hi guys I have a question I am buying the iPhone 4S for me . So I decide to give my current phone which is iPhone 3GS to my father in case he need the phone. Now what I want to know can I use SIM card on that phone if I disable the data plan . I am on the family plan and my dad don’t have any data requirement. Can anyone here can help me on this , I would be really glad to know this
thanks in advance
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