If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...

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.

As a traveler, it isn’t environmentally friendly to obtain a new plastic SIM card in each country you visit and then dispose ...

Changing phone carriers can bring a lot of complication to your life. However, knowing exactly what your needs are can ease ...

SIM technology is a disruptive innovation. GSMA (Global System for Mobile Communications Association) released specifications ...

PC Magazine is your complete guide to computers, phones, tablets, peripherals and more. We test and review the latest gadgets ...

Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...

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

Apple’s latest iPhone Air has taken a bold step forward in mobile technology – it’s an eSIM-only device. That means there’s no slot for a physical SIM card, anywhere in the world, including India. For ...

Judging by Daniel Buck's credentials, it is unlikely he and I would agree on much politically. However, his opinion piece on a statewide ban of cell phones in schools is spot-on (“If WI wants to ...

A new teardown confirms Apple killed the SIM tray in the iPhone 17 lineup, using the space to pack in bigger batteries. The shift shows Apple squeezing every bit of space out of its devices while ...