5G eSIM Hong Kong | CSL

4.7
(9K+ reviews)
400K+ 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
Offers for you
5 off
5 off attractions

Package options

Select options

Data package

Unlimited

1GB

3GB

5GB

10GB

50GB

20GB

500MB

Service type

Data only

Package type

Data per day

Data in total

SIM card validity

26 days

5 days

25 days

16 days

4 days

8 days

12 days

30 days

7 days

18 days

6 days

17 days

14 days

24 days

19 days

11 days

9 days

15 days

2 days

29 days

10 days

13 days

28 days

20 days

21 days

23 days

1 day

22 days

27 days

3 days

Product details

Validity 1-30 days

Internet speed 5G/4G LTE

Service type Data only

Coverage area All of Hong Kong

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

Hotspot Sharing Yes

Local telecom operator CSL 5G

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 cities like Hong Kong — no need to visit a SIM card store or worry about roaming fees.

How to Get Your Hong Kong 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 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

  • 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

4.7/5
Based on 9K+ reviews

Joan **********

4 days ago
Highly recommended

Review for: Data in total · 7 days · 5GB · Data only Book now

easy installation and set up! perfect for 24/7 connection when in HK. no need to worry about wifi availability. codes were sent in an instant via email. esim procedure is also clear and easy!! thank you klook! easy installation and set up! perfect for 24/7 connection when in HK. no need to worry about wifi availability. codes were sent in an instant via email. esim procedure is also clear and easy!! thank you klook!easy installation and set up! perfect for 24/7 connection when in HK. no need to worry about wifi availability. codes were sent in an instant via email. esim procedure is also clear and easy!! thank you klook

Helpful

Chin ***

23 Apr
Highly recommended

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.

Helpful

Janice ******

12 Mar
Highly recommended

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!

Helpful

gerald **********

18 Feb
Highly recommended

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.

Helpful

Aubrey *****

14 Feb
Highly recommended

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 *****

13 Feb
Highly recommended

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.

Helpful

Aien *******

2 Feb
Highly recommended

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!

Helpful

RezandroAce ********

28 Jan
Highly recommended

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.

Helpful