5G eSIM Asia

4.5
(210 reviews)
10K+ booked
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  • Receive your eSIM immediately
  • Supports TikTok & AI tools
  • Quality Guarantee – Refund before usage or if you experience issues
  • Access 24/7 customer support
  • Verify your device compatibility

Product details

Validity 1-30 days

Internet speed 5G/4G LTE

Service type Data only

Coverage area Cambodia | Hong Kong | Indonesia | Japan | Philippines | Macao | Mainland China | Malaysia | Singapore | South Korea | Taiwan | Thailand | Vietnam

Data limit Unlimited Plans: 15 GB/day at full speed, then slows to 1 Mbps

Hotspot Sharing Yes

Local telecom operator Cambodia - Metfone 4G LTE | Hong Kong - CSL 4G | Indonesia - Telkomsel 5G | Japan - KDDI/au 5G |Macao - CTM 5G | Mainland China - China Unicom 5G | Malaysia - CelcomDigi 5G | Philippines - Globe 5G | Singapore - Singtel 5G | South Korea - LG U+ 5G | Taiwan - Chunghwa 5G | Thailand - AIS 5G | Vietnam - MobiFone 4G LTE

What to expect

What is an eSIM for Asia?

An eSIM Asia is a digital SIM card that lets you add a mobile data plan to your phone without needing a physical SIM. With a Asia eSIM, you can stay connected as you travel across countries like China mainland and Singapore — no need to visit a SIM card store or worry about roaming fees.

How to Get Your Asia eSIM?

  1. Download the Klook app
  2. Check device compatibility
  3. Select your destination and data plan
  4. Activate instantly via app or QR code
  5. Turn on data roaming to connect to the local network

Why Choose Klook’s eSIM for Asia ?

  • High-Speed Data: Reliable connectivity through top local networks like China Unicom or SingTel.
  • Instant Setup: Activate in 5 minutes — no physical SIM required.
  • Affordable Plans: Transparent pricing with no hidden expensive roaming fees.
  • Wide Compatibility: Works with 100+ eSIM-enabled devices.
  • Hotspot Sharing: You can easily share data with other devices.

Things to Know About Asia eSIMs

1. How does eSIM Asia work?

Asia eSIM works by digitally adding a mobile plan to your device. Simply purchase a prepaid Asia eSIM, install it through the Klook app or a QR code, and get connected as soon as you arrive. Hotspot and tethering are supported and you can easily add additional data linked to your main eSIM if you run out of data.

2. Is eSIM worth it for Asia ?

Definitely! An eSIM is the easiest way to stay connected while traveling in Asia — no need to swap physical SIM cards. With Klook’s Asia eSIM, avoid expensive roaming fees while enjoying fast and reliable coverage across China mainland and Singapore and beyond from China Unicom or SingTel for a seamless travel experience.

3. Can you keep your primary SIM number with a Asia eSIM?

Yes. Thanks to the dual SIM functionality of an eSIM, you can keep your local phone number. Your local SIM card stays in your phone, and you add the eSIM Asia plan for internet access. This lets you enjoy data in Asia without having to swap out your physical SIM card.

Terms & Conditions

Cancellation policy

  • Cancel before your eSIM connects for a full refund. If you face issues after activation, low usage qualifies for a full refund, while higher usage may qualify for a partial refund plus 10% extra in KlookCash. All refunds are at Klook’s sole discretion.

How to use

Activate your Klook eSIM before travel
Activate your eSIM before travel
Klook eSIM installation methods
Activate your eSIM via Klook in-app activation, scanning the QR code, or entering the SMDP+ details manually
Klook eSIM In-app activation
Click Add eSIM to device on your booking to start the installation. Don't worry, data and validity will only commence when you reach your destination
Klook eSIM In-app activation
Installation of your eSIM will start automatically
Klook eSIM iOS installation
Set up your Klook eSIM for travel on iOS
Klook eSIM installed
Your eSIM is ready for use! Usage and validity start only when the eSIM connects to an overseas network
Turn on Klook eSIM
Turn on Klook eSIM and select Klook eSIM for mobile data
Turn on Data roaming
Switch on data roaming at your destination to start using your eSIM
Klook eSIM connected
Your klook esim is connected! Track your data balance and validity through the Klook app

Additional information

  • For connection issues, please contact merchant via the following steps: Account > Bookings > eSIM booking > Top right contact merchant

Reviews

4.5/5
Based on 210 reviews

klook会員 *

15 Jul
Highly recommended

Review for: 期間中合計 · 30日 · 10GB · データ通信のみ Book now

The installation method was easy to understand, and setup was smooth. Communication was comfortable throughout the trip, and I was able to use it without any issues. However, the "Asia eSIM" I purchased this time included Japan as a covered country, so the usage period and validity countdown began as soon as I installed it in Japan. I failed to check this detail, and the validity period expired during my trip. Afterward, I purchased additional country-specific eSIMs for Thailand and Cambodia. They were very affordable and I could use them immediately, which allowed me to continue my trip with peace of mind. Next time, I will check the covered countries, and if Japan is included, I plan to install it on the day of departure or at the airport. For others in a similar situation, just being aware of this point will save you trouble. The product itself is very easy to use, and I would like to use it again.

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Thani **********

21 Jul
Highly recommended

Review for: Data per day · 5 days · 3GB · Data only Book now

used this Asia esim because it's the only plan with Cambodian coverage. it works well with very minimal disruptions and pricing was good

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Klook User

4 Aug
Highly recommended

Review for: Data per day · 7 days · Unlimited · Data only Book now

i had a good experience with the esim offered by Klook. sharing photos in the social media made easy. communication reaches family and friends back home easily. in short, it was superb!!!

Miguel ********

2 Aug
Highly recommended

Review for: Data per day · 4 days · 3GB · Data only Book now

the experience of the sim card was smooth and so easy to activate. I got the multiple country option and worked in vietnam, indonesia and also in Philippines. me and my girlfriend had a wonderful time in Indonesia thanks the Esim.

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TAMAURA ****

31 Jul
Fantastic

Review for: 1日ごと · 5日 · 無制限 · データ通信のみ Book now

I was able to use it without any problems in Siem Reap, Cambodia! If your home country is included in the coverage, pay close attention to the activation date and time! Days are counted starting from the moment of activation!

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Nur *************

31 Jul
Highly recommended

Review for: Kuota per hari · 4 hari · Unlimited · Hanya kuota Book now

This is the perfect solution for anyone traveling to an Asian country but unsure how to get internet access. The price is affordable, and installing the eSIM is very easy. I've bought it many times for my friends because it's highly recommended!

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LAI *******

8 Jul
Highly recommended

Review for: 每日流量 · 10天 · 3GB · 僅包含流量 Book now

Excellent eSIM with fast and stable internet throughout my trip. The setup was quick and easy—just scanned the QR code and it activated within minutes. The connection was reliable in every city I visited, making it easy to use maps, social media, and messaging without any issues. Great value for the price, and I would definitely use this service again for future travels. Highly recommended!

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Klook User

8 Jul
Highly recommended

Review for: Data per day · 3 days · Unlimited · Data only Book now

Using an eSIM made traveling so much easier and more convenient. I was able to activate my data plan before arriving, so I had internet access the moment I landed without having to search for a local SIM card or wait in line at the airport. The setup process was quick and straightforward, and the connection was reliable throughout my trip. Having constant access to maps, ride-hailing apps, messaging, and travel bookings gave me confidence while exploring a new destination. I also liked that I could keep my primary SIM active while using the eSIM for data. It’s a hassle-free, time-saving option that offers great value for travelers. I highly recommend using an eSIM if you want a seamless and stress-free travel experience. I’ll definitely use one again on my future trips.

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