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ST WiFi Calling

Service Service Fee*
SuperCare Smartphone Plans ExtraCare Smartphone Plan
ST WiFi Calling Free HK$8 / day^

ST WiFi Calling is available to customers of SuperCare Smartphone Plans, ExtraCare Smartphone Plan and other designated service plans.


Download, usage and content update of this service will incur data (including local and roaming) which will be deducted from relevant subscribed service plans or charged at the applicable thereafter fee. For customers without a data plan, standard data charges will apply.


Day charge is applicable to customers of ExtraCare Smartphone Plan and other designated service plans. A day is defined as 00:00-23:59 Hong Kong time.

The use of WiFi may incur charges levied by third party WiFi service providers.

Outgoing calls to non-Hong Kong phone numbers will incur applicable IDD charges.

Terms and Conditions for this Service

  • This service can be used on designated smartphones running Android 4.0 or above and iOS 7.0 or above.
  • Subject to relevant terms and conditions. Please refer to T&C-V058 for details.