How Does The New iPhone’s eSIM and Physical SIM Works?

Apple unveiled its new lineup of iPhones for 2018, and those smartphones comes with dual-SIM support. The phones include the iPhone XRiPhone XS and XS Max. The XR is the more affordable one among the trio.

Design-wise, the three new iPhones follows the last year design which sports the same notched display and facial recognition technology, thanks to iPhone X which pioneer these.

Apple Dual SIM functionality


Apple has also included a very long-awaited feature to its new iPhone lineup – 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.

Most of us in Nigeria and some other emerging markets prefers dual-SIM smartphones. Though markets such as China also boasts of high sales of dual-SIM phones. The introduction of dual-SIM Apple’s iPhone could enhance the company presence in such markets.

Rather than introducing dual SIM on tray, APple will use a single nano-SIM slot and an eSIM to provide dual-SIM functionality.

How Latest iPhone’s eSIM and Physical SIM 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.

Apple Dual 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.


This can be great for users who travel regularly, as they can 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 carriers would start working towards the eSIM realization program. The unwanted news is that, at the moment, only 14 networks across 10 countries support this standard.


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