How The Apple eSIM and Dual SIM Works

johnboscoville

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Apple Inc. has launched its new lineup of iPhones, which include the iPhone Xs and Xs Max, as well as the more affordable iPhone Xr.

All of the devices have the same notched display and facial recognition technology that was first featured on last year’s iPhone X.

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Apple has also added a long-awaited feature to its new iPhone flagship – dual-SIM support.

The manufacturer has implemented Dual-SIM Dual-Standby functionality in its new devices, which allow users to use two different phone numbers on a single smartphone.

Some of us are used to dual-SIM smartphones having a SIM tray with two nano-SIM slots – but Apple’s new iPhones do not work this way.

Instead, the company will use a single nano-SIM slot and an eSIM to provide dual-SIM functionality.

How Does eSIM Works?
An eSIM is an embedded SIM card which is built into the device and needs to be enabled by a mobile network to function as a second SIM.

Once you have inserted your nano-SIM into the physical SIM slot on the device and have activated its eSIM with your chosen mobile network, you can use both numbers interchangeably.

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This can be great for users who travel regularly, as they can easily register their eSIM with their local mobile network and swap out the physical SIM for others when traveling abroad.

Users can also take advantage of the best deals available on multiple networks by using the physical SIM for calling and texting, and the eSIM for mobile data usage – or vice versa.

The good news is that more and more carriers should start waking up to the eSIM reality. The bad news is that, at the moment, only 14 networks across 10 countries support this standard.
 
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