When you use an iPad that comes with both Wi-Fi and cellular options for browsing the web, your device will have a removable Subscriber Identity Module, usually referred to as SIM cards. According to ...

If you use a Wi-Fi + Cellular version of the iPad, your tablet may come with a SIM card slot tucked into the side. In the United States, the only major carriers that use SIM cards are GSM-type ...

If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...

Apple’s new iPad 3G will use a different type of SIM card, a Micro SIM card which is slightly smaller than existing SIM cards. It turns out that the design of the Micro SIM card will allow it to be ...