Apple Watch up using your mother's iPhone then, give the watch to your sister, it's going to be a mess.

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Do I need a phone to take full advantage of cellular data on Apple Watch?

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