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什麼是 eUICC 及它如何運作?

eUICC 常常被誤以為與 eSIM 有關。

eSIM(嵌入式通用積體電路卡)是傳統 SIM 卡體積較小且不可移除的版本,焊接在電路板上,因此是直接整合至智慧型手機。

eUICC 是 SIM 卡的軟體元件,因此並非實體物件。

eUICC 是一項功能,可儲存多個行動網路電信業者(Mobile Network Operator, MNO)的設定檔,並使用空中下載(Over-The-Air, OTA)技術在這些設定檔之間進行遠端切換。

換句話說,有了 eUICC 功能,您可以只用一張 SIM 卡就擁有多組號碼,而且變更設定即可輕鬆切換。

具有 UICC 功能的 SIM 卡只能用來設定和使用號碼。

然而,雖然 eUICC 的設計可支援同一裝置上多個 MNO 設定檔,但一次只能使用一個。

而且,並非所有 eSIM 都具有 eUICC 功能,但部分傳統 SIM 卡現在可能具有這項功能。

Other questions

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When should I set up my eSIM?

You can wait until you arrive in the country to activate your eSIM, but please remember that you will need a Wi-Fi connection to perform the installation process

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What happens if I use up my data or exhaust the days of validity?

If you find you need more data than what your eSIM offers, the best option is to top up your eSIM card with the right amount of data for you.

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Can I use my SIM card and Holafly eSIM at the same time?

Yes. Please remember that if you leave your SIM card activated, your network provider may apply data roaming charges to make or receive phone calls, and to send or receive text messages.

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Any more questions?

If you encounter any issues during this process, feel free to reach out to us 24/7 through our Live Support chat.

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