rSIM is a new SIM tech that lets you pack a backup SIM in your SIM card. It claims to test your device’s connection directly from the SIM itself and switches providers automatically during disruptions ...

Removing a SIM card from your phone can sometimes seem like a daunting task, but it is a relatively straightforward process that can be necessary for various reasons, such as switching carriers, ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another. I started my career with CNET all the way back in ...