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, ...

The cut corner on a SIM card serves a crucial practical purpose: ensuring correct orientation and preventing damage to the ...

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

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

The last thing any traveler needs is for their phone signal to drop out at the wrong moment. Luckily, these tips will help ...

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 iPhone Air will only have an eSim - will other phone makers also shift away from the familiar - but fiddly - plastic ...