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 ...

In this Ask Maggie, CNET's Marguerite Reardon advises a reader looking to use a SIM card from a tablet to get data-only wireless service on his smartphone. Marguerite Reardon Former senior reporter ...

Although there are lots of dual SIM phones in the world today, few make the compromise of offering the second SIM card slot with a microSD card slot. This means that you can either use a second SIM ...

If you have an iPad that supports mobile broadband, you can get on the internet wherever you are without issues assuming there is a wireless signal. If you bought an iPad with WiFi only and then ...

Smartphones with SIM cards use the card to connect to the network that powers the phone. They can also store information like address book contacts on the card, making it easier to swap phones and ...

SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

In recent years, smartphone makers have adopted eSIM technology for convenience, with some phones ditching the physical SIM ...