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 ...

Since a SIM links a phone to a specific carrier (service provider), billing account, and phone number, a dual-SIM phone can be linked to two different phone numbers associated with two different ...

You’ve likely seen the term “dual-SIM” before, but you may find yourself wondering what that means or why such a thing would exist. Stateside, dual-SIM phones are practically unheard of, mainly due to ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...

Dual SIM Dual Standby and eSIM are both relatively recent additions to Apple's mobile device lineup. Here's what they are and what they mean to iPhone and Apple Watch users. Modern mobile devices are ...