![]() ![]() That means that when one SIM card works, the other is unreachable. A Dual SIM Passive phone is capable of using two different SIM cards, but only one of them can be active at any time. Dual SIM Single Standby (Passive) - this is the worst implementation of the Dual SIM technology, and affordable phones commonly use it.These are the types of Dual SIM implementations available: If you decide to purchase a Dual SIM smartphone, you should know that there are several types of Dual SIM implementations that work differently, and some are better than others. How does Dual SIM work? What types of Dual SIM modes are there? If your Android smartphone is Dual SIM and you want to learn how to configure it, follow the steps shown in this guide: How to set a Dual SIM smartphone with Android (default SIM for calls, SMS, data, etc). If you travel a lot abroad, you can use one SIM card in your home country and the other SIM slot for cards you purchase in the countries you travel to, for better or cheaper coverage. Another benefit is that you can use two mobile providers simultaneously if your phone is not locked into a specific network, which means that you can get more mobile coverage. ![]()
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