A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIMphones are popular with global travelers who use local and foreign carriers as well as people who want a business and ...
The two major types of dual-SIMphones 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 ...
When you have a dual-SIMphone, 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 ...