[2025] The latest complete guide to "eSim" for Internet access abroad without a physical network card

What is eSIM?

eSIM (Embedded SIM) is a SIM card built into the device, which allows you to use the mobile network without a physical SIM card. Whether you are traveling or on a business trip, it is more convenient and cost-effective to surf the Internet abroad.

Comparison between eSIM network card and traditional SIM network card

project	eSIM	Physical SIM card
Convenience of card replacement	No need to change the card, you can switch directly	Need to replace physical card
Support equipment	Need to support built-in eSIM	All devices can be used
Risk of loss	Built into the phone, not easy to lose	May be lost or damaged
Travel friendly	You can directly activate the global plan online	Need to buy a local SIM card
Environmental protection	No physical card, more environmentally friendly	Need to make and discard

2025 Latest! A quick list of mobile phone brands that can use eSIM

Currently, eSIM supports most flagship smartphones, tablets and wearable devices, including:

Apple : iPhone 15 series, iPad Pro, Apple Watch
Google : Google Pixel 4 ~ Pixel 9 series, Google Pixel Fold
Other brands : Oppo, Huawei, Xiaomi high-end models... and many more phones already support eSIM
Samsung : Due to policy reasons in the place of production, original Samsung mobile phones purchased in China, Hong Kong, Macau and Taiwan currently do not support the eSIM function.

How to activate the eSIM Internet setting service?

1. If your phone meets the following two conditions, it means your phone supports eSIM:

Dial *#06# on your mobile phone and the word "EID" will be displayed. ※This action will not incur any charges.
Go to your phone's settings and check if there are options such as "Add eSIM", "Activate eSIM card" or "Add new eSIM".

2. Choose an eSIM plan

You can purchase it through local eSIM stores, telecom operators or international service providers, such as:

Local telecom operators (such as AT&T, T-Mobile, Orange)
International eSIM providers (such as Airalo, GigSky, Ubigi)
Taiwan eSIM providers (Mr.eSIM and other telecom providers, as shown in the comparison list below)

Comparison of Taiwan eSIM network card carriers and suppliers

brand	Program Features	Price Range	Target customers
Chunghwa Telecom	Provide domestic and international eSIM solutions, support 5G	Medium to high	Business people, long-term users
Taiwan Mobile	A wide range of travel eSIM plans, supporting roaming in multiple countries	medium	Travel enthusiasts
Far EasTone Telecommunications	Multiple tariffs, support for eSIM dual card function	medium	General users
Mr.eSIM	5G high-speed Internet access, flexible price, suitable for multi-country travel, no need to go to the store to buy	People-friendly	Short-term travelers, business people, long-term users

3. Scan the QR Code or enter the activation code

After purchase, you will be provided with an eSIM QR Code or manually input code, which can be activated after scanning. For more detailed instructions on eSIM installation, settings, and activation, you can continue to read this guide, which includes complete instructions for iOS and Android mobile phone systems! >> Click here to view the eSIM usage tutorial

Whether you are traveling abroad for short, medium or long term, on business trips or as a digital nomad, or even using multiple numbers! Using eSIM when going abroad is definitely a great helper for you to easily access mobile networks. Go to Mr.eSIM now to learn more about eSIM tariff plans and countries and regions for going abroad >> Click here to learn more about eSIM overseas network card discounts