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Be Mindful When You Use Data Roaming Services

• When a data roaming day-pass is chosen, be mindful of the service activation procedures, check the definition of “a day” for calculation of data roaming charges, whether additional charges are levied on certain services, whether day-pass may only be applicable to designated destinations and networks and beware of “network switching”.
• Be aware of any notification sent from the operator (such as SMS message) after arrival at the destination as a confirmation of the activation of roaming services.
• Consider renting a portable Wi-Fi router or purchasing a prepaid mobile data SIM card that can be used at the destination.
• If dual-SIM handset is used, make sure that the SIM card for overseas use is put in the correct card slot and the handset setting is configured correctly.

Avoid Using Data Roaming Inadvertently

• In areas near the boundary, your mobile device may be automatically connected to the mobile networks of the Mainland with roaming charges incurred.
• When you are onboard of an airplane or a ship far away from Hong Kong, accessing the Internet through mobile network may result in the use of roaming services with charges accordingly.
• To prevent inadvertent use of data roaming services, you may:
  • switch off the data roaming and mobile data functions of your mobile device
  • check with your operator whether the data roaming service can be switched off or deactivated

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