Apple iPhone 4 and iPad let everyone know an unfamiliar industry standards: Micro SIM card. It 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 you have to chop down to Micro 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 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 card holder (SIM Adapter), you can still use your freshly cut it as a normal SIM.
Using this SIM adapter saves time, money, and the inconvenience of having 2 SIM cards when you only need one.This Adapter changes it that can only be used in an iPad, to a full sized SIM that can work in any phone, laptop or device that has a card slot. You can also cut a regular sized Card to be the size of a Micro Card and use it in the iPad or iPhone 4G. This Adapter can be used in any device that accept 3G Card, not just the iPhone, such as:Wireless Router, 3G USB Modem, Any 3G Cell Phone, Laptop with card slot.