Question

what is the difference between sim and dual sim card used in mobiles answer in brief

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Answer 1

Explanation:

What is Dual SIM?

Any mobile phone or smartphone requires a SIM (Subscriber Identification Module) card to connect to the mobile network. A smartphone or phone that can hold two different SIM cards at the same time is called a Dual SIM device. Having two SIM cards means that a Dual SIM smartphone can use either of the two SIMS to initiate or to receive phone calls.In other words, Dual SIM is a feature of some smartphones that allows them to hold and use two different SIM cards, simultaneousl

Why are Dual SIM smartphones useful? The advantages of Dual SIM!

For some people, having a Dual SIM smartphone can be useful. Take, for instance, businessmen and women who tend to have one phone number for their work and another number for their friends and family. A business person can either use two different smartphones, one for work and one for personal use, or use a Dual SIM smartphone, with both phone numbers active on it. Having one smartphone to carry around is more comfortable than carrying two smartphones.

Answer 2

Answer:

A SIM card (Subscriber Identification Module) is needed to connect a phone to a mobile network. Dual SIM phones have space for two SIM cards as well as memory cards.