Using a Galaxy S23 in Hong Kong: eSIM Setup & Internet Guide
ππ° Galaxy S23 works in Hong Kong
- β Fully compatible with HKT (PCCW), CSL, SmarTone, China Mobile HK, 3 HK
- β eSIM installs in 2 minutes β no SIM swap needed
- β US carrier models may be locked β confirm before traveling
- β Supports 2 active eSIMs β keep your home SIM active
Recommended eSIM Plans for Hong Kong
See all plans β1.0GB / 7 Days
Hkmobile
1 GB Β· 7 days
2.0GB / 15 Days
Hkmobile
2 GB Β· 15 days
3.0GB / 30 Days
Hkmobile
3 GB Β· 30 days
5.0GB / 30 Days
Hkmobile
5 GB Β· 30 days
Prices shown for Free tier. Pro members save 7%, Premium save 12%.
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Galaxy S23 compatibility in Hong Kong
Network band compatibility
Galaxy S23 supports LTE B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B20, B25, B26, B28, B38, B40, B41, B66. Snapdragon 8 Gen 2 modem. Strong global band coverage including B19 for Japan and B20 for Europe.
SIM configuration
Galaxy S23 supports nano-SIM + eSIM. US carrier variants may be locked β check before traveling or buy unlocked. Use Settings β Connections β SIM Manager to add an eSIM, not the regular Connections menu. Samsung's eSIM UI is different from stock Android.
Active eSIMs
2
Stored profiles
Up to 10
Physical SIM
Yes
Carrier lock risk
Check first
How to install your Hong Kong eSIM on Galaxy S23
Complete these steps at home over Wi-Fi before your flight. Takes 2β3 minutes.
- 1
Open Settings β Connections β SIM Manager β Add eSIM
- 2
Select "Scan QR code from service provider"
- 3
Scan the QR code from your LTE.app order confirmation
- 4
Follow the on-screen prompts to complete installation
- 5
Set as your data SIM when you arrive at your destination
- 6
After landing in Hong Kong, go to Settings and switch on your LTE.app eSIM line. Your phone connects to HKT (PCCW), CSL, SmarTone, China Mobile HK, 3 HK automatically.
What happens when you land in Hong Kong
- 1
Install your eSIM on Galaxy S23 before your trip
Scan the QR code from your LTE.app order at home over Wi-Fi. Takes 2β3 minutes. Your home SIM stays active and untouched throughout.
- 2
Land at Hong Kong International Airport
After your flight, disable Airplane Mode. Open Settings β Connections β SIM Manager and enable your LTE.app eSIM line.
- 3
Connect to HKT (PCCW), CSL, SmarTone, China Mobile HK, 3 HK
Your Galaxy S23 automatically connects to Hong Kong's LTE network. Hong Kong has virtually 100% LTE coverage across Hong Kong Island, Kowloon, and the New Territories. Even on the MTR (subway), coverage is maintained underground. The Outlying Islands have good coverage in populated areas.
- 4
Maps, messaging, and apps work immediately
Navigation, translation, ride-hailing, and messaging apps all work the moment you exit the arrivals hall β no queuing, no SIM swap.
Roaming vs eSIM in Hong Kong: cost comparison
Roaming your home carrier in Hong Kong costs significantly more than a local eSIM.
Hong Kong roaming is expensive from US and EU carriers. Local connectivity costs are very low β roaming is one of the worst value options in Asia.
7-Eleven HKG tourist SIM cards cost HKD 30β80 ($4β10) for unlimited data. US carrier day passes cost $10β15 β 1.5β4Γ more expensive for a single day versus a 7-day local card. An LTE.app Hong Kong eSIM is competitive in price with 7-Eleven SIMs and activates before landing.
LTE coverage in Hong Kong for Galaxy S23 users
Hong Kong uses LTE bands 1, 3, 7, and 28. CSL, HKT, SmarTone, China Mobile HK, and 3 HK provide fiercely competitive LTE and 5G coverage.
Hong Kong has virtually 100% LTE coverage across Hong Kong Island, Kowloon, and the New Territories. Even on the MTR (subway), coverage is maintained underground. The Outlying Islands have good coverage in populated areas.
Frequently asked questions β Galaxy S23 in Hong Kong
Is the Galaxy S23 compatible with Hong Kong's mobile network?
Yes. Galaxy S23 supports LTE B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B20, B25, B26, B28, B38, B40, B41, B66. Snapdragon 8 Gen 2 modem. Strong global band coverage including B19 for Japan and B20 for Europe. Hong Kong uses LTE Hong Kong uses LTE bands 1, 3, 7 β all supported by the Galaxy S23.
Can I keep my home SIM active while using a Hong Kong eSIM on my Galaxy S23?
Yes. The Galaxy S23 supports 2 active eSIMs simultaneously. You can keep your home SIM active for calls and SMS while your LTE.app Hong Kong eSIM handles data. Set Hong Kong eSIM as your data SIM in Settings.
Is my Galaxy S23 carrier-locked? Will it work in Hong Kong?
Galaxy S23 supports nano-SIM + eSIM. US carrier variants may be locked β check before traveling or buy unlocked. Use Settings β Connections β SIM Manager to add an eSIM, not the regular Connections menu. Samsung's eSIM UI is different from stock Android. To use an eSIM in Hong Kong, your device must be unlocked. Contact your carrier or check Settings β if you can add an eSIM from another provider, it is unlocked.
When should I install the Hong Kong eSIM on my Galaxy S23?
Install it at home over Wi-Fi before your flight. The process takes 2β3 minutes using the QR code from your LTE.app order. Hong Kong requires the eSIM to be installed before arrival in some cases β never wait until you land. Hong Kong International Airport has free Wi-Fi if you forget, but pre-install is strongly recommended.
How many eSIM profiles can I store on my Galaxy S23?
The Galaxy S23 can store up to 10 eSIM profiles, with 2 active at once. You can buy and install eSIMs for multiple countries in advance and switch between them without deleting old ones.
Other devices in Hong Kong
More Hong Kong resources
Ready to use a Galaxy S23 in Hong Kong?
Install your eSIM before your flight. Works the moment you land at Hong Kong International Airport.
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