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China mainland & Japan & South Korea 20.48GB for 30 days
China mainland & Japan & South Korea 20.48GB for 30 days is an eSIM data plan priced at $60.24, offering high-speed connectivity across three major East Asian markets. Ideal for travelers needing reliable, long-term internet access for streaming, navigation, and remote work without roaming fees.
$60.24
● In stock
Buy at eSIMania →Price and availability may change. Click to see current details on eSIMania.
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Key features
- 20.48GB high-speed data for 30 days
- Works in China mainland, Japan, South Korea
- Instant eSIM delivery via QR code
- No physical SIM card required
- Activate on compatible smartphones
- Seamless cross-border connectivity
- Valid for 30 days from first use
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Pros
- +Large data allowance for heavy usage
- +Covers three key East Asian countries
- +No need to swap physical SIMs
- +Quick digital activation process
- +Cost-effective vs international roaming
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Cons
- −Limited to only three countries
- −No rollover or extension option
- −Requires eSIM-compatible device
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About China mainland & Japan & South Korea 20.48GB for 30 days
What is China mainland & Japan & South Korea 20.48GB for 30 days?
China mainland & Japan & South Korea 20.48GB for 30 days is an eSIM data package designed for international travelers visiting China, Japan, and South Korea. Sold by eSIMania.com, this digital SIM provides 20.48GB of high-speed data valid for 30 days from activation. It enables seamless internet access across smartphones and tablets in all three countries without the need for physical SIM cards or local carriers. The plan supports essential online activities including web browsing, video calls, social media, and GPS navigation.
Key features
- Data Allowance — 20.48GB of high-speed data for 30 days.
- Coverage — Works in China mainland, Japan, and South Korea.
- No Physical SIM — Instant digital delivery via QR code.
- Easy Setup — Activate directly on compatible smartphones.
- Multi-Country Use — Seamless connectivity when traveling between regions.
- 30-Day Validity — Full month of access from first use.
- Sold By — eSIMania.com, a provider specializing in global eSIMs.
Who is China mainland & Japan & South Korea 20.48GB for 30 days for?
This eSIM is ideal for business professionals, digital nomads, and tourists planning extended stays or multi-country trips across East Asia. It suits users who rely on constant connectivity for remote work, cloud collaboration, or real-time translation apps. Frequent travelers between China, Japan, and South Korea benefit from not switching SIMs or paying steep roaming charges. It's also suitable for families sharing data via hotspot on multiple devices.
How does China mainland & Japan & South Korea 20.48GB for 30 days compare?
Compared to single-country eSIMs or local SIM cards, this bundle offers broader regional coverage with one purchase. It provides more data than entry-tier plans (like 1.02GB or 3.07GB options) and is cost-effective for heavy data users. Unlike short-term passes, the 30-day duration supports longer trips. While pricier than minimal data plans, it undercuts international roaming fees from major carriers. It’s a balanced option between convenience, coverage, and data volume for East Asia travel.
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Best use cases
- →Multi-country business trips in East Asia
- →Extended tourist travel across three nations
- →Remote work with stable internet access
- →Family travel with shared mobile hotspot
- →Avoiding high carrier roaming charges
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Is China mainland & Japan & South Korea 20.48GB for 30 days right for you?
This eSIM is best for travelers visiting China, Japan, or South Korea who need reliable, high-volume data for 30 days. Suitable for intermediate to advanced smartphone users with eSIM-capable devices. Consider smaller data plans if usage is light, or regional bundles for broader Asia coverage. Always verify device compatibility before purchase.
How it compares: Compared to single-country eSIMs or pay-as-you-go roaming, this plan offers better value for multi-country travelers needing consistent data. It outperforms short-term passes in duration and volume, though it lacks the flexibility of rolling plans.
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Frequently Asked Questions
What is included in the China mainland & Japan & South Korea 20.48GB for 30 days plan?
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The plan includes 20.48GB of high-speed data valid for 30 days across China mainland, Japan, and South Korea. It's delivered as an eSIM with instant QR code activation and no physical card.
Does this eSIM work in all regions of China, Japan, and South Korea?
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Yes, the eSIM provides coverage in all major regions of China mainland, Japan, and South Korea. Performance may vary in remote or rural areas depending on local network availability.
How do I install the eSIM on my phone?
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After purchase, you'll receive a QR code via email. Scan it in your phone's settings under cellular plans, then follow prompts to activate the eSIM on your compatible device.
Is the data shared between the three countries?
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Yes, the 20.48GB data pool is shared across China mainland, Japan, and South Korea. You can travel freely between them without losing connectivity or using separate allowances.
Can I extend the 30-day validity period?
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No, the plan is valid for exactly 30 days from first use and cannot be extended or paused. After expiration, service ends and unused data is forfeited.
How much does China mainland & Japan & South Korea 20.48GB for 30 days cost?
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China mainland & Japan & South Korea 20.48GB for 30 days is $60.24 at eSIMania. Prices may change — click through to eSIMania for the latest.
Is China mainland & Japan & South Korea 20.48GB for 30 days in stock at eSIMania?
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Yes, China mainland & Japan & South Korea 20.48GB for 30 days is currently in stock at eSIMania.
Are there coupon codes for eSIMania?
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Yes — Love Those Deals currently tracks 2 active eSIMania coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- Category
- Accommodation
- SKU
- 2-CNJPKR-3_20_30
Last updated May 14, 2026