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China, Japan & South Korea eSIM
China, Japan & South Korea eSIM
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Features
- Data Only: Yes
- SMS: No
- Calls: No, only through apps (VOIP)
- Compatibility: Check compatibility
Description
- This eSIM provides high-speed mobile data on supported partner networks. Actual speeds may vary depending on network coverage, congestion, location, and device capability. Activate your eSIM when you arrive at a supported destination and avoid international roaming charges from your primary carrier.
- Digital Delivery Only - Your eSIM QR code and activation instructions will be delivered via email within 15 minutes upon successful payment.
- Please ensure a valid and accurate email address is provided at checkout. DealeSIM is not responsible for delivery failure resulting from incorrect or inaccurate contact information.
Technical Specs
- Activation Deadline: Within 180 days of purchase
- IP/Data Routing: HK
- Hotspot: Yes
- Speed Reduction: No
- Supported Networks: China — China Unicom 5G; Japan — KDDI/au 5G; South Korea — SKTelecom 5G, LG Uplus 5G
- Supported Destinations: China mainland, Japan, South Korea
China, Japan & South Korea eSIM: One Plan for All Three
This eSIM covers mainland China, Japan, and South Korea on one plan — ideal for a Beijing-Tokyo-Seoul style itinerary without switching eSIMs at each stop. Routing through a Hong Kong IP, ChatGPT, Google Maps, WhatsApp, and Instagram all work in mainland China without a VPN, though TikTok isn't accessible on this routing. Japan and South Korea have open internet throughout, so no VPN is ever needed there. No throttling, hotspot included.
Travel Tips
- No switching plans between any of the three countries. Whether you're flying Beijing to Tokyo to Seoul or any order in between, this eSIM just keeps working without a new profile at each stop.
- Most apps work in mainland China without a VPN. Routing through a Hong Kong IP, ChatGPT, Google Maps, WhatsApp, and Instagram all work normally in mainland China on this plan.
- Spring and autumn are the sweet spot for all three countries. March-May brings cherry blossoms to Japan and Korea, and comfortable, mild weather to China too — China's own cherry blossom season actually runs longer (mid-February to early May) with far fewer crowds than Japan's famously packed peak week. September-November offers similarly pleasant temperatures and autumn foliage in Japan, without summer's heat and humidity.
- Avoid mid-summer if you can. July-August brings intense heat and humidity across much of China (often above 35°C/95°F), plus peak crowds and prices in Japan and Korea.
Frequently Asked Questions
Q: Do I need a VPN for the mainland China portion of this plan?
A: Most apps work without one — this eSIM routes through a Hong Kong IP, so ChatGPT, Google Maps, WhatsApp, and Instagram all work normally in mainland China. The one exception is TikTok, which isn't accessible on this routing.
Q: Do I need a VPN in Japan or South Korea?
A: No, neither country restricts internet access — Google, WhatsApp, Instagram, and every other common app work normally throughout both.
Q: Which networks does this eSIM use in each country?
A: This eSIM connects to China Unicom in mainland China, KDDI/au in Japan, and SK Telecom plus LG Uplus in South Korea.
Q: Should I buy this instead of separate eSIMs for each destination?
A: If your trip covers all three countries, this bundle is simpler than switching plans at each stop. If you're only visiting one or two, our standalone China, Japan, or South Korea eSIMs let you size the data more precisely.
Q: How much data do I need for a China, Japan & South Korea trip?
A: For light use across all three (maps, messaging, occasional browsing), 8-10GB covers about a week. For daily navigation, photo uploads, or streaming, 15-20GB gives more headroom.
Q: Do I need a VPN for the mainland China portion of this plan?
A: Most apps work without one — this eSIM routes through a Hong Kong IP, so ChatGPT, Google Maps, WhatsApp, and Instagram all work normally in mainland China. The one exception is TikTok, which isn't accessible on this routing.