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 ...

The iPad's Subscriber Identity Module connects the tablet to cellular data when Wi-Fi is unavailable. Unlike the iPad Mini, which uses a nano SIM card, the standard iPad uses a slightly larger micro ...

The decision to use an unusually small SIM card in the iPad means current iPhone customers can't just use their iPhone's SIM in an iPad, as we reported last week. It appears increasingly likely that ...

What does the next ten years hold for the smartphone? Here's a few ideas. This small box, which fits neatly into the palm of your hand, allows you to make and receive calls, surf the internet at high ...