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 ...

Joe's first real experience with tech came at the tender age of six when he started playing Final Fantasy IV (II on the SNES) on the family's living room console. As a teenager, he cobbled together ...

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 ...

The APN, or Access Point Name, is the setting on an iPad that determines which cellular data network the device uses to connect to the Internet when it is not using Wi-Fi. You will need to change the ...

If you plan to sell your iPad or iPad 2 before the new iPad’s release, likely coming next month, then removing your Sim Card and canceling 3G service might be a good idea. You will also want to erase ...

All iPhones and iPads with cellular have a slot on their sides that houses the Subscriber Identity Module (SIM) card provided by your mobile carrier. The SIM card enables your device to access the ...

While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

So you’ve chosen Ultra Mobile as your carrier. Great choice! But before you start enjoying those international calling features or high-speed data, you need to install your SIM card. Don’t worry; ...

Verizon doesn't currently offer a data-only plan for smartphones. Using the new iPad and an LTE SIM card, you can have a data-only plan in a few minutes. Jason Cipriani Contributing Writer, ZDNet ...