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 ...

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 ...

All modern iPhones and iPads now use nano-SIM cards. Unfortunately, this can be a bit of a problem for anyone switching from an older device, because the nano-SIM is much smaller than the micro-SIMs ...