What is an eSIM and How Does it Work?
What is an eSIM and How Does it Work?
An eSIM, which stands for embedded subscriber identity module, is a digital SIM card that is built directly into your device. Unlike a traditional physical SIM card that you have to insert, an eSIM is a small chip that is permanently part of the device's hardware.
Here's how it works:
Built-in chip: The eSIM is a reprogrammable chip inside your smartphone, tablet, or other device.
Digital profile: Instead of swapping physical cards to change carriers, you download a digital "eSIM profile" from your mobile network provider. This profile contains all the information needed to connect to their network, such as your phone number and data plan details.
Activation: You can activate the eSIM by scanning a QR code provided by your carrier or by using an app. This process securely downloads and installs the necessary software onto the embedded chip.
Multiple plans: Many devices can store multiple eSIM profiles, allowing you to switch between different mobile plans or carriers easily without needing to physically swap cards. This is particularly useful for international travel, as you can add a local data plan without removing your home country's SIM.
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