Regional planeSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia

Get the best travel eSIM plan for your trip to Singapore & Malaysia & Vietnam & Thailand & Indonesia. Enjoy instant activation, opt for an unlimited data plan, and skip the data roaming charges.

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4.9/5 · 12,000+ reviews
100,000+ travelers
Instant activation
24/7 support
14-day refund

Choose Your Plan

No fixed plans available

Always Connected

High-speed data wherever you go in Singapore & Malaysia & Vietnam & Thailand & Indonesia

Roamix partners with leading Singapore & Malaysia & Vietnam & Thailand & Indonesia carriers to deliver true 4G and 5G speeds, so every app, call, and upload works exactly as it should.

  • Crystal-clear video calls with zero lag on FaceTime, WhatsApp, and Zoom
  • Post photos and stories instantly: no buffering, no failed uploads
  • Real-time GPS navigation: never get lost in Singapore & Malaysia & Vietnam & Thailand & Indonesia
  • Buffer-free streaming on Netflix, YouTube, and Spotify

Network Speed

3G/4G coverage

Roamix connects you to the fastest available network in Singapore & Malaysia & Vietnam & Thailand & Indonesia automatically.

Download speedUp to 200 Mbps
Upload speedUp to 50 Mbps
Network latency< 30ms

Works great with

Maps
Uber
WhatsApp
Instagram
Spotify
Gmail

How to get an eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia

Forget swapping your physical SIM card. Just three steps to get a new data plan for your Singapore & Malaysia & Vietnam & Thailand & Indonesia adventure.

1

Choose your eSIM data plan

Browse our prepaid data plans and pick the perfect data package for your data needs. Whether you need a daily data allowance, gb of high-speed data, much data, or a full 30 days plan, we have you covered.

Try data calculator
2

Buy an eSIM securely

Buy the best eSIM package using card, Apple Pay, or Google Pay. Your eSIM profile is generated and emailed instantly via our secure system. Purchase a data plan online today.

•••• 1815VISA
Payment confirmed
QR code delivered instantly
3

Install the eSIM & explore

Before you travel, simply scan the QR code to install your eSIM. Once you land, turn on cellular data, and your eSIM will connect to the best network in Singapore & Malaysia & Vietnam & Thailand & Indonesia automatically.

View setup guide
Regional planSingapore & Malaysia & Vietnam & Thailand & Indonesia
Active
Remaining data10 / 10 GB
Expires in29 days, 18 hours

Why choose Roamix

The best eSIM provider for your Singapore & Malaysia & Vietnam & Thailand & Indonesia travel

  • Awesome eSIM Plans

    If you are looking for the best eSIM, we offer excellent Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM plans. Using an eSIM means you get instant, affordable mobile data plans without a physical SIM. Say goodbye to expensive data roaming fees.

  • Instant delivery

    Your eSIM card is ready in under 60 seconds. Our custom eSIM technology means no physical shipping. Buy an eSIM online, quickly install an eSIM, and get online.

  • Premium local coverage

    We partner directly with top-tier carriers in Singapore & Malaysia & Vietnam & Thailand & Indonesia to ensure you get strong, reliable 4G LTE everywhere you go, and lightning-fast 5G where available.

  • No hidden fees

    Enjoy a prepay eSIM with no hidden fees. Choose your gb of data and track your data usage easily. No overages and perfectly managed data per day.

  • Secure payments

    Bank-level encryption via Stripe. Your travel eSIM purchase is fully secure, whether you buy a few days or an unlimited data plan.

  • Keep your number

    We support eSIM dual-SIM technology, keeping your original number active while you use your Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM for data.

  • Hotspot included

    Share your mobile data with a laptop at no extra cost. Perfect for those who traveled to Singapore & Malaysia & Vietnam & Thailand & Indonesia for work.

  • 24/7 Global support

    Real humans ready to help. Whether you have a quick setup question at the airport or a mid-trip emergency, our team is available around the clock.

The smart choice

Roamix eSIM vs roaming vs local SIM in Singapore & Malaysia & Vietnam & Thailand & Indonesia

Skip the airport SIM card lines and sky-high carrier roaming bills. Here's why travelers worldwide choose Roamix.

Feature
Roamix
RoamingLocal SIM
Price
Instant activation
No hidden fees
Keep your home number
Works before you land
Hotspot / tethering

Ready to travel smarter? Get your Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM in under 60 seconds.

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Essential Singapore & Malaysia & Vietnam & Thailand & Indonesia travel info

Quick facts and network details to help you prepare for your trip to Singapore & Malaysia & Vietnam & Thailand & Indonesia.

Capital

N/A

Currency

Multiple

Language

Multiple

Timezone

Varies by country

Network Coverage & Operators

ID flagIndonesia
Telkomsel5G
MY flagMalaysia
CelcomDigi5G
Maxis5G
SG flagSingapore
SingTel5G
TH flagThailand
DTAC5G
TrueMove H5G
VN flagVietnam
MobiFone4G
Viettel Mobile5G
Vietnamobile4G

Frequently asked questions — Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM

What is a Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM and how does it work?

A Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM is a digital SIM card that gives you instant mobile data access across Singapore & Malaysia & Vietnam & Thailand & Indonesia without a physical SIM card. After purchase, scan the QR code to download a carrier profile onto your phone. When your device connects to a local network in Singapore & Malaysia & Vietnam & Thailand & Indonesia, your plan activates automatically.

How do I activate my eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia?

After purchasing your Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM, scan the QR code from your email or Roamix dashboard to install the profile. We recommend installing before you travel on a stable Wi-Fi connection. When you arrive in Singapore & Malaysia & Vietnam & Thailand & Indonesia and your phone detects a local network, your plan activates and data begins automatically.

Can I keep my own phone number when using a Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM?

Yes. With a Roamix eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia, your primary SIM card stays fully active. People can call and text you on your usual number as normal. The eSIM runs alongside your existing SIM in dual-SIM mode, with your home SIM handling calls and texts while Roamix provides affordable mobile data in Singapore & Malaysia & Vietnam & Thailand & Indonesia.

When should I install my Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM?

Install your Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM before you travel, at home on a Wi-Fi connection. The plan does not start counting down or consuming data until your device connects to a local network in Singapore & Malaysia & Vietnam & Thailand & Indonesia. Installing in advance means you step off the plane already connected with no airport setup required.

Will my phone work with a Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM?

Most modern smartphones support eSIM, including iPhone XS and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer. Your device must also be carrier-unlocked. Use our free eSIM Compatibility Checker to confirm both requirements in seconds before purchasing your Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM plan.

What network speeds can I expect in Singapore & Malaysia & Vietnam & Thailand & Indonesia?

Roamix partners with leading mobile network operators in Singapore & Malaysia & Vietnam & Thailand & Indonesia to deliver the best available speeds. 4G LTE is available across all supported areas, and 5G is available where local infrastructure supports it. Actual speeds depend on your location within Singapore & Malaysia & Vietnam & Thailand & Indonesia, local network load, and your device's band compatibility.

What happens if I run out of data while in Singapore & Malaysia & Vietnam & Thailand & Indonesia?

Roamix sends usage alerts at 50% and 80% of your data so you can plan ahead. If your data runs out in Singapore & Malaysia & Vietnam & Thailand & Indonesia, internet connectivity pauses with no automatic overage charges. You can top up additional data instantly from your Roamix dashboard without reinstalling your eSIM.

Can I get a refund if I don't use my Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM?

Roamix offers a 14-day refund window for Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM plans that have not been installed or activated. If your travel plans change, contact support@roamix.app within 14 days of purchase with your order number. Once a QR code is scanned and the eSIM profile installed, the plan is considered activated and refunds are not available.

What is the cheapest eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia?

Our Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM plans start at $4.35 for the smallest data package. Larger plans offer a better per-GB rate and are ideal for longer trips or heavier data users. Browse all available Singapore & Malaysia & Vietnam & Thailand & Indonesia plans above to find the best option for your trip.

Do I need a SIM card for Singapore & Malaysia & Vietnam & Thailand & Indonesia?

No physical SIM card is needed for Singapore & Malaysia & Vietnam & Thailand & Indonesia if your phone supports eSIM, which most smartphones since 2018 do. A Roamix eSIM lets you download a digital carrier profile before you travel with no store visit, no card swap, and no waiting at the airport. Your home SIM stays active for calls and texts.

Which countries does the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan cover?

The Roamix Singapore & Malaysia & Vietnam & Thailand & Indonesia plan covers Vietnam, Indonesia, Thailand, and 2 more. This regional plan is ideal if you're visiting multiple countries during your trip, saving you from buying separate eSIMs for each destination.

Will the Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM automatically switch between countries?

Yes, your Roamix Singapore & Malaysia & Vietnam & Thailand & Indonesia eSIM will automatically connect to available networks as you cross borders. You don't need to manually change settings or buy new plans when moving between covered countries.

Does my data work across all countries in the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan?

Yes, your data allowance is shared across all countries included in the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan. You can use your data in any covered country without worrying about separate allocations or restrictions.

Is a regional plan better than buying individual country eSIMs?

If you're visiting multiple countries in Singapore & Malaysia & Vietnam & Thailand & Indonesia, a regional plan offers better value and convenience. You get one eSIM that works everywhere, simpler management, and often lower overall cost compared to individual country plans.

Is the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan good for business travelers?

Yes, the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan is excellent for business travelers who visit multiple countries. It provides reliable connectivity for video calls, email, and cloud access across the region without the hassle of changing SIMs or dealing with multiple providers.

How good is the coverage across Singapore & Malaysia & Vietnam & Thailand & Indonesia?

Roamix partners with major carriers in each country within the Singapore & Malaysia & Vietnam & Thailand & Indonesia plan. This means you get reliable, high-quality coverage in major cities, business districts, and tourist areas across all included destinations.

What is the best eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia?

Roamix is the best eSIM for Singapore & Malaysia & Vietnam & Thailand & Indonesia because it offers seamless coverage across multiple countries with a single plan. With competitive pricing, instant activation, automatic network switching, and reliable connectivity throughout the region, Roamix makes multi-country travel effortless. You can focus on your journey while staying connected everywhere you go.

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