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 ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Zoe Thomas: The last time you switched cell phone carriers, you might remember ...

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

Apple is escalating its war on physical SIM cards with iPhone 17 and iPhone Air — but I don't want to give up the physical cards just yet.

Last week, U.S. Secret Service investigators found SIM servers in the Tri-State area that were capable of disabling cell ...

As many as one quarter of all mobile phones in use in the world today could be vulnerable to an SMS attack that allows hackers to gain full control of the phone. The vulnerability was discovered in ...

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 US Secret Service announced this morning that it has located and seized a cache of telecom devices large enough to "shut ...

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 ...

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 ...