Plastic SIM cards are steadily being phased out in favour of eSIMs which are supported by most major mobile network operators ...

Also called a "chip card," smart credit and debit cards adhere to the Europay, MasterCard, Visa standard (see EMV). Smart cards can also be programmed to self-destruct if the wrong password is ...

A subscriber identity module is a removable smart card for mobile phones. SIM cards store the required information to identify the mobile device. It also contains data required for voice ...

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal ...

If you desperately need to swap out the SIM card or install a microSD in your Android device, but can’t find the ejector tool that came with your phone, there are many household items you can ...