HelloRoam offers prepaid eSIM data plans for Asia from CA$9.06 a day across 185+ countries. Your e SIM connects to local 4G/5G networks the moment you land, ready to go. Set it up in under two minutes with a QR code before you fly. Keep your Bell, Rogers, or Telus number active on your primary SIM while your e-sim handles data.
- carrier networks
212+- 5G support
4G/5G- to activate
under 2 minutes
Last updated
Best travel eSIM Asia plans on local networks for Canadians
Great-value eSIM for Asia, starting from CA$9.06. Local 4G LTE and 5G data on top carrier networks in Asia. Works on all eSIM compatible phones. Plan your Asia trip with eSIMs Asia from HelloRoam starting at CA$9.06 on Local network provider 4G/5G networks. Activate by QR at home before your flight and land ready to go. No physical card, no contract, and no roaming fees from Bell or Rogers. One plan covers Japan, Thailand, Indonesia, South Korea, and more. Choose from 3GB to 20GB or unlimited data plans with QR delivery.
Asia eSIM with fast 4G/5G coverage
HelloRoam Asia eSIM keeps Canadian travellers connected across Asian countries on one plan. No new SIM at each border. Plans start at CA$0.77 per day with instant activation.
- Plans start at CA$9.06 with 4G/5G speeds
- Coverage from local networks
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- Asia coverage across major cities
- Network
- 4G/5G
- Plans From
- CA$9.06
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in Asia
Follow these steps to set up your eSIM on iPhone or Android. Works for any eSIM for international travel, no replacement SIM, no store visit.
Set up an eSIM on your iPhone with HelloRoam
Set up an eSIM on your Android with HelloRoam
- 1
Choose your plan and check out
Pick a data plan for your destination and complete checkout in the HelloRoam app or on the website.
2Scan the QR code
Scan the QR code from your confirmation email to install your eSIM right away.
- 3
Ready to use on arrival
Your eSIM installs in minutes and activates the moment you land at your destination.
4Manage from the app
View usage, top up data, and manage all your eSIMs from the HelloRoam app.
Plans changed? No worries, we've got you covered.
Plans change, and that's okay. With HelloRoam, you can request a refund on your eSIM within 180 days of purchase. No hassle.
Learn more about our refund policyHelloRoam Asia eSIM vs Bell, Rogers and Telus roaming
When comparing eSIM vs a travel SIM card for Asia, HelloRoam is the most affordable eSIM option for Canadian travellers. It beats Rogers Roam Like Home (CAD 12/day), Bell Roam Better (CAD 12/day), and Telus Easy Roam fees. Skip the airport SIM shop and get a better international data plan from CA$9.06 with a 180-day refund guarantee on unactivated eSIMs.
| Feature comparison | HelloRoam | Local provider | Limited data eSIM |
|---|---|---|---|
| 180-day refund on unactivated eSIMs |  Feature available |  Feature not available | Feature not available |
| Live chat support | Feature available |  Feature available | Feature available |
| No activation fees | Feature available | Feature not available | Feature available |
| No roaming fees from Bell, Rogers, or Telus | Feature available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature not available | Feature available |
| Premium Asia carrier networks | Feature available | Feature not available | Feature not available |
Asia SIM card vs eSIM: the smart call for Canadians on a multi-country trip?
A SIM card for Asia from HelloRoam works across multiple countries on a single plan, which suits Canadians doing Thailand-Japan-Indonesia trips.
An Asia prepaid SIM card via HelloRoam is ordered and paid in Canadian dollars before departure, so currency conversion is never a factor.
A data sim card Asia plan from HelloRoam removes the per-country kiosk stop that slows down Canadians on tight Asia itineraries.
An Asia data sim from HelloRoam gives a fixed daily cost so Canadians can budget their data spend before they board.
An unlimited data eSIM Asia plan from HelloRoam covers local 4G/5G speeds, matching the connectivity a local SIM card would provide.
An unlimited eSIM Asia plan from HelloRoam gives Canadians fixed-price data across multiple countries with no per-destination charges and a 180-day refund guarantee on unactivated eSIMs.
Why Canadian Travellers Choose an e SIM for Asia
24/7 live chat support
Need help at 2 AM in Tokyo or midnight in Cancun? HelloRoam support is available 24/7. Message us and a real person responds in under 2 minutes. No bots, no hold queue. Whether you're troubleshooting mobile data access or topping up your prepaid data package mid-trip, our team has you covered around the clock.
Best Travel eSIM for Asia
Get fast 4G/5G data from the moment you land in Asia. No Bell, Rogers, or Telus roaming fees. Set up your eSIM before you leave home in under 2 minutes. A prepaid data package activates on arrival so your wireless connectivity starts the second you step off the plane.
Keep your Bell, Rogers, or Telus number
Keep your Bell, Rogers, or Telus number active for calls and texts. HelloRoam runs as a second eSIM line on any dual SIM compatible phone, so you never miss a call from home while travelling. Your cellular coverage for internet abroad runs on a separate line, so both SIMs work at the same time.
212+ carrier networks worldwide, connected in Asia
HelloRoam connects to 212+ carrier networks across 185+ countries. Your cell phone switches to the strongest available 4G/5G or 5G signal automatically. That broad network reach means consistent mobile data access whether you're in a busy city centre or a smaller town.
Data alerts before you run out
HelloRoam alerts you at 80% data usage so you never hit a surprise cap mid-trip. Top up instantly from the app without reinstalling your eSIM or visiting a store. Keeping your internet abroad budget in check is simple when you can add more mobile data in seconds.
Local 4G/5G speeds
Your Asia eSIM connects to trusted local 4G/5G networks. HelloRoam picks the strongest available signal for navigation, streaming, and video calls. Reliable cellular coverage at local network speeds makes a real difference when you're navigating a new city or video calling family back home.
Regional and global eSIM plans
Travelling to multiple countries? HelloRoam regional eSIM plans cover Europe, the Caribbean, Asia, and 185+ destinations in one purchase. Fixed and unlimited data options available. One account, no SIM swaps. A single international data plan with cross-border wireless connectivity saves you the hassle of buying a new prepaid data package at every border.
Free hotspot and data sharing in Asia
Share your Asia eSIM data with a laptop or tablet using your cell phone's built-in hotspot. No extra fees, no setup needed. Works on all eSIM compatible phones. Turning your phone into a mobile Wi-Fi hub means everyone on your trip gets internet abroad from the same prepaid data package.
Best eSIM Prices for Asia
HelloRoam, the best eSIM Asia. Compare plans and save versus Rogers, Bell, and Telus roaming.
| Number of days | Price |
|---|---|
| 1 day | CA$14.59 |
| 3 days | CA$41.58 |
| 7 days | CA$89.89 |
| 15 days | CA$175.10 |
| 22 days | CA$237.55 |
| 30 days | CA$297.68 |
HelloRoam vs Rogers, Bell, Telus, and Other eSIM Providers for Asia
Canadian travellers consistently highlight HelloRoam's 180-day refund on unactivated eSIMs, C$0 activation fees, and 24/7 live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers on the things that matter most for your trip.
| Feature comparison | HelloRoam | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund on unactivated eSIMs | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| 24/7 live chat support | Feature available | Feature available | Feature available | Feature not available | Feature available | Feature available |
| C$0 activation fees | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Dual SIM: keep your Canadian number active | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Instant QR code delivery | Feature available | Feature available | Feature available | Feature available | Feature available | Feature available |
| Premium Asia carrier networks | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature not available |
| Own branded carrier identity (SPN) | Feature available | Feature not available | Feature not available | Feature not available | Feature not available | Feature available |
What Is an eSIM? How eSIM Works in Asia
An eSIM is a digital SIM built directly into your cell phone. There is no plastic chip and no SIM tray to deal with. Scan a QR code to activate your eSIM in under 2 minutes on any eSIM compatible iPhone or Android. It works as a prepaid data plan for Asia travel with no airport SIM shop, no replacement SIM card, and no carrier contract. Canadians travelling from Pearson or Vancouver International can set everything up before their flight and arrive connected. Follow the step-by-step setup guide to get started. setup guide
eSIM Coverage Guide for Canadians Travelling Asia
Asia is the world's largest continent and covers some of its fastest mobile networks alongside areas with very limited coverage. A HelloRoam Asia regional eSIM gives Canadian travellers one plan that works from Japan and South Korea through Southeast Asia, South Asia, and Central Asia.
East Asia (Japan, South Korea, Taiwan, Hong Kong) ranks at the top of every global mobile speed benchmark. Japan's NTT Docomo and South Korea's SK Telecom run some of the world's fastest and most reliable 5G networks. Coverage extends to subway systems, bullet train routes, and most rural areas.
These countries are ideal starting points for an Asia trip.
Southeast Asia (Thailand, Vietnam, Singapore, Indonesia, Philippines, Malaysia, Cambodia, Laos, Myanmar, Brunei, Timor-Leste) covers a wide range of network quality. Singapore's Singtel delivers near-perfect 5G. Thailand's AIS is reliable in cities and resorts.
Vietnam's Viettel covers popular tourist routes well. Indonesia's 17,000 islands mean outer provinces like Papua and remote Sulawesi have very poor coverage.
South Asia (India, Sri Lanka, Bangladesh, Nepal, Pakistan) varies widely. India's urban centres including Mumbai, Delhi, Bangalore, and Chennai have strong 4G and growing 5G. Himalayan trekking routes in Nepal have no coverage above base camp level. Sri Lanka's tourist areas are well-served.
Central Asia (Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, Turkmenistan) has improving 4G in capitals but limited rural coverage. The Silk Road cities of Samarkand and Bukhara have reasonable signal.
Always download offline maps before entering any national park, mountain region, or island chain in Asia.
- Japan and South Korea offer world-class 5G for East Asia trips
- Singapore is Southeast Asia's most reliable data hub
- One plan covers cross-border land travel with automatic carrier switching
- Island ferry routes in Southeast Asia have no offshore mobile coverage
- Remote national parks and Himalayan regions require offline preparation
- Coverage quality varies dramatically between urban and rural areas
- GSMA Mobile Connectivity Index 2026;
- Ookla Speedtest Asia 2025
eSIM Travel Tips for Asia
Install Your eSIM Before Leaving Canada
Install your HelloRoam Asia eSIM while you are still on your home Wi-Fi in Canada. The QR code activation takes a few minutes. Once installed, your eSIM is ready to connect the moment your plane lands at your first Asian destination. You will not need airport Wi-Fi to get set up.
Data Speeds Vary Dramatically Across Asia
Arriving in Japan or South Korea gives you near-perfect 5G. Crossing into Cambodia or rural Bangladesh gives you functional but slower 4G. Adjust your data habits to match local network quality. Heavy streaming in Tokyo or Seoul will drain your plan faster than messaging in Siem Reap.
Download Offline Maps Before Island Hopping
Inter-island ferry routes in Indonesia, the Philippines, and Thailand have no mobile coverage once offshore. Download offline maps for every island on your itinerary before boarding any ferry. GPS in your phone works without data, so offline maps will still show your location on arrival.
Mainland China Requires a Separate Plan
Mainland China operates behind the Great Firewall, which blocks Google Maps, Gmail, WhatsApp, and most Western apps. A standard Asia eSIM does not overcome these restrictions. Plan China travel separately with a China-specific plan. Hong Kong and Macau have open networks and are typically included in Asia regional plans.
Airport Connectivity Is Usually the Strongest
International airports across Asia typically have the strongest mobile coverage of any point in the country. Your eSIM connects fastest at airports. Use that connection to download offline maps for your destination city and confirm everything works before leaving the terminal.
Emergency Numbers Vary by Country
Emergency numbers differ across Asian countries. Japan uses 110 for police and 119 for ambulance. South Korea uses 112 for police and 119 for ambulance. Thailand uses 191. Vietnam uses 113. Research and save the correct emergency number for every country on your itinerary before you arrive.
VoIP Restrictions in Some Countries
The UAE, Oman, and some other countries in the region restrict VoIP calling apps like WhatsApp calling and FaceTime Audio. Standard messaging and data browsing work normally. If you rely on calling apps to stay in touch with family in Canada, confirm VoIP is permitted in each country you are visiting.
Network Coverage Across Asia
Asia covers the most diverse mobile landscape of any continent, from global leaders to some of the world's least-connected regions.
East Asia
East Asia (Japan, South Korea, Taiwan, Hong Kong, Macau) consistently tops global speed benchmarks. Japan's NTT Docomo, SoftBank, and au operate near-universal 5G. South Korea's SK Telecom and KT have the world's highest 5G penetration rates. Taiwan's Chunghwa Telecom and Taiwan Mobile cover the island comprehensively including east coast tourist routes.
Southeast Asia
Southeast Asia (Singapore, Thailand, Vietnam, Malaysia, Indonesia, Philippines) covers the popular backpacker and island-hopping corridor. Singapore's Singtel, StarHub, and M1 deliver world-class 5G. Thailand's AIS leads the region outside Singapore. Vietnam's Viettel provides solid 4G on the Ho Chi Minh to Hanoi tourist trail. Indonesia's archipelago geography limits coverage to Java, Bali, and Sumatra for reliable connectivity.
South Asia
South Asia (India, Sri Lanka, Bangladesh, Nepal) has rapidly improving urban networks. India's Jio, Airtel, and Vi provide 4G in all major metros and a growing 5G rollout. Nepal's Ncell and Nepal Telecom cover the Kathmandu valley and main trekking hubs but not high-altitude routes.
Central Asia
Central Asia (Kazakhstan, Uzbekistan, Kyrgyzstan) has 4G in capitals and Silk Road tourism cities. Rural and mountain areas across Central Asia have limited or no coverage.
- Various Asia-Pacific carriers
Regional eSIM vs Local SIMs vs Canadian Carrier Add-Ons for Asia Travel
For multi-country Asia trips, a regional eSIM saves both money and the hassle of buying a new SIM at every border crossing.
| Category | HelloRoam Regional Asia eSIM Recommended | Individual country SIMs | Canadian carrier international add-on |
|---|---|---|---|
| Typical cost | — | — | — |
| Details | One plan covers multiple countries. Buy before leaving Canada. Activate at home. Connect the moment you land. Automatic carrier switching at each border. | New SIM required at each border. Some countries require passport registration. You lose your number each time. The time spent hunting for SIM vendors adds up across a long trip. | Rogers, Bell, and Telus international day passes typically cost $12-15 per day per country. Multi-country Asia trips can generate hundreds of dollars in roaming fees. Most plans throttle speeds after a daily data cap. |
Prices approximate as of . Actual savings vary.
Best Times for Canadians to Visit Asia
Asia's travel seasons vary widely by sub-region. For Southeast Asia, the dry season from November through April is ideal across most of Thailand, Vietnam, Cambodia, and Laos. The monsoon season from May through October brings heavy rain, flooding, and reduced network performance in some rural areas.
For Japan and South Korea, spring (March to May) is the most popular season. Cherry blossom season in Japan draws large crowds and can strain urban mobile networks at peak times in major parks. Autumn (September to November) is also excellent with lighter crowds and cool weather.
For India, the cooler months of October through March are best for northern India including Rajasthan and Delhi. Southern India is pleasant year-round.
For Canada's many travellers of Asian descent visiting family across the continent, connections are often strongest in major urban centres regardless of season.
Explore Countries in Asia
Japan
From $3
HelloRoam covers Japan with 4G/5G plans across Tokyo, Osaka, and Kyoto. Stay connected without swapping SIM cards.
Activate before landing. NTT docomo 5G covers cities. Airport WiFi has 30-minute limits.
China
From $3
Get HelloRoam data in China covering Shanghai, Beijing, and more. Skip the hassle of local SIM cards.
China Mobile and Unicom run 5G in major cities. Download WeChat and maps offline before crossing.
Thailand
From $3
HelloRoam offers Thailand eSIM plans for Bangkok, Phuket, and Chiang Mai. Connect the moment you land.
AIS and TrueMove H run 5G in Bangkok. Coverage reaches Thai islands but drops in rural areas.
India
From $4
HelloRoam offers India eSIM plans for Mumbai, Delhi, and beyond. Stay online across the subcontinent.
Vodafone and Vi India cover 4G in cities. Mumbai metro has limited underground signal.
Vietnam
From $3
Stay connected in Vietnam with HelloRoam eSIM data for Hanoi, Ho Chi Minh City, and Da Nang.
Vinaphone covers 4G across Vietnam. Speed is solid in Hanoi but drops on island ferries.
Indonesia
From $3
HelloRoam keeps you online in Indonesia, from Bali to Jakarta. Get data that works right away.
Telkomsel covers 5G in Jakarta. Signal drops on Bali north coast, so save offline maps.
Bangladesh
From $3
Get HelloRoam eSIM data in Bangladesh covering Dhaka, Chittagong, and other major areas.
Banglalink 4G covers Dhaka and Chittagong. Signal can be congested in Dhaka at peak hours.
Hong Kong
From $3
HelloRoam gives you eSIM data in Hong Kong, covering Kowloon, Central, and the New Territories.
CMHK 5G covers Hong Kong. MTR metro has full signal underground. Activate before landing at HKG.
Kazakhstan
From $3
Stay online across Kazakhstan with HelloRoam eSIM data for Almaty, Astana, and beyond.
Beeline 4G covers Kazakhstan. Almaty has strong signal. The Kazakh steppe has limited coverage.
Kyrgyzstan
From $3
HelloRoam gives you mobile data in Kyrgyzstan for Bishkek, Osh, and popular travel routes.
Beeline 4G covers Bishkek. Coverage is limited in the Tien Shan mountains near Karakol.
Laos
From $4
Stay connected in Laos with HelloRoam eSIM plans for Vientiane, Luang Prabang, and Vang Vieng.
Lao Telecom 5G covers Vientiane and Luang Prabang. Remote rural areas have limited coverage.
Malaysia
From $3
HelloRoam provides eSIM data across Malaysia, from Kuala Lumpur to Penang and Langkawi.
CelcomDigi and U Mobile run 5G in Kuala Lumpur. Signal thins in Borneo's interior.
Pakistan
From $1
Philippines
From $2
Stay online in the Philippines with HelloRoam eSIM plans for Manila, Cebu, and Boracay.
Globe and SMART run 5G in Manila and Cebu. Inter-island ferry crossings often lose signal.
Singapore
From $3
HelloRoam provides eSIM data for Singapore. Get fast coverage across the entire city-state.
StarHub, M1, and SingTel run 5G in Singapore. MRT has full underground coverage.
South Korea
From $3
HelloRoam offers South Korea eSIM plans for Seoul, Busan, and Jeju Island. Connect on landing.
LG U+ and SKTelecom run 5G across South Korea. Seoul Metro has full underground coverage.
Sri Lanka
From $3
Get HelloRoam data in Sri Lanka covering Colombo, Kandy, and southern beach towns.
Mobitel 4G covers Colombo and Kandy. Signal drops in the tea country highlands.
Uzbekistan
From $3
HelloRoam offers Uzbekistan eSIM data plans for Tashkent, Samarkand, and Bukhara.
Beeline 5G covers Tashkent and Samarkand. Remote Nuratau mountains have limited signal.
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Reviews
What Our Customers Say
Real reviews from Trustpilot and the App Store, quoted as written.
40k+ travellers have used HelloRoam
Cat
On a trip to Europe, my hotel Wi-Fi was so slow and outside Wi-Fi was unreliable. I couldn’t take it anymore so I got helloroam for a few days. It was tricky to set up correctly because of the primary settings (with my original number). But I reached out to their customer service via WhatsApp. Super responsive and helpful, with specific and clear steps to troubleshoot. Appreciate having 4G roaming instead of being stuck with in and out Wi-Fi during my trip!!
Rated 5 out of 5 by this reviewer
Very good experience! The eSIM was easy to set up and worked great in London. It was much cheaper than it would have been to use my own operator there.
Ilona
Rated 5 out of 5 by this reviewer
metulker
Hard to set up but help was good
Rated 5 out of 5 by this reviewer
Reuben
Really happy with HelloRoam. Everything worked as expected, from messaging and Google Maps through to streaming without any issues. Easy to use, reliable and affordable. Would happily use them again when travelling.
Rated 5 out of 5 by this reviewer
Angeline
Reliable connection. Reasonable pricing.
Rated 4 out of 5 by this reviewer
Asia eSIM Questions Answered
How much does an Asia SIM card plan cost for Canadians travelling through Japan and Southeast Asia?
An Asia data sim from HelloRoam Asia e SIM card plan starts at CA$9.06 on Local network provider 4G/5G networks. HelloRoam delivers the QR to your inbox so you activate before boarding from Canada. No contract and no credit check required on any plan.
What is the best unlimited data eSIM Asia plan for multi-country travel?
The cheapest eSIM for Asia from HelloRoam gives unlimited data starting at CA$9.06 on Local network provider 4G/5G networks. HelloRoam delivers the QR to your inbox so you activate before boarding from Canada. No contract and no credit check required on any plan.
What is the best eSIM for Asia for Canadians?
HelloRoam is the best eSIM for Asia for Canadians departing from Toronto Pearson YYZ, Vancouver YVR, Montreal YUL, Calgary YYC, or Ottawa YOW. Plans start from CA$9.06 and connect to 212+ carrier networks across 185+ countries. You get local 4G/5G speeds, a 180-day refund guarantee on unactivated eSIMs, and 24/7 live chat support in English and French. Rogers Roam Like Home and Bell Roam Better each charge CAD 12 or more per day. HelloRoam costs far less for most trips. For Canadian travellers who want reliable mobile data and real savings on wireless connectivity, it is the practical choice over any carrier roaming plan.
How much does a Asia eSIM cost compared to Bell or Rogers roaming?
HelloRoam eSIM plans for Asia start from CA$9.06 as a one-time prepaid purchase. Bell US Roam Better costs CAD 12 per day. Bell international roaming costs CAD 16 per day. Rogers Roam Like Home costs CAD 12 per day. Telus Easy Roam costs CAD 12 per day. A 10-day trip under Rogers or Bell adds CAD 120 or more to your monthly bill. HelloRoam fixed plans run 3GB to 20GB with no daily billing cycle and no overage fees. When you compare a prepaid data package from HelloRoam against a daily carrier roaming plan, the internet abroad savings on a two-week trip are significant.
Which networks does HelloRoam eSIM connect to in Asia?
HelloRoam eSIM in Asia connects to local 4G LTE and 5G carrier networks. Your phone selects the strongest available signal automatically on arrival. Coverage spans major cities, airports, highways, and most rural areas. HelloRoam partners with 212+ carrier networks globally. Canadian travellers get consistent local speeds across all top destinations without paying Bell, Rogers, or Telus daily roaming rates. That cellular coverage spans urban centres and popular tourist areas, giving you solid mobile data for maps, messaging, and streaming throughout your trip.
How do I set up a HelloRoam eSIM before leaving a Canadian airport?
Setting up your HelloRoam eSIM before departure takes three steps. First, choose your plan at helloroam.com or in the app and complete checkout. Second, scan the QR code from your confirmation email in Settings under Add eSIM or Add Cellular Plan. Third, your e-sim installs in under 2 minutes. Buy and install at home or at Toronto Pearson YYZ, Vancouver YVR, Montreal YUL, Calgary YYC, or Ottawa YOW using the free airport Wi-Fi before your flight boards.
Does my iPhone work with a Asia eSIM if I am on Bell, Rogers, or Telus?
iPhone XS and all newer models work with HelloRoam eSIM in Asia as long as your device is carrier-unlocked. iPhones purchased directly from Apple are unlocked by default. Phones on a Bell, Rogers, or Telus payment plan may be locked until fully paid off. Check Settings under General, then About, then Carrier Lock to confirm. Once unlocked, scan the QR code in Settings under Cellular, then Add eSIM, and your Canadian number stays active on dual SIM while HelloRoam handles travel data.
Does one eSIM work across all of Asia?
A HelloRoam Asia regional eSIM works across multiple Asian countries on one plan. Your phone switches to the local carrier automatically when you cross each border. Coverage quality varies by country from world-class 5G in Japan to functional 4G in Southeast Asian capitals. Always check the country list before you buy.
Does a HelloRoam Asia eSIM work in Japan?
Yes. Japan has near-universal coverage from NTT Docomo, SoftBank, and au. You get 5G in all major cities, Shinkansen bullet train routes, Tokyo and Osaka subway systems, and even most rural mountain areas. Japan is one of the best-connected countries on any Asia itinerary.
Does an Asia eSIM work in South Korea?
South Korea has one of the world's highest 5G penetration rates. SK Telecom, KT, and LG Uplus deliver dense 5G in Seoul, Busan, and across the country. Coverage on the Seoul Metro is excellent throughout. Jeju Island has strong 4G. An Asia regional eSIM connects you to these top-tier networks.
