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eSIM Guide

iPhone & Android eSIM install, activation, and troubleshooting.

iPhone · iOS

From eSIM install to on-arrival activation on iPhone

Install eSIMAfter ArrivalTroubleshoot

Galaxy · Android

From eSIM install to on-arrival activation on Android

Install eSIMAfter ArrivalTroubleshoot

Reference

After Return: Cleaning Up eSIM

How to clean up your eSIM after returning home. Disable the line, delete the profile, and switch back to your Korean SIM.

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Country Lock — Check and Unlock

How to check and remove the country lock applied by Korean carriers. IMEI registration + carrier contact.

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Korea eSIM Real-name Registration

Real-name registration for some Korean carrier lines or local eSIMs. Steps for ARC / Passport.

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Supported eSIM Devices

iPhone, Galaxy, Pixel, iPad — full list of esimoa eSIM-compatible devices and how to check yours.

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eSIM Frequently Asked Questions

Answers to the most common questions about eSIM purchase, install, refund, and reuse.

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NBase Korea Co., Ltd.

CEO: Shinbae Kong

Business No: 401-87-00956

Mail-Order Sales Registration: 2025-Yongin Suji-2082

902, Bldg A, 767 Sinsu-ro, Suji-gu, Yongin-si, Gyeonggi-do (Dongcheon-dong, Bundang Suji U-TOWER)

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