Hong Kong eSIM — Travel Data Plan
Hong Kong Island, Kowloon and the airport express, online throughout.
| Plan | Validity | Price |
|---|---|---|
| 1GB | 7 days | $3.90 |
| 3GB | 30 days | $5.90 |
| 5GB | 30 days | $8.90 |
| 10GB | 30 days | $12.90 |
| 20GB | 30 days | $19.90 |
Which plan?
- 1GB / 7 days: a short stay, maps and messaging
- 3GB / 30 days: light use (maps, messaging, email)
- 5GB / 30 days: a typical trip, maps, ride-share, some video
- 10GB / 30 days: frequent video, social media, hotspot
- 20GB / 30 days: long stays, remote work, heavy hotspot use
- Networks: csl 5G, SmarTone 5G
- 4G/LTE and 5G where the local network supports it
- Hotspot and tethering supported
- Validity starts on first connection in Hong Kong, not at purchase
- Data only — no phone number, no calls, no SMS
- Install now, travel later — usable for 180 days after purchase
Requires an eSIM-compatible, carrier-unlocked device. Check the Device Compatibility page before buying, and see the Fair Usage Policy for how the allowance is measured.
Delivered in minutes
QR code by email, right after payment
180-day refund
Full refund if you never install it
Keep your number
Your own SIM stays in the phone
Data only
No calls or SMS — apps work as usual
Hong Kong travel data eSIM
What is a Hong Kong eSIM?
An eSIM for Hong Kong lets travelers stay connected while exploring the bustling city‑state, from the skyscrapers of Hong Kong Island to the vibrant streets of Kowloon. After installing the eSIM before departure, you can use data‑only plans without swapping physical cards, keeping your home SIM active for calls. It works with any unlocked phone that supports eSIM, giving you the freedom to browse, map routes, and book services as you move through this compact yet densely packed destination.
In Hong Kong the eSIM connects to CSL's 5G network, allowing you to use the data bundles you purchased. Your plan’s validity runs from the first connection made in Hong Kong, and you can enjoy data for the chosen period, whether you need a short‑term 1 GB boost or a larger 20 GB allowance for extended stays.
Local networks
Which networks you connect to in Hong Kong
When you arrive, the eSIM connects to csl 5G, SmarTone 5G. Coverage and speed depend on your exact location and the operator available there.
5 plans are available for Hong Kong, from $3.90 up to $19.90. Every plan is data only, delivered by QR code, and starts counting when you connect on arrival.
Hong Kong IslandKowloonMong KokTsim Sha TsuiOne plan for all of Hong Kong, starting on first connection.
Good to know
Staying connected in Hong Kong: practical tips
Four simple steps to use CometSIM
From checking your phone to landing online — the whole thing takes about two minutes, and you do most of it before you fly.
Compatibility
Make sure your phone works with eSIM. It takes ten seconds — just dial a code and check.
Check compatibilityDestination
Choose your country and the data plan that fits your trip. Prices are in USD, no surprises.
See all destinationsInstall your eSIM
Scan the QR code we email you. Install it at home on Wi-Fi — ready in a couple of minutes.
Setup guideLand & connect
Switch it on when you arrive. Your data starts on arrival, and your own number stays exactly where it is.
You’re onlineAdd CometSIM VPN to your trip
Stay safe on hotel and airport Wi-Fi and reach home content. Your eSIM carries the data, the VPN protects it.
Questions people actually ask
If yours is not here, write to us — we answer within 24 hours.
Which operator does the Hong Kong eSIM use and what does that mean for a traveller?
The eSIM uses CSL's 5G network. For travellers this provides access to the operator’s mobile data services throughout Hong Kong, subject to CSL’s network availability in each area.
Does the eSIM also work in a real neighbouring country of Hong Kong?
No, this is a single‑country plan valid only within Hong Kong. Regional plans are available for travelers who need connectivity in multiple nearby countries.
Which plan size suits a trip to Hong Kong Island and Kowloon?
As a rough guide, a 5 GB or 10 GB plan often covers a short stay visiting both Hong Kong Island and Kowloon, depending on your data usage habits.
Will I lose my own phone number?
No. Your physical SIM stays in the phone and keeps your number for calls and WhatsApp. The eSIM only carries data, so both work side by side.
When does my plan start counting down?
When the eSIM first connects to a network at your destination — not when you buy it. So you can install it days before you fly without losing any time.
Is my phone compatible?
Most phones from 2018 onwards are: iPhone XS and later, Google Pixel 3 and later, Samsung Galaxy S20 and later. Your phone also has to be carrier-unlocked. Dial *#06# — if an EID appears, you have eSIM. Full list on our Device Compatibility page.
How fast will I get my QR code?
Usually within a couple of minutes of payment, by email. If it has not arrived, check spam first, then write to us and we will resend it immediately.
Can I use hotspot or tethering?
Yes, on every plan we sell. Share the connection with a laptop, a tablet or the rest of your group.
What if I change my mind?
If you have not installed the eSIM, you get a full refund within 180 days. Once a profile is activated and data has been used it cannot be refunded — the allowance is consumed from the network. Full detail in our Refund Policy.
Do you sell plans for groups?
Yes. For Umrah and Hajj groups, student trips and tour operators we deliver the QR codes as a single batch before departure, at group rates. Email us with your group size and destination.