HelloRoam offers prepaid eSIM data plans for Asia from £4.83 a day. Your e SIM connects to local 4G/5G networks the moment you land. Activate by QR code in under two minutes, with no shop visit required. Keep your EE, Vodafone, or Three number live on dual SIM while your e-sim handles data abroad.
- Mobile networks
212+- 5G support
4G/5G- Setup
under two minutes
Last updated
Your travel sim Asia with local network coverage
Cheap eSIM for Asia, starting from £4.83. Local 4G/5G data on top carrier networks in Asia. Works on all eSIM compatible phones. Getting an Asia sim through HelloRoam is faster and cheaper than buying at the airport. Plans start at £4.83 on Local network provider 4G/5G networks. Activate by QR before your first leg from Heathrow or Manchester and skip every airport SIM desk. No physical card needed and a 180-day money-back guarantee on unactivated eSIMs covers every plan.
Asia eSIM with fast 4G/5G coverage
HelloRoam Asia eSIM covers 48 countries on one plan. British travellers hopping from Japan to South Korea to Thailand to Vietnam stay connected without buying a SIM at each border. Plans start at £0.41 per day.
- Plans start at £4.83 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
- £4.83
- Activation
- Under 2 min
- Guarantee
- 180 days
How to Set Up an eSIM in Asia
Follow these steps to get your eSIM sorted on iPhone or Android before your holiday. Works for any eSIM for international travel, no replacement SIM, no shop visit.
Set up an eSIM on your iPhone for travel from the UK
Set up an eSIM on your Android for travel from the UK
- 1
Choose your plan and checkout online
Choose a data plan for your destination and complete your purchase in GBP.
2Scan the QR code
Scan the QR code to install your eSIM straight away.
- 3
Activate in minutes: ready on arrival
Your eSIM installs instantly and activates when you land.
4Manage it all from our mobile app
Track usage, top up data, and manage all your eSIMs in one place.
Holiday changed? Not to worry, your money is safe.
Plans change. With HelloRoam, you can request a full refund on any unused eSIM plan within 180 days of purchase. No questions asked if the eSIM has not been activated.
Learn more about our refund policyHelloRoam Asia eSIM vs EE, Vodafone and Three roaming
When comparing eSIM vs a travel SIM card for Asia, HelloRoam wins on price. EE charges £6/day on their Roam Abroad Pass, Vodafone charges £6.85/day on Xtra roaming, and Three Go Roam applies fair-use data caps. Skip the airport SIM kiosk and get the cheapest eSIM deal from £4.83 with instant QR activation.
| Feature comparison | HelloRoam | UK carrier roaming add-on | Budget eSIM |
|---|---|---|---|
| 180-day refund policy |  Feature available |  Feature not available | Feature not available |
| Round-the-clock live chat | Feature available |  Feature available | Feature available |
| £0 activation fees | Feature available | Feature not available | Feature available |
| Automatic data-usage alerts | 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 |
Is an eSIM Better Than an Asia SIM card for UK Multi-Country Travellers?
HelloRoam costs from £4.83 and is a more practical choice than hunting for a SIM card for Asia at each regional airport. Buying a SIM card for Asia at Bangkok, Singapore, or Tokyo arrival halls means separate queues, different languages, and varying registration rules in every country. A HelloRoam plan scans once at home before your Heathrow departure and keeps you connected across the region.
A data sim card Asia from a regional airport kiosk locks you into one country's network. HelloRoam provides a data sim card Asia plan that covers multiple destinations under one activation, so you are not starting from scratch at every border. Plans start from £4.83 with a fixed GBP price and a 180-day refund guarantee on unactivated eSIMs.
An cheapest eSIM for Asia from HelloRoam activates by QR code before your Heathrow flight and connects to Local network provider 4G/5G on arrival at your first destination. A physical option bought at the airport requires finding a kiosk after a long flight, with no guarantee of English-language support at the counter.
Using an eSIM card Asia from HelloRoam means your phone connects instantly on landing, without tray-swapping or losing your UK number mid-trip. Staying on an saves the cost and inconvenience of repeated local SIM purchases across Japan, Thailand, Vietnam, and Singapore on a single itinerary.
A eSIM in Asia from HelloRoam starts from £4.83 and activates via a single QR code at home before departure. A physical bought at each airport adds cost, time, and frustration to every country change on your itinerary. HelloRoam backs every plan with a 180-day money-back guarantee on unactivated eSIMs.
An sim for Asia from HelloRoam gives UK travellers a fixed-price GBP plan that covers the region on Local network provider 4G/5G networks. An from a local kiosk is priced in local currency, with no English receipts and no refund policy. HelloRoam plans start from £4.83 with instant QR delivery and full English support.
Why UK Travellers Pick HelloRoam e-sim for Asia
Round-the-clock live chat support
HelloRoam support is available 24/7 via live chat, WhatsApp, and email. A real person responds in under five minutes, whether you are setting up before a Heathrow flight or troubleshooting on holiday. That kind of round-the-clock access to mobile data help is hard to find from any other travel eSIM provider.
Best eSIM for Asia
Connect to local 4G/5G networks on local carriers the moment you land in Asia. Buy your plan, scan the QR code, and get online without paying EE, Vodafone, or Three roaming fees. A prepaid data package for your destination costs a fraction of standard carrier daily charges.
Dual SIM ready
Keep your UK mobile number active for calls and texts on your main SIM. HelloRoam runs travel data on a second eSIM line on any dual SIM compatible phone. No need to choose between your EE or Vodafone line and your holiday data. Your wireless connectivity abroad stays separate from your home plan, so there are no bill surprises when you return.
212+ carrier networks including Asia
HelloRoam eSIM connects to 212+ carrier networks across 185+ countries. Your phone picks the strongest 4G/5G signal in Asia with no manual carrier selection needed. That breadth of network access means consistent cellular coverage whether you are in a city centre or a quieter coastal area.
Data alerts before you run out
HelloRoam sends an alert when you reach 80% of your data allowance. Top up from your account dashboard in seconds. A pay as you go eSIM with no contracts and no surprise bills on holiday. Managing your internet abroad this way keeps costs clear and predictable from start to finish.
Local network speeds in Asia
HelloRoam eSIM connects to local 4G/5G networks in Asia at local data prices. You get fast speeds for navigation, video calls, and streaming without paying EE or Vodafone daily roaming rates. Local network speeds through a travel eSIM are the same as what residents get, giving you a reliable connection throughout your trip.
Global and regional plans
Visiting more than one country? HelloRoam regional eSIMs cover the EU, Asia, the Americas, and 185+ destinations in a single purchase. Unlimited data plans work for longer holidays. One QR code, no border hassle. A single regional plan gives you mobile data and wireless connectivity across multiple countries without ever swapping a physical SIM card.
Hotspot and data sharing in Asia
Share your Asia eSIM data with a laptop or tablet using your phone's mobile hotspot. No extra charges and no separate setup needed. Works on all eSIM compatible phones with data sharing enabled. It is a practical way to keep a travel companion or work device running on the same prepaid data package at no added cost.
eSIM Prices for Asia
HelloRoam, the best eSIM Asia. Compare plans from 1 to 30 days and pick the right data for your trip.
| Number of days | Price |
|---|---|
| 1 day | £7.79 |
| 3 days | £22.19 |
| 7 days | £47.96 |
| 15 days | £93.43 |
| 22 days | £126.75 |
| 30 days | £158.83 |
HelloRoam vs Other eSIM Providers for Asia
HelloRoam eSIM reviews from UK travellers highlight the 180-day refund policy, no activation fees, and round-the-clock live support. See how HelloRoam compares to Airalo, Holafly, Saily, and other eSIM providers for your Asia holiday.
| Feature comparison | HelloRoam | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund policy | 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 |
| £0 activation fees | Feature available | Feature not available | Feature available | Feature not available | Feature not available | Feature not available |
| Automatic data-usage alerts | 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 e SIM? How eSIM Works in Asia
An eSIM card is a digital SIM built into your phone. There is no plastic chip and no SIM tray to open. Scan a QR code to activate your e SIM in under two minutes on any eSIM compatible iPhone or Android. It works as a prepaid international data plan for Asia travel with no airport SIM shop queue, no replacement SIM card, and no carrier contract. Mobile data through an eSIM connects to local in-country networks, giving you the same wireless connectivity as a resident rather than a roaming tourist. Follow the step-by-step setup guide to get connected before your flight from Heathrow, Gatwick, or any UK airport. guide
eSIM coverage guide for Asia travel from the UK
Asia covers an enormous range of mobile network quality, from Japan's world-leading 5G to remote mountain areas in Central Asia with no signal at all. A HelloRoam Asia regional eSIM keeps you connected across the most popular travel corridors without buying a new SIM at each border.
East Asia (Japan, South Korea, Taiwan, Hong Kong) has some of the world's fastest and densest mobile networks. Japan's NTT Docomo, SoftBank, and au operate near-universal 5G in populated areas. South Korea's SK Telecom, KT, and LG Uplus have strong 5G nationwide.
These countries have excellent indoor coverage in malls, hotels, and transit systems.
Southeast Asia (Thailand, Vietnam, Singapore, Indonesia, Philippines, Malaysia, Cambodia, Laos) is the most popular multi-country travel corridor in Asia. Coverage quality varies widely. Singapore has near-perfect 4G and 5G. Thailand's AIS and True Move cover cities and resort areas well.
Indonesia's coverage is excellent in Java and Bali but sparse in outer island provinces.
South Asia (India, Sri Lanka, Nepal, Bangladesh, Maldives) has varied coverage. India's Jio, Airtel, and Vi have rapidly expanded 4G and 5G in cities, but rural mountain states and Northeast India have significant gaps.
Nepal's Kathmandu Valley has good 4G but trail coverage in the Himalayas is very limited.
Central Asia (Kazakhstan, Uzbekistan, Kyrgyzstan) has functional urban 4G in capitals but very limited coverage in rural and mountain areas. The Silk Road tourism circuit passes through areas with gaps.
When crossing Asian borders, your phone connects to the local carrier automatically.
- One plan covers 48 countries across Asia
- Japan, South Korea, and Singapore offer world-class 5G networks
- Southeast Asia is the most popular multi-country travel corridor
- Automatic carrier switching at each border crossing
- Mountain and rural areas in South and Central Asia have limited coverage
- Download offline maps before remote treks and island hops
- GSMA Mobile Economy Asia Pacific 2025;
- Ookla Speedtest Global Index 2025
eSIM Travel Tips for Asia
Japan has excellent indoor coverage
Japan's mobile networks are among the world's best and have very strong indoor coverage, including in subway systems, high-speed Shinkansen trains, and mountain tunnel roads. NTT Docomo's network reaches even remote rural areas and mountain villages. Your HelloRoam eSIM works reliably throughout Japan.
Southeast Asia island hops lose data at sea
Ferry routes between Thai islands (Koh Samui, Koh Phangan, Koh Tao), Indonesian islands (Bali to Lombok, Gili Islands), and Philippine islands have no data coverage once you are offshore. Download maps, guesthouse addresses, and transport details before boarding any island ferry.
Nepal and Himalayan treks have no coverage on trails
Nepal's Kathmandu has reasonable 4G from Ncell and Nepal Telecom. Everest Base Camp, Annapurna Circuit, and Langtang trails have no mobile coverage beyond the first few kilometres. Download your trekking maps, permits PDF, and emergency contacts before your trek departs.
Check if China requires a separate plan
China has very specific network access rules and a separate internet environment including the Great Firewall. Most Asia regional plans do not include China or have limited access. If your trip includes mainland China, verify your plan's China coverage and whether you need a separate plan.
India's rural mountain states have signal gaps
India's Northeast states (Arunachal Pradesh, Nagaland, Manipur, Mizoram) and parts of Himachal Pradesh, Sikkim, and Ladakh have very limited coverage. Jio, Airtel, and Vi have expanded rapidly but remote highland areas still lack signal. Download offline content before entering these regions.
Singapore works as a reliable transit hub
Singapore has near-perfect 4G and 5G coverage from Singtel, StarHub, and M1. Changi Airport is one of the world's best-connected airports. Use Singapore transit stopovers to confirm your eSIM is working correctly before heading to countries with lower coverage quality.
Emergency numbers vary across Asia
Emergency numbers differ by country across Asia. Japan uses 110 (police) and 119 (fire and ambulance). South Korea uses 119 (fire and medical) and 112 (police). Thailand uses 191 (police) and 1669 (ambulance). India uses 112 for all emergencies. Save the correct emergency number for each country you visit.
Network coverage across Asia: what British travellers need to know
Asia hosts the world's most advanced and some of the world's most limited mobile networks side by side.
Japan's NTT Docomo has near-universal 5G rollout and underground subway coverage in all major cities. South Korea's SK Telecom, KT, and LG Uplus have the highest 5G penetration rates globally. Singapore's three operators compete in a tiny but dense market with very fast speeds.
Southeast Asia varies from Singapore's excellence to Myanmar's rebuilding network infrastructure. Thailand's AIS leads in GSMA coverage rankings for the region. Vietnam's Viettel has grown rapidly with strong 4G in Hanoi and Ho Chi Minh City. Indonesia's Telkomsel reaches Java and Bali excellently but outer islands very poorly.
South Asia's India is a rapidly evolving market. Jio launched 5G in 2022 and expanded to hundreds of cities. Rural India still has significant gaps, particularly in forested and mountain states. Nepal and Bhutan have very limited coverage outside capitals.
Central Asian networks serve cities well but have almost no coverage in the vast rural steppes and mountain ranges that draw adventure travellers.
- Various Asia-Pacific carriers
HelloRoam Asia eSIM vs UK carrier charges for British travellers
For Southeast Asia's multi-country backpacker routes or East Asia's city-hopping circuits, a regional eSIM saves money and eliminates SIM hunting at every border.
| Category | HelloRoam Regional Asia eSIM Recommended | Individual country SIM cards | UK carrier international roaming (EE, Three, Vodafone UK, O2) |
|---|---|---|---|
| Typical cost | — | — | — |
| Details | One plan for 48 countries. Buy once before departure from the UK. Automatic switching at borders. No SIM queues at Bangkok, Tokyo, or Seoul airports. Consistent pricing for your whole trip. | Buy a new SIM at every border. Registration required in Japan, South Korea, India, and Indonesia. Lose your number each time. Total cost of multiple SIMs adds up for a five-country trip. | UK carriers charge daily fees for Asian data. A 21-day trip to five Asian countries costs significant daily charges. Most plans throttle to slow speeds after a small daily cap. |
Prices approximate as of . Actual savings vary.
Best times for Asian travel data
Southeast Asia's dry season from November to April is peak travel time for Thailand, Vietnam, Cambodia, and Laos. Network demand peaks in popular tourist areas like Bangkok, Chiang Mai, Bali, and Hoi An during these months.
Japan's cherry blossom season (late March to early April) and autumn foliage (mid-October to November) are peak travel periods. Book high-speed Shinkansen routes in advance and download entertainment for train travel.
Monsoon season across South and Southeast Asia runs roughly June to October. Flooding and storm damage can affect tower infrastructure in rural areas. Urban coverage in main cities remains reliable.
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
HelloRoam eSIM Reviews from UK Travellers
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
Common Questions About Asia eSIM
What does an Asia SIM card cost for British travellers on a multi-country trip?
A travel eSIM Asia from HelloRoam starts at £4.83 on Local network provider 4G/5G networks. Every eSIM Asia plan activates by QR before your flight from Heathrow and you arrive at any regional airport already connected. A 180-day refund guarantee on unactivated eSIMs applies to every plan.
Which Asia SIM card plan covers Japan, Thailand, and Singapore on one trip?
The eSIMs Asia from HelloRoam activates by QR code before your flight, giving instant local data on Local network provider 4G/5G networks from £4.83. No contracts, no border swaps, and instant QR activation before your Heathrow departure. Land at your first Asian destination already connected.
Can one Asia eSIM plan cover Japan, South Korea, Thailand, and Vietnam on the same trip?
A HelloRoam Asia SIM card plan covers the main tourist destinations across East and Southeast Asia on Local network provider 4G/5G networks from £4.83 on qualifying regional plans. Exact country coverage varies by plan tier. Check the HelloRoam plan selector to confirm which Asian nations your chosen plan includes before purchasing.
Is an Asia eSIM cheaper than buying separate country SIMs at each airport on a multi-stop trip?
Buying a local SIM at each airport means queuing for registration at Tokyo Narita, Seoul Incheon, and Bangkok Suvarnabhumi separately. A HelloRoam Asia SIM card plan on Local network provider 4G/5G networks covers multiple stops from £4.83 with one QR code installed at home. Skip every SIM counter on your Asia trip.
Does one eSIM work across all of Asia?
A HelloRoam Asia regional eSIM covers 48 countries on one plan. Your phone switches to local carriers automatically at each border. Coverage quality varies by country, from Japan's world-class 5G to limited coverage in remote Central Asian areas. Always check your plan's specific country list.
Does an Asia eSIM work in Japan?
Japan is covered by HelloRoam Asia plans and has some of the world's best mobile coverage. NTT Docomo, SoftBank, and au operate near-universal 5G in populated areas with excellent indoor coverage in subway systems and Shinkansen trains. Your eSIM works reliably throughout Japan.
Does an Asia eSIM work in South Korea?
South Korea is covered by HelloRoam Asia plans. SK Telecom, KT, and LG Uplus serve nationwide coverage. Seoul, Busan, Incheon, and all major cities have dense 5G coverage. Rural areas and Jeju Island have solid 4G. South Korea has one of the highest 5G penetration rates in the world.
Does an Asia eSIM work in Thailand?
Thailand is covered by HelloRoam Asia plans. Bangkok, Chiang Mai, Phuket, and Pattaya connect to AIS, DTAC, and True Move networks. Popular islands like Koh Samui and Koh Phangan have 4G in main resort areas. Remote highland areas near the Myanmar border have limited coverage.
Does an Asia eSIM work in Vietnam?
Vietnam is covered by HelloRoam Asia plans. Ho Chi Minh City, Hanoi, Da Nang, and Hoi An connect to Viettel, Mobifone, and Vietnamobile networks. Northern highland areas near Sapa and Ha Giang have more limited signal in remote valleys. HelloRoam eSIM for HelloRoam Asia eSIM connects to local network with 5G coverage across major tourist and urban areas. Plans start from £4.83. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.
Does an Asia eSIM work in Bali and Indonesia?
Indonesia is covered by HelloRoam Asia plans. Bali, Java (Jakarta, Surabaya, Yogyakarta), and Sumatra connect to Telkomsel, Indosat, and XL Axiata networks. Outer island provinces like Papua, Maluku, and remote Sulawesi have very limited signal. HelloRoam eSIM for HelloRoam Asia eSIM connects to local network with 5G coverage across major tourist and urban areas. Plans start from £4.83. Activate by scanning a QR code before departure. No physical SIM card or airport queue needed.
