5G eSIM Asia
- Receive your eSIM immediately
- 24/7 customer service support
- Fully refundable before use
- Check your device compatibility
Product details
Validity 1-30 days
Internet speed 5G/4G LTE
Service type Data only
Coverage area China mainland, Hong Kong (China), Taiwan, Macao (China), Thailand, Malaysia, Singapore, Vietnam, Indonesia, Philippines, South Korea, Japan and Cambodia
Data limit For Unlimited plans: 15GB/Day without a speed limit, 1Mbps after the limit
Hotspot Sharing Yes
Local telecom operator China mainland - China Unicom 5G, Hong Kong (China) - csl 4G, Taiwan - Chunghwa 5G, Macao (China) - CTM 5G, Thailand - AIS 5G, Malaysia - CelcomDigi 5G, Singapore - SingTel 5G, Vietnam - MobiFone 4G, Indonesia - Telkomsel 5G, Philippines - Globe 5G, South Korea - LG U+ 5G, Japan - KDDI/au 5G, Cambodia - Metfone 4G
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?
- Download the Klook app
- Check device compatibility
- Select your destination and data plan
- Activate instantly via app or QR code
- 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
- Enjoy free cancellation within 180 days from booking confirmation date provided that data usage has not commenced
How to use








Additional information
- For connection issues, please contact merchant via the following steps: Account > Bookings > eSIM booking > Top right contact merchant
Reviews
Jireh *****
Review for: Data per day · 10 days · Unlimited · Data only Book now
I used Klook eSIM Asia Unlimited Data in Cambodia and Vietnam and the process was so easy. The wifi access is fast and smooth.



Jureerat ********
Review for: อินเทอร์เน็ตต่อวัน · 3 วัน · ไม่จำกัด · อินเทอร์เน็ตเท่านั้น Book now
👍 The signal is uninterrupted, absolutely excellent!



Benedict **
Review for: Data in total · 7 days · 5GB · Data only Book now
E-sim from Klook are very user friendly, and top-up is not complicated. Only comment I can suggest is that they provide a more real-time monitoring of the consumption of the data, so we can reload when needed.
Yunxin ***
Review for: Data in total · 7 days · 10GB · Data only Book now
Good……………………………………………………………………………………………………………………………Good………………………………………………………………………………………………………………………………………………………………………
Lei ******
Review for: Data in total · 15 days · 10GB · Data only Book now
It was so easy to use, no need to remove your current sim. I haven't experience no signal or data anywhere I go. The signal is strong.
Roy ******
Review for: Data in total · 7 days · 3GB · Data only Book now
wasn’t sure but used this for the kids and it was as ideal.Have purchased further eSIMs beacauae of the experience.
Klook User
Review for: Data per day · 10 days · 3GB · Data only Book now
I went to Japan for 10 days and this worked seamlessly for me. Easy to buy, easy to activate, easy to navigate
FAQs
Explore more on Klook
Top attractions in Singapore
- 1 Sentosa Island
- 2 Universal Studios Singapore
- 3 Singapore Zoo
- 4 Merlion Park
- 5 Jewel Changi Airport
- 6 Gardens by the Bay
- 7 Singapore Oceanarium
- 8 Mandai Wildlife Reserve
- 9 Marina Bay
- 10 Clarke Quay
- 11 Night Safari of Singapore
- 12 Marina Bay Sands Skypark Observation Deck
- 13 Chinatown Singapore
- 14 Little India
- 15 Fort Canning Park
- 16 VivoCity
- 17 Orchard Road
- 18 Singapore Flyer
- 19 ArtScience Museum
- 20 St John's Island
Everything you need for your Singapore visit
- 1 Singapore Hotels
- 2 Singapore Car rentals
- 3 Singapore Private airport transfers
- 4 Singapore Cultural experiences
- 5 Singapore Workshops
- 6 Singapore Tours
- 7 Singapore Day trips
- 8 Singapore Food tours
- 9 Singapore Outdoor & sports activities
- 10 Singapore Water activities
- 11 Singapore Cooking classes
- 12 Singapore Spas
- 13 Singapore Boat charters
- 14 Singapore Cruises
- 15 Singapore Wellness
- 16 Singapore Fitness
- 17 Singapore Boat tours

Rizlanne ******
Review for: Data in total · 7 days · 10GB · Data only Book now
Easy setup, reliable connection, and great coverage throughout our trip. A convenient and hassle-free way to stay connected while traveling. Highly recommended!