I know the T-Mobile people tell you not to go without the sidekick data plan. But I just want to phone simply for texting and calling. And the data plan is expensive(not that the sidekick isn't already). Will the Sidekick Slide function without the data plan? Thank you.I am buying the phone on Ebay, not from T-Mobile.

Does the Sidekick Slide work properly without a sidekick data plan?

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