Most of the time, when phones are found they are locked and have had their SIM CARDS removed.

大部分时间手机被发现的时候都是锁着的，或者是移除SIM卡的。

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To use our smart phones, most of us are still beholden to pieces of plastic known as SIM CARDS.

今天的智能手机用户仍离不开被称为SIM卡的小小塑料片。

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In the meantime I feel it should be possible to use prepaid SIM CARDS — designed primarily for voice as connections — for data.

与此同时，我觉得使用预付费的SIM卡来上网该是可行的，尽管其设计初衷是用于手机通话。

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There are often much better deals if you use SIM cards from each local carrier.

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The only way to know for sure is to try them out with individual SIM cards.

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Er, smaller, since the micro SIM cards in the iPhone 4 is already plenty small.

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