Android for Beginners: what are dual-SIM phones and how do they work?

You may have heard of, or are interested in, using smartphones that employ dual-SIM cards but aren’t exactly sure how it all works. Is it more expensive? Does one need to change mobile carrier? Which smartphone should I buy? Here are some answers to set you on the right track.

© AndroidPIT

How does it work?

First of all, be aware that all smartphones equipped with two SIM card slots come with a SIM manager. This allows the smartphone to manage its dual-SIM capability. For example, you can decide which SIM you want to mainly use, as well as manage their data usages separately.

Depending on the manufacturer, there are options allowing one to associate a function to a SIM card by default, like which one handles outgoing calls or connects with 3G or 4G, for example.

Also, many messaging apps also support dual SIM: you can choose which SIM card you would like to use to send a message. The developers of Go SMS Pro, for example, have added dual-SIM support to their application.

See Full Story on

Leave a Reply