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 ...

Millions of mobile phones may be vulnerable to spying due to the use of outdated, 1970s-era cryptography, according to new research due to be presented at the Black Hat security conference. Karsten ...

When you use an iPad that comes with both Wi-Fi and cellular options for browsing the web, your device will have a removable Subscriber Identity Module, usually referred to as SIM cards. According to ...

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 ...

Switching carriers or using a different SIM card on your iPhone doesn’t have to be complicated. If your device is SIM-locked, ...

Find out how to trim your own micro-SIM card for use in phones that require this new format. Sharon Profis Former Vice President of Content, CNET Studios As vice president of CNET Studios, Sharon led ...

Pixel 10 RMA replacements surprise US owners with global variants featuring a SIM card slot, but with some connectivity trade ...

Apple may be dropping traditional physical SIM card support on iPhone 17 in additional countries this year, expanding from ...

Communications minister Fahmi Fadzil says the move will strengthen security and curb the use of multiple SIM card ...

In the United States, Apple quotes 30 hours streaming video playback for iPhone 17 Pro and 35 hours for iPhone 17 Pro Max.