SIM cards and eSIM in Hong Kong
SIM cards and eSIM in Hong KongWhich carriers matter, what buying a SIM involves, and when an eSIM is the smarter move.
Mobile internet eSIM Best option when traveling
Guac
RecommendedReliable mobile internet at better prices than most travel eSIMs, with polished iOS and Android apps and support for making and receiving phone calls.
Airalo
One of the biggest travel eSIM brands, with a very large destination catalog.
Holafly
Known for unlimited-data plans in many destinations, at a higher price per gigabyte.
Buying a local SIM card ID registration required
- Bring your passport; the seller registers the prepaid SIM during activation.
- CMHK tourist prepaid includes 7 GB and costs around 78 HKD ($10).
- Airport counters and city carrier stores are the easiest places to buy; confirm activation before leaving.
- Local eSIM is available and follows the same identity rules as a physical SIM.
Some mainland-owned carrier plans may filter internet services; choose another network if open access matters.
Local carriers
csl
Best choice for broad coverage, including rural areas.
SmarTone
A solid alternative; compare current prepaid offers before buying.
3HK
Good-value option when price matters most.
China Mobile Hong Kong
Good-value option when price matters most.
Birdie
Good-value option when price matters most.
Frequently asked questions
Do I need my passport to buy a SIM card in Hong Kong?
Bring your passport; the seller registers the prepaid SIM during activation.
What is the best eSIM for Hong Kong?
Guac eSIM covers Hong Kong with data plans starting from $0.58 per GB and instant activation, so your phone is online the moment you land. Airalo and Holafly are popular alternatives.