# eSIM for Japan & South Korea (JP-KR) - Instant 5G & 4G LTE Prepaid Data Plans

> **Quick Summary:** An eSIM for Japan & South Korea provides instant prepaid 4G LTE and 5G mobile data from $3.99 USD, connecting directly to KDDI/au & SoftBank & SKTelecom upon arrival at JP-KR Airfield Arrival Hub. Travelers can choose from 11 data packages up to 20 GB with full personal hotspot support, zero roaming charges, and instant QR installation before departure.

## Network & Arrival Specifications
- **Destination:** Japan & South Korea (JP-KR)
- **Partner Carriers:** KDDI/au & SoftBank & SKTelecom
- **Primary Arrival Airports:** JP-KR Airfield Arrival Hub
- **Covered Cities:** Japan, South Korea
- **Speed Benchmark:** 95-210 Mbps 5G / 4G LTE
- **Hotspot / Tethering:** Full personal Wi-Fi hotspot & multi-device tethering included in Japan & South Korea
- **eKYC Policy:** Zero Airport Paperwork Queue - Instant Pre-Flight QR Activation · Pre-arrival digital QR activation - zero Japan & South Korea airport passport queue
- **Verified Traveler Rating:** ★ 4.8/5 (4 verified ratings, 4 written reviews)
- **Last Updated:** 2026-10-26
- **Canonical URL:** https://soloesim.com/en/esim-japan-south-korea

## Japan & South Korea Telecom Infrastructure, Airport SIMs & Roaming Analysis

Passengers journeying to Japan & South Korea through transit gates at JP-KR Airfield Arrival Hub face steep daily penalties on traditional domestic roaming tariffs. SoloeSIM provides instant data transmission on KDDI/au & SoftBank & SKTelecom starting at $3.99 USD ($1.40/GB) with zero hidden overage charges.

Benefit from uninterrupted cellular reception across Japan, South Korea with recorded throughput of 95-210 Mbps 5G / 4G LTE supported by KDDI/au & SoftBank & SKTelecom. Skip long passport validation queues at JP-KR Airfield Arrival Hub while enjoying up to 20 GB of data with full hotspot sharing permissions. Pre-arrival digital QR activation - zero Japan & South Korea airport passport queue

## Prepaid Data Plans (11 Available)

| Plan Name | Data Allowance | Validity | Speed | Price (USD) | Rate ($/GB) |
| :--- | :--- | :--- | :--- | ---: | ---: |
| Japan & South Korea 1GB 7Days | 1 GB | 7 Days | 5G / LTE | $3.99 | $3.99/GB |
| Japan & South Korea 1GB/Day | 1 GB/Day | 1 Day | 5G / LTE | $3.99 | $3.99/GB |
| Japan & South Korea 2GB/Day FUP1Mbps | 2 GB/Day | 1 Day | 5G / LTE | $5.99 | $3.00/GB |
| Japan & South Korea 3GB 15Days | 3 GB | 15 Days | 5G / LTE | $6.99 | $2.33/GB |
| Japan & South Korea 3GB 30Days | 3 GB | 30 Days | 5G / LTE | $7.49 | $2.50/GB |
| Japan & South Korea 3GB/Day FUP1Mbps | 3 GB/Day | 1 Day | 5G / LTE | $7.49 | $2.50/GB |
| Japan & South Korea 5GB/Day | 5 GB/Day | 1 Day | 5G / LTE | $8.99 | $1.80/GB |
| Japan & South Korea 5GB 30Days | 5 GB | 30 Days | 5G / LTE | $10.49 | $2.10/GB |
| Japan & South Korea 10GB/Day | 10 GB/Day | 1 Day | 5G / LTE | $13.99 | $1.40/GB |
| Japan & South Korea 10GB 30days | 10 GB | 30 Days | 5G / LTE | $17.49 | $1.75/GB |
| Japan & South Korea 20GB 30days | 20 GB | 30 Days | 5G / LTE | $28.99 | $1.45/GB |

## Verified Traveler Reviews (4.8/5 ★)

- **Setup before flight, connected instantly at JP-KR Airfield Arrival Hub** (5/5 ★ by Jack Parker, 2026-10-26 - *3 GB · 15 Days*): "downloaded the profile over home wifi before leaving, instructions were super clear. Way faster in Japan than the pocket wifi we rented last year. saved at least $35 compared to airport kiosks.. will defintely use again"
- **Bez kolejek po kartę SIM na lotnisku JP-KR Airfield Arrival Hub** (5/5 ★ by Hanna S., 2026-10-26 - *3 GB · 30 Days*): "Instalacja na telefonie banalnie prosta, bez przekładania fizycznej karty SIM. Bardzo dobra prędkość na sieci KDDI/au zarówno w centrum Japan, jak i w okolicach South Korea. Duża oszczędność w porównaniu z roamingiem, zdecydowanie polecam!"
- **Solid KDDI/au signal all over Japan & South Korea** (5/5 ★ by Noah Bennett, 2026-10-26 - *5 GB · 30 Days*): "Speeds on KDDI/au were fast enough for facetime and video calls from Japan with zero lag. worked exactly as advertised, zero complaints"
- **JapanでのKDDI/auの電波が良く設定も簡単でした** (4/5 ★ by Hina K., 2026-10-26 - *10 GB · 30 Days*): "JP-KR Airfield Arrival Hubに着陸した瞬間にKDDI/auの5Gへ自動接続され、Japanの移動中もGoogleマップがサクサク動きました。 South Korea郊外の移動中に一時的に4G LTEへ切り替わりましたが、実用上は全く問題ありませんでした。"