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 ...

Mobile manufacturers have created ingenious phones that are able to handle more than one SIM card at any given time. For example, mobile handset manufacturer Samsung recently announced a multi-SIM ...

The two major types of dual-SIM phones are active and standby. Dual-SIM Standby (DSS) requires the user to specify which of the two SIMs is able to make and receive calls, while Dual-SIM Active ...

When you have a dual-SIM phone, you will be able to use different SIM cards for making calls on separate numbers and also send texts using different numbers. Most WhatsApp users think that it is ...