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

Krystle Vermes is a Boston-based news reporter for Android Police. She is a graduate of the Suffolk University journalism program, and has more than a decade of experience as a writer and editor in ...

What is a SIM card used for? A SIM card, or a subscriber identity module/subscriber identification module, is a tiny memory card that contains unique information and is linked to a particular network ...

It's been a bit over two years since T-Mobile merged with Sprint. T-Mobile discontinued the Sprint brand four months later, in August 2020, but many legacy Sprint subscribers have still yet to swap ...

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 ...

SIM swap fraud, in which a cellular service provider is duped into assigning a mobile phone number to a new SIM card is real and on the increase, according to experts. What's False SIM information ...

After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

Active SIM Checking Process: Today, your identity linked to your mobile number is your security. If a fraudulent SIM is ...

You can just buy a bare sim card at the T-Mobile store or online as well, I think it's $8 or something like that (with $5 of airtime credit). You can't technically activate the $30/mo plan in-store ...

I've been a T-Mobile customer for about 20 years and thanks to its generous support for military plans my family has enjoyed its services and coverage at very affordable rates. For the past month I've ...