5G eSIM Hong Kong | CSL
- 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 Hong Kong
Data limit For Unlimited plans: 15GB/Day without a speed limit, 1Mbps after the limit
Hotspot Sharing Yes
Local telecom operator CSL
What to expect
What is an eSIM for Hong Kong?
An eSIM Hong Kong is a digital SIM card that lets you add a mobile data plan to your phone without needing a physical SIM. With a Hong Kong eSIM, you can stay connected as you travel across Hong Kong — no need to visit a SIM card store or worry about roaming fees.
How to Get Your Hong Kong 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 Hong Kong?
- High-Speed Data: Reliable connectivity through top local networks like CSL.
- 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 Hong Kong eSIMs
1. How does eSIM Hong Kong work?
Hong Kong eSIM works by digitally adding a mobile plan to your device. Simply purchase a prepaid Hong Kong 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 Hong Kong?
Definitely! An eSIM is the easiest way to stay connected while traveling in Hong Kong — no need to swap physical SIM cards. With Klook’s Hong Kong eSIM, avoid expensive roaming fees while enjoying fast and reliable coverage across Hong Kong and beyond from CSL for a seamless travel experience.
3. Can you keep your primary SIM number with a Hong Kong 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 Hong Kong plan for internet access. This lets you enjoy data in Hong Kong 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
Janice ******
Review for: Data in total · 7 days · 3GB · Data only Book now
The 5G e-sim for Hong Kong is very easy to use. You just have to activate it earlier than your travel date. Once you arrive in Hong Kong, you can immediately use it. The internet is reliable and fast, which made it easy for us to travel around Hong Kong. Thank you, Klook!






gerald **********
Review for: Data per day · 3 days · Unlimited · Data only Book now
One thing is you should probably do is to wait until after 2:00 p.m. and maybe eat at a fancy restaurant. The restaurants have tea specials then. If you are at Central around lunch, then you might want to just watch for the "march of the bankers." The restaurants are empty at 11:30. At 12:00, all of the bankers leave and the place becomes a madhouse, then at 1:00 they start going back to work and at 2:00 p.m. the place is relatively deserted. One eating recommendation is to go to the fourth floor of Landmark. There is a three-star Michelin French restaurant called L'Atelier De Joel Robuchon. At Wan Chai (two subway stops) there is a small computer mall, and there is always something going on at the Convention Center. There is an observational floor at the International Commerce Center on the Kowloon side in Tsimsatsui. You can also stop at Chungking Mansions. Lots of cheap Indian food.






Aubrey *****
Review for: Data per day · 4 days · Unlimited · Data only Book now
Using a 5G eSIM during my stay in Hong Kong was one of the best decisions I made for my trip. The setup process was incredibly fast and convenient—I was able to activate it within minutes without needing to visit a store or insert a physical SIM card. The connection speed was excellent. I had strong and stable 5G coverage almost everywhere, including busy city areas, public transportation, shopping malls, and tourist attractions. I also appreciated how convenient and hassle-free it was. There was no need to worry about swapping SIM cards or carrying extra accessories. Networks such as SmarTone provide very reliable service, which made the experience even better. Overall, the 5G eSIM made my trip much easier and more enjoyable. It provided fast speeds, reliable coverage, and great convenience. I highly recommend getting a 5G eSIM for anyone visiting Hong Kong.






lei *****
Review for: Data per day · 4 days · Unlimited · Data only Book now
Using an eSIM from Klook in Hong Kong was convenient and hassle-free, as it allowed instant activation, reliable internet connection, and seamless navigation without needing to buy or insert a physical SIM card.






Aien *******
Review for: Data per day · 4 days · Unlimited · Data only Book now
“Second time in Hong Kong and it still feels exciting 🇭🇰✨ From the fast-paced city կյանք to the amazing food and views, every visit gives a new experience. Grateful for another chance to explore and make memories!






RezandroAce ********
Review for: Data per day · 5 days · Unlimited · Data only Book now
wow! this service helped me to always be connected while I was in HK! I had the best time and with this esim, navigating Hong Kong was such a breeze! Sharing some highlights of my recent trip! will use the service again once I come back by hopefully next year.






Juliet **
Review for: Data per day · 4 days · Unlimited · Data only Book now
ever since inswitched to an e-sim compatible phone, I’ve always used it whenever I travel to another country. it’s been my nth time using this klook e-sim and I can attest that it is very reliable! no downtime. ‘til the next!







Chin ***
Review for: Data in total · 7 days · 5GB · Data only Book now
Changing to an esim phone is the best decision I made. I travel nearly every quarter, and the best option is to get an eSIM on Klook. The entire procedure went very smoothly. The activation instructions were clear, and I was able to set it up on my phone within minute. The connection has been dependable, offering fast data speeds, strong coverage, and most importantly, affordability. I also appreciated the flexibility of being able to switch plans instantly without swapping SIM cards. Overall, it’s a convenient and hassle-free option, especially for travel or anyone who wants quick access to mobile service.