A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

A dual-SIM setup lets you use one phone to make and receive calls and texts from two numbers. It's also super convenient and can save you serious cash when traveling. We show you how to use two SIMs ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

Seeing a SIM Not Provisioned error message on your Android phone can be extremely annoying. Here's what's causing it, and how ...

However, users need to be careful because deleting an eSIM by mistake will immediately disconnect the network.

For the past three generations of the iPhone, Apple has stood alone in a particular area: eSIMs. Apple made a shift that many had anticipated since the first eSIM was launched in 2016, dropping the ...

Google follows in Apple's footsteps by nixing support for physical SIM cards from its US Pixel 10 phones. The company says most US Pixel owners already use eSIM. I’m PCMag’s managing editor for ...

Whether you're traveling internationally or just looking to change your cell provider, an eSIM is an easy way to add multiple lines to your phone. I started my career with CNET all the way back in ...