Dual SIM Mobiles - DualSIM

Dual SIM Mobiles are phones in which you can put two SIM cards simultaneously. The two SIM cards will be operational at the same time on such mobiles.

Apart from dual SIM mobiles, dual SIM devices are there which help to put two cards at the same time. Such devices are made in mini circuit boards.

But two SIM cards cannot be operated together in such devices.

In modern mobilephones there is no need to switch SIM. It detects dual cards automatically.

Dual SIM mobiles will be useful for people who have multiple phone connections. There are some mobile phones in which we can use CDMA and GSM SIM together.