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Message: <blockquote data-quote="Polly" data-source="post: 2696187" data-attributes="member: 236873">I wanted to get the iPhone 4 ios but I don't want a data plan with it. If I get an unlocked one and just put a t-mobile sim card into it, would I be able to text, call, etc, (would i be able to send pictures??) and use apps, like Facebook, Twitter, Instagram, etc when I'm in a wifi zone.. What about listening to music? Is that all the same as an iPod Touch?Also while researching, I read something about trimming the sim card? Why would I need it and how would I do it?Thanks in advance!!!! -Paulina</blockquote>