Product Description

This is a data-only USIM (USIM) product that can be used with South Korea and Japan.

When moving to another country, it automatically connects without changing the physical SIM card and supports 4G LTE and 5G networks.

🌐 Supported countries and carriers

🇰🇷 South Korea

🏢 Carrier

• SK Telecom (SKT)
• LG U+

📶 5G / 4G

🇯🇵 Japan

🏢 Carrier

• Rakuten
• SoftBank

📶 5G / 4G

👉 When moving from South Korea to Japan, it will automatically connect without replacing physical SIM card.

📦 Product information

You can continue to use it at low speed and unlimited even after you have used up all the data provided for the day.

✔ ChatGPT can be used

✔ Google can be used

✔ X(Twitter) can be used

✔ Facebook can be used

✔ YouTube can be used

✔ TikTok can be used (iPhone available / some Galaxy limited)

✔ Instagram can be used

✔ You can use KakaoTalk and various banking apps.

🚀 QoS(low speed): 128kbps

📅 Product validity period: 30 days

📶 Communication information

📶 Network: 4G LTE / 5G

🌐 Network type: Roaming network

📞 Voice call: Not supported

💬 SMS (text message): Not supported

📍 Recommended usage area

🇰🇷 South Korea

Seoul, Busan, Jeju Island, Incheon, Daegu, Gwangju, Daejeon, Gangneung

🇯🇵 Japan

Tokyo, Osaka, Kyoto, Fukuoka, Sapporo, Nagoya, Okinawa

⏰ Activation policy

✔ Start using after the physical SIM card is installed and activated locally.

✔ Data reset time: Daily 00:00 China time (UTC +8)

✔ Date reset time: Daily 00:00 China time (UTC +8)

Example)

If you activated it after arriving at the local area at 10 p.m. with South Korea or Japan

→ 1 day deducted at midnight (24 o’clock) based on China time

→ After that, the data and date are automatically reset at 24 o’clock every day.

📱 Available models

✔ Smartphones released after 2015 when Country Lock was disabled

❌ Unavailable model

✔ Smartphones released before 2014

✔ Samsung A3 / J1 / J2 / J3

✔ LG X / V10

✔ Luna Phone

✔ Pantek

✔ Some Sony models

✔ All BlackBerry models

📡 Hotspot / Tethering usage guide

✔ Hot spot available

✔ Tethering is available.

📱 iPhone

establishment → Personal hotspot → “Allow other people to participate” Activation

📱 Android

establishment → Network and Internet → Hot spot and tethering → Activate Wi-Fi hotspot

※ There may be speed differences depending on the region and communication environment.

💸 Exchange and refund policy

✔ Within 30 days after issuance

✔ Cancellation / Refund / Return possible if unused

✔ Cancellation is possible before the item is shipped.

✔ Shipping fee charged for refunds after shipment

✔ Refund request is possible within 7 days from the date of purchase.

✔ Refunds are not available for expired products.

✔ Delivery delays by the courier company are not compensated separately.

❓ FAQ

Do I have to replace physical SIM card again when moving South Korea and Japan?

No 😊

With one physical SIM card, both South Korea and Japan are automatically connected.

What communication network does South Korea use?

SK Telecom(SKT), LG U+ Use the network.

What communication network does Japan use?

SoftBank uses the Rakuten network.

Is ChatGPT and Google available?

Yes 😊

ChatGPT, Google, YouTube, Instagram, and KakaoTalk are available.

Does the Internet go down after the data is exhausted?

No 😊

You can continue to use it at a speed of 128kbps.

Which kind of trip do you recommend?

✔ South Korea Travel

✔ Japan travel

✔ Free travel between Korea and Japan

✔ Business trip to Korea and Japan

✔ South Korea·Japan Cruise Travel

✔ Family trip

✔ Backpacking trip