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Asia Unlimited Data

5.0| 53 Reviews4.96 out of 5 stars based on 53 reviews
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Important Information

IMPORTANT: Some providers advertising "Unlimited Data for Asia" without addressing any limits or throttling may be misleading. If you find ambiguous language regarding potential data slowdowns attributed to factors beyond their control and assurance speeds will normalize the next day, it typically indicates the presence of an undisclosed daily usage caps. We strongly advise reaching out to them directly or thoroughly reviewing their website to clarify these restrictions. Our eSIM has a 3GB daily high speed data limit. If the 3GB limit is reached in a day then your data will be slowed to 128kbps speeds. Your high speed data resets every 24 hours from time it was activated, where you will get another fresh 3GB of high-speed data for the duration of the prepaid plan.

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Recent Reviews

Hayley L.

Really easy to use and

Really easy to use and fast data

Fiona M.

Very easy to use. I

Very easy to use. I switched it on before leaving Australia and it roamed very well throughout Thailand and Laos. I was never without coverage except in very remote areas, which is completely expected. Having unlimited data meant I could share and I even shared with a group of monks before leaving Bangkok 😄 I had no problems despite my children saying I shouldn't be let loose with technology.

Alan S.

The e-Sim experience was seamless

The e-Sim experience was seamless and functionally effective. Just on reflection I probably did not need unlimited data to continue watching my favorite U-Tube podcasts (on USA politics)

Dawn H.

Followed the instructions - worked

Followed the instructions - worked great once we shut off our phones them powered them up again.

Compare & Choose the Best eSIM Asia Plan!

Stay Connected Across Asia with the eSIM Asia Unlimited Data eSIM by SimCorner 

Traveling through Asia? The eSIM Asia Unlimited Data makes it easy to stay online without switching SIM cards or relying on patchy hotel WiFi. Whether you’re exploring temples in Cambodia, enjoying street food in Thailand, or sightseeing in Japan, this eSIM keeps you connected across 27 countries with one simple plan.

With Unlimited data 4G/5G Data speeds upto 3GB/day and then 128kbps afterwards, it’s the perfect option for short trips, multi-country adventures, or long trip. You can use Google Maps, send messages, share photos, browse the web, and stay in touch—all without worrying about roaming fees or blocked apps.

No VPN is needed, and there are no limits on using social apps like WhatsApp, Facebook, or Instagram—even in countries where those are usually restricted.

Why travellers love this Asia eSIM:

  • One plan for 27 countries—no need to keep swapping SIMs

  • Unlimited data that works across borders

  • Hotspot/tethering supported for sharing data

  • No blocked apps or websites

  • Easy setup on arrival—just scan, activate, and go

This Asia Travel SIM is compatible with unlocked, eSIM-ready smartphones, tablets, Apple iPads, MiFi routers, and dongles. If your device supports eSIM, you're good to go. Simply follow the activation instructions upon arrival and your service will begin immediately.

Where it works:
Covers a wide range of destinations across East, Southeast, and South Asia including China, Hong Kong, India, Indonesia, Japan, Malaysia, South Korea, Sri Lanka, Taiwan, Thailand, Vietnam, and more.

Please note, this is a data-only plan—it does not include a phone number, voice calls, or SMS. It's ideal for travellers who use messaging and social apps to communicate while abroad.

You’ll have flexibility to choose from 5 Day upto 90 days of service, so you can choose when to start your plan based on your travel schedule. Perfect for backpackers, tourists, digital nomads, or business travellers needing solid connectivity without the hassle.

Prepaid Asia Unlimited Data eSIM by SimCorner for Asia travellers

 

Included Features Summary:

  • Country Coverage: Bangladesh, Brunei, Cambodia, China, Georgia, Hong Kong, India, Indonesia, Japan, Kazakhstan, Kuwait, Laos, Malaysia, Maldives, Mongolia, Nepal, Pakistan, Philippines, Qatar, South Korea, Sri Lanka, Taiwan, Tajikistan, Thailand, United Arab Emirates (UAE), Uzbekistan, Vietnam
  • Data: Unlimited Data
  • Data Speed: 4G/5G Data speeds limited to 3GB/day 128kbps afterwards
  • Calls: Not Included
  • Texts: Not Included
  • Phone Number: Not Included
  • Hotspot/Tethering: Yes
  • Validity: 5 to 90 Days service from activation


  • Device Compatibility: Can be used with unlocked, eSIM-compatible mobile phones, Apple iPads, tablets, dongles, and MiFi devices. For compatibility details, please see the "Compatibility" section in "Things to know" section
  • When to install: Upon arrival at your destination
  • Activation: Please see "How to activate this SIM card" in the "Things to know" section

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Every international travel SIM or eSIM card you purchase is backed by our guarantees.

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If you find the same plan at a lower price elsewhere, we will beat it by 5%. Terms apply.

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eSIM Asia Reviews & Ratings

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eSIM Asia FAQs: All You Need to Know

Everything you need to know about SimCorner’s SIM and eSIM services for a hassle-free travel. View all FAQ

SimCorner is your trusted global provider of travel eSIM and SIM cards. We offer affordable, hassle-free plans with options for data-only or data with calls and SMS, covering 200+ destinations. Order our prepaid SIM cards online for fast delivery to your doorstep, or choose an eSIM for instant purchase and easy activation. With our unmatched coverage and award-winning customer support, you can explore the world with confidence wherever your travels take you.
Make sure that your device is eSIM compatibility. See our full list of compatible devices. Ensure that you have access to the eSIM email we have provided. You may wish to print this email out so you have a hard-copy of the eSIM. Please note that your Days of service will commence on the activation date noted on your order.
You can keep track of your Data usage through your phone's data usage function (found in Settings).
Once the eSIM is loaded, you simply need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your phone to use the service.
The Asia eSIM can connect to different network partners in the country
This sim cannot be recharged. Please ensure you purchase the correct duration based on how long your trip is for. Your days of service will start when the eSIM is connected to a network in Asia. This will be the day that your service commences.
This Asia eSIM is a Data-ONLY sim, hence, it does not allow you to make direct calls and send SMS. However, you are still able to make calls and send messages via data based apps such as Whatsapp, Viber, Snapchat, Messenger, iMessage etc. You are also able to add credit to your Viber account, which will allow you to make local and international phone calls directly to landlines and mobiles.
Yes, if you purchase 2 sims then you will be able to contact each other via data based apps such as Whatsapp, Viber, Snapchat, Messenger etc.
We have a 100% Money Back Guarantee policy, which means that if you have a bad experience with one of our sim card and receive no value from it, we will provide you a refund. However, you MUST contact us whilst you are having the issue, so our team can assist you in resolving your problems. Please do this when you are in WiFi (generally at the airport when you land if not working to begin with) or e-mail us from your accommodations (WiFi) or cafe etc. If you only decide to contact us after you return to let us know the sim didn't work then we can't look to provide a refund as we won't be able to see exactly what the issue was and why it didn't work. Should you run into any issues whilst using the sim card, please immediately contact us at support@simcorner.com Should our team be unable to assist you in resolving your issue, then we will provide you a refund on your purchase.
Yes, you will have access to all your apps, messages, contacts and emails whilst using this Asia sim card. Nothing on your phone is deleted or changed and you can continue to use your phone as per normal.
Order your travel eSIM online and let us know your travel date. The eSIM will be emailed to you within 5-10Minutes. When you land at your travel destination, follow the steps noted in the email and your eSIM will be ready to use. Your Days or service will commence.
This is a data only eSIM. It does not come with a phone number.
Yes, you are able to hotspot/tether from your phone to another phone or device.
The mobile data APN settings should automatically update when you insert the sim card in you phone. If it does not, you need to update the settings noted in the instruction guide that comes with the QR code, that is emailed to you. If you still have issues, then e-mail us immediately at support@simcorner.com and let us know what errors you are getting
Depends on the eSIM purchased. Your days of service will start when the eSIM is connected to a network in Asia. This will be the day that your service commences.
Should you run into any issues with the eSIM whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information; Your order number or the name that the order is under Which country you are in currently and whether the eSIM connects to any network, if so, which network? Did you receive any SMS after you installed the eSIM. If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue.
You can stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, iMessage etc. You are also able to add credit to your Viber account, which will allow you to make local and international phone calls directly to landlines and mobiles.
You can stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, iMessage etc. You are also able to add credit to your Viber account, which will allow you to make local and international phone calls directly to landlines and mobiles.
If you are travelling to different countries that are noted on the "Countries Coverage" section, then all you need to do is restart your phone as you move from one country to another. The sim will automatically connect to a local carrier. Should you run into any issues, with network connections as you move from one country to another we encourage you to contact us immediately at support@simcorner.com