Pay-as-you-go cell phone provider Straight Talk employs SIM cards, allowing you to use your own unlocked GSM or CDMA phone on the network or purchase one of the phones that the company offers directly ...

The sim card that exists inside your phone is what connects your phone to your specific cellular network. For most of us we might not even realize it’s there. When we get a new phone from our carrier, ...

Using two SIM cards, or enabling a dual-SIM setup, can be helpful when you need two separate phone plans on a single device. It easily lets you consolidate personal and work numbers on one phone, for ...

It took a long time -- more than 20 years, to be exact -- but the humble SIM card that sits within your phone, and seven billion others, has finally been hacked. Of the seven billion modern SIM cards ...

The world of eSIMs has taken a huge step forward over the past month, as first Google launched the eSIM-only Pixel 10 range in the US, and then Apple expanded the regions that were eSIM-only for the ...

A German security research lab revealed surprising security flaws in SIM cards. July 22, 2013— -- You're not going to get a text message asking to forward thousands of dollars to fund a Nigerian ...

Yesterday, Nokia had zero dual-SIM card phones. Today? Two. The C1-00 and C2 are both low-end candybars that won’t offer media-hungry people the phone they were looking for—but they will suit ...

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 ...