International eSIM

A Decade of Supporting Travelers Since February 2016, NeoKOSIM has been helping travelers stay connected in Korea and around the world. 50,000+ Orders Completed Customers from 80+ Countries [...]

When Do You Need a Call Top-Up? A call top-up is required after you use your free 5 minutes (KRW 1,320) of call credit or whenever you need additional voice calls. To top up your call credit, [...]

Quick Setup Guide – Go to Settings > Cellular (or Mobile Data) – Tap Add eSIM under the SIMs section, then select Use QR Code – Tap Enter Details Manually at the bottom of [...]

Step 1: Install Prepaid eSIM (for Korea, Vietnam, Japan, Thailand) How to Setup 1. Go to Settings > Connections > SIM card Manager. 2. Select Add Mobile plan. 3. Scan the QR code (from [...]

Get Extra Savings with Coupons – Save more on your Korea SIM, Korea eSIM, or International eSIM purchase with a promo coupon. Simple Steps: – Add your Korea or International eSIM and [...]

Overview An unlocked phone means your device can freely use overseas eSIMs or SIM cards without carrier restrictions. * How to Check Before Purchasing an eSIM ( or SIM) – 1. Check the [...]

Get a free T-Money card. – Available for customers who purchase an SKT, KT, or LG U+ Korea eSIM or SIM card. – A 2-Day Plan is required. – Promotion period: Until further [...]

Summary * Refundable Cases : – A full refund will be issued if the order is cancelled before the eSIM QR code is issued. * Non-Refundable Cases : – Once the eSIM QR code has been [...]

Overview This is a real case reported by a customer who regularly uses NeoKOSIM’s Vietnam eSIM during visits to Vietnam. After arriving in Vietnam, the customer was able to use mobile data, [...]

Summary Customers frequently ask about how to check their phone number, data usage, and validity period when using a Vietnam eSIM. The following information will help you manage your Vietnam eSIM [...]