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Can you do this?

I suppose you must be able to as I can put my current sim in other phones and it works ok, and the iPad is just a big iPhone right? ;)
 
Well both will use a micro sim and if you have an existing data plan with your iPhone I dont see why not?
 
I already have a separate line activated with microSIM with my AT&T account in my iPad; I also already have a microSIM in my iPhone and that I can put in my iPad.

I don't see what the fuss is all about…
 
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