Apple iPhone 4 and iPad let everyone know an unfamiliar industry standards: Micro SIM card. The Micro SIM was developed by the European Telecommunications Standards Institute, there are no different with the SIM card we usually used, only different in sizes. So in order to turn your original SIM card to new micro SIM card for your new iPhone or iPad, you have to chop down to Micro SIM card form. You can do it with knife, scissors or any tools you like. But there is another way to do it easily by using this SIM trimmer without hurting the card. Simple to use, it accepts old school chips, smashes down on them with the full force of modernity, and spits out an appropriately streamlined Micro SIM. It cuts a perfect Micro Sim out of your normal sim. And with a special sim card holder(Micro SIM Adapter, included), you can still use your freshly cut Micro Sim as a normal sim.
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