mobi! Secure overseas roaming eSIM provided by your mobile carrier!

Prepare your data for your overseas trip? No more queuing at airport roaming centers! Complete it in just 1 minute with mobi!

mobi is a specialized eSIM service for overseas travel.

You can use data instantly anywhere in the world, including Japan, Taiwan, Vietnam, China, Hong Kong, Thailand, and the United States, without applying for a separate roaming plan.

Now, travel light with an eSIM instead of bulky pocket Wi-Fi or the hassle of swapping SIM cards.

It is especially convenient in China, Hong Kong, and Taiwan, as you can use it immediately without passport identity verification.

Activate instantly with just an eSIM without a SIM card. From checking activation before departure to gifting data and topping up in real-time, handle all the data functions you need for your overseas trip with the single mobi app.

▶ Prepare overseas eSIM instantly without logging in
Select your desired overseas eSIM product and verify only your phone number and email. A QR code for eSIM activation is issued immediately upon payment, allowing you to prepare quickly even at the airport right before departure, making overseas roaming data preparation much more convenient.

▶ Prevent Roaming Issues with ‘Activation Check’ Before Departure

Register your eSIM in Korea beforehand and verify the actual activation status.

This allows you to prevent data connection delays or roaming issues that may occur upon arrival at your destination.

You can use overseas data immediately the moment you disembark.

▶ Easily Gift Data to Your Travel Partner

If you aren't traveling alone? Simply select a friend from your contacts and add a message!

The recipient can automatically register their eSIM without separate registration, providing a data gifting feature that is especially convenient when preparing for a trip together.

▶ Instantly Top Up Data When Running Low Locally

Don't worry if you run out of data in overseas locations such as Japan, Taiwan, Thailand, or the United States.

You can instantly top up your data using your existing eSIM.

Continue using your current setup without the need to purchase a new SIM or eSIM. ▶ eSIM, the #1 Roaming Alternative; 365-Day Peace of Mind Support

If you can't connect to data or are having trouble setting up your eSIM while abroad,

you can get help anytime, anywhere.

As a service that perfectly replaces traditional roaming, even first-time eSIM users can rest assured and focus solely on their trip!

Start right now with mobi eSIM, a more affordable and convenient alternative to international roaming.

Everyone's Travel Assistant, mobi ✈️