ByHenry Wang 2019-01-05 6149
eSIM card is an embedded SIM card, which needs the support of carriers for use. The concept of eSIM card is to embed the traditional SIM card directly into the device chip, instead of adding the device as a separate removable component. Users do not need to insert a physical SIM card.
Because of the direct integration in the body, users can freely switch carriers without any restrictions as long as the network system supports.
From the point of equipment design, it can allow the equipment to leave more internal space to accommodate other components, and the smartphone body can be lighter and thinner.
The outbound roaming service is actually realized by using the eSIM technology. When you want to travel abroad, you can just buy the right package instead of replacing the local physical SIM card, which is very convenient for people who travel a lot.
If you want to add an eSIM to your iPhone XR or XS and either be a customer of one of the two carriers (or be willing to be one of them), follow these steps.
Your device's IMEI number (which identifies the unique number of your particular phone) is needed there. To find it, Please click "Settings"- "General"- "About".
Go to "Settings"- "Cellular"- "Add Cellular Plan". And then scan the two-dimensional code that is offered by the carrier. If the system requires you to enter a confirmation code to activate eSIM, please enter the number provided by the carrier.
Click "Manual Input" at the bottom of the iPhone screen. You can store many eSIMs there, but you can only use one at a time. To switch eSIM, click "Settings"-"Cellular Mobile Network"- "Cellular Mobile Number", and then click the number you want to use. Next, click "Enable this number".
AT&T and Verizon have switched on their support for eSIMs in iPhones, it's T-Mobile's turn. There's one big gotcha: it's currently limited to prepaid service.
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