Korea eSIM

A Question We Hear All the Time – One of the most common questions we receive from visitors to Korea is: “I am about to order for the third time, and I am still a bit confused. Which [...]

5G & LTE Quality and Speed * Q1. What is the average 5G speed in South Korea? -A. As of June 2026, the nationwide average speed across the top three carriers is around 1 Gbps. It provides a [...]

Overview – Save more on your Korea SIM, Korea eSIM, or International eSIM purchase with a promo coupon./span> Simple Steps: – Add your Korea or International eSIM and SIM card [...]

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 [...]

You May Experience These Issues After installing a new Korea eSIM, you may experience problems such as: – The eSIM installs successfully, but an error message appears. – Mobile data [...]

Overview In most cases, the issue is resolved simply by deleting the previous Korea eSIM profile from the phone and restarting the device. However, in some situations, a new eSIM may still fail [...]

Overview A top-up is required to use voice call service after completing passport verification. You can top up your call balance at the airport roaming center (recommended) or online. Check your [...]

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 [...]

Overview A call top-up is required when you need additional call minutes. You can also extend your KT Korea eSIM validity period for up to 90 days. Check your phone number on your contract sheet, [...]

Overview Call top-up is required when your free minutes are used or when you need more calls. Check your contract and phone number in the your QR code email, as shown in the image below. Simple [...]