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Yes all will still work. Will just say no sim or no service. I still use my original iPhone as a media device
 
you need to insert a sim at least once to activate it (you can use someone elses at&t sim for this), after that yeah you can use it without a sim.
 
Great to know. Thanks for the info, at least when I receive it I would be able to use it until someday an unlocking solution appears.
 
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