In recent years, mobile communication technology has become increasingly smarter and more convenient for users. One of the most significant developments in this field is eSIM technology, which has revolutionized the way we connect to mobile networks.
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What is an eSIM card?
An eSIM (embedded SIM) is a virtual SIM module that replaces the physical SIM card in a mobile device. Unlike traditional SIM cards, this chip is embedded within the device and can be programmed with multiple network profiles.
A virtual SIM has several advantages over a traditional SIM card:
Flexibility. Users can switch mobile network operators without having to physically swap SIM cards.
Convenience. Especially useful for travelers, eSIMs allow you to activate a local plan without having to buy a new SIM card.
Environmental impact: By eliminating physical SIM cards, Virtual SIM helps reduce e-waste.
How does eSIM work?
Devices with eSIMs have a dedicated software interface that manages connections to different networks, allowing users to add, remove or switch plans without physically changing the SIM card.
Adoption and Availability
Currently, eSIM technology is supported by around 400 mobile operators around the world.[設定]>[接続]>[SIM カード マネージャー]You can check the compatibility of your device by going to:
eSIM-enabled devices
eSIM technology is growing in popularity and is supported by many device manufacturers and mobile operators around the world. It’s compatible with a wide range of devices, including smartphones and tablets.
iOS (iPhone)
iOS supports eSIM technology starting with the iPhone XS, including:
iPhone XS
iPhone XS Max
iPhone 7 Plus
iPhone 11
iPhone 11 Pro
iPhone 11 Pro Max
iPhone SE (2nd generation)
iPhone 12
iPhone 12 Mini
iPhone 12 Pro
iPhone 12 Pro Max
iPhone 13
iPhone 13 Mini
iPhone 13 Pro
iPhone 13 Pro Max
Android smartphone
On Android, eSIM support is more variable and depends on the manufacturer and the specific model. Some notable Android models that support eSIM include:
Google Pixel 2, 3, 3a, 4, 4a, 4a (5G), 5, 5a, 6, 6 Pro
Samsung Galaxy S20, S20+, S20 Ultra, S21, S21+, S21 Ultra
Samsung Galaxy Note 20, Note 20 Ultra, Note 21, Note 21 Ultra
Samsung Galaxy Z Flip, Z Flip 3, Z Fold 2, Z Fold 3
Samsung Galaxy A32, A42, A52, A72 (varies by region and model)
Motorola Lazar (2019)
Motorola Edge, Edge+, Edge 20, Edge 20 Pro
OnePlus 7T, 7T Pro, 8, 8 Pro, 9, 9 Pro
This is not a complete list and eSIM support may vary depending on device region and firmware version. To verify eSIM support, we recommend checking your specific device specifications on the manufacturer’s official website or mobile carrier.
Types of eSIM in 2024
iSIM (integrated SIM), which stores eSIM data in a dedicated area within a smartphone’s processor, enabling network connectivity without a physical SIM card.
eUICC for MFF2 (Embedded Universal Integrated Circuit Card), which stores eSIM data on a dedicated microchip that can be installed in devices.
eUICC in TEE (Embedded Universal Integrated Circuit Card in Trusted Execution Environment), a software-based solution where the eSIM data is stored in the phone’s flash memory.
These implementations give manufacturers and mobile operators the flexibility to integrate eSIM technology into different types of devices.
Conclusion
In conclusion, eSIM technology is a major advancement in mobile connectivity, offering users greater flexibility, convenience, and environmental sustainability compared to traditional SIM cards. As adoption of eSIMs in devices and networks grows, its role in shaping the future of mobile communications will continue to expand.
