What is eSIM?
eSIM is a digital SIM card, a data file that can be downloaded to a mobile device over the network. With it, all kinds of electronic devices can connect to the internet, make calls, send text messages, and more. Functionally, it is no different from a regular SIM card. Any device that can connect to a mobile network can use eSIM. Of course, the device hardware must support eSIM. eSIM solutions integrated into hardware or phones currently take up only one-third the space of a Nano SIM card, and will continue to evolve toward smaller sizes in the future.
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Pros and Cons of eSIM:
Pros:
- No need to insert or remove a physical card; you can switch to eSIM just by setting it up on the device
- eSIM does not require a card slot, which can save device space and help create thinner, lighter devices
Cons:
- At present, devices that support eSIM are still mainly iPhone and Google Pixel models, and some older phones may not be compatible.
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Does my phone support it?
| How to check whether your phone supports eSIM | |
| Brand | Method |
| Apple | Method 1: Go to "Settings" → "Cellular" → if you see "Add eSIM" or "Add Cellular Plan" |
| Method 2: Dial "*#06#" directly on your phone. If an EID code appears on the screen, it is supported; if no EID appears, it is not supported | |
| OPPO | Method 1: Dial *#06# directly on your phone. If an EID code appears on the screen, it is supported; if no EID appears, it is not supported |
| Method 2: You can also go to "Settings" → "About phone" → "Status information". If EID appears in the information field, it is supported; if not, it is not supported | |
| Samsung | Method 1: Go to "Settings" → "Connections" → "SIM manager" → if you see "Add eSIM" |
| Method 2: Dial "*#06#" directly on your phone. If an EID code appears on the screen, it is supported; if no EID appears, it is not supported | |
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How to use:
- Use your phone to scan the QR code provided by eSIMFUN
- Tap Add Cellular Plan and follow the steps to set up the plan
- Turn on the added cellular plan
- Turn on mobile data (if you are abroad, check whether data roaming should be enabled depending on your plan)
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How is it different from a traditional SIM card:
| eSIM | Traditional SIM card | |
|
Mobile number usage |
Scan directly to add a cellular plan |
Manually replace the SIM card |
|
IoT applications |
Fast and convenient |
Not fast, not convenient |
|
Traveling abroad |
Ready to use immediately |
Buy the card in advance at the store |
Functionally, there is actually no difference between the two. Whether it is data transmission, network quality, or speed, there is no difference because of these two. If you care more about convenience, or if you're someone who likes the latest tech, you'll probably choose it anyway : )
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