East Asia Core 3 Countries eSIM – Travel Data Plans
🔐 Included
Seamless data across East Asia Core - no borders, no interruptions.
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East Asia Core 3 Countries eSIM Travel Data Plans

From £1.90

Network improvements

  • eSIM for China Japan Korea (3 countries)
  • Works on all unlocked eSIM supporting devices
  • Instant delivery of QR code
  • Shareable hot spot
  • daily limit with speed reduction after limit
Not sure which eSIM plan to choose?

Ask Simmy for a quick recommendation based on your destination and trip length.

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  • Stay connected across East Asia Core 3 Countries.
  • No border switching or roaming surprises.
  • Share your connection across your devices.
  • Full-speed data as you move between destinations.

Features

  • Use In: 3 countries including Japan, South Korea, China
  • Top Up Available: Yes
  • Data Only: Yes
  • SMS: Yes (API only)
  • Calls: No, only through apps (VOIP)
  • Device requirement: Your phone must support eSIM technology and be carrier unlocked. Please confirm compatibility before purchase. Check compatibility

Description

Get highest speeds in China Japan Korea (3 countries) with this eSIM plan. Start your eSIM instantly upon arrival in Japan and enjoy high-speed data with no hidden roaming fees.

This is a 3G/4G/5G data plan with daily limit with speed reduction after limit.

Technical Specs

  • Pre-Activation Days: 180 Days
  • Data Exit Country: HK
  • Hotspot: Yes
  • Network Speed: 3G/4G/5G
  • Speed Reduction: Yes (Speed Reduced after daily limit)
  • Coverage: JP, KR, CN
  • Networks: CN – China Unicom 5G, JP – KDDI/au 5G, KR – SKTelecom 5G, KR – LG U+ 5G
  • Supported Countries: Japan, South Korea, China
Plan

China mainland 500MB Day Pass, China mainland 1GB Day Pass, China Japan Korea (3 areas) 1GB 7Days, China mainland 2GB Day Pass, China Japan Korea (3 areas) 3GB 15Days, China Japan Korea (3 areas) 3GB 30Days, China Japan Korea (3 areas) 5GB 30Days, China Japan Korea (3 areas) 10GB 30Days, China Japan Korea (3 areas) 20GB 30Days
Fair Usage Policy Daily high-speed data allowance. Once exceeded, speeds reduce to 128-512 Kbps or 1-2 Mbps (best-effort) for unlimited basic browsing. Resets every 24 hours.

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