4G Mainland China 1-day Data Prepaid SIM Card
4G Mainland China 1-day Data Prepaid SIM Card
4G Mainland China 1-day Data Prepaid SIM Card
  • Applicable to 4G network in Mainland China+
  • 1-day 4G mobile data can be consumed in either Mainland China*or Hong Kong


+Handsets supporting TDD-LTE 4G network are required, for example, iPhone 6 or above, Samsung Galaxy Note 5, Samsung Galaxy A9, LG G5,etc.
*Not applicable to Macau & Taiwan

Effective from 12 September 2019 to 30 June 2020, full speed data usage will be doubled upon activation of Mobile Duck Mainland China 1-day data prepaid SIM card (upgrade to data access speed will be maintained at not higher that 128Kbps after 2GB)


Starter Pack
Face Value Suggested Retail Price Validity Period
$48 $48 1 Day2
  1. 1-day 4G mobile data usage will be effective upon SIM activation. $48 stored value will be deducted accordingly.
  2. Subject to the expiry date as printed on the SIM Cardholder, mobile data service is valid from the next day upon activation to the 1st day 23:59 (Hong Kong time).
  3. Only mobile data service is supported, neither voice, SMS nor value-added services.
  4. Mobile data service is only accessible in Mainland China and Hong Kong, but not in other areas.
  5. All mobile data usage consumed via designated operators (Mainland China : CMCC; Hong Kong : CMHK) during the service period (starting from the next day upon activation to the 1st day Hong Kong time 23:59) will be deducted from this Card. When data usage reached 1GB in Hong Kong or Mainland China, thereafter data access speed will be maintained at maximum 128Kbps, data services are not applicable for usage on peer-to-peer (P2P) applications(incl. Bit-Torrent) and device has a screen size greater than 7 inches.
  6. When customer is located out of 4G coverage in HK or designated country/region, CMHK/designated operators will provide service via 3G/2G network. Provision of 4G network service is subjected to applicable 4G device used by customer.
  7. Actual data transmission speed may vary due to many factors, including but not limited to network provider, network usage, handset model, setting (including handset hardware and software), upload/download content and other external factors.

***If Mobile Duck Prepaid Card cannot activate normally, please contact or replace directly with dealer by bringing along with the packing & prepaid SIM card.

Distribution Channels

Prepaid SIM Card is available at dealer shops.

For details locations, please contact our 24-hour Customer Care Hotline 2211 7188

Handset Setting (Mobile Data)

Please click here and refer to the related handset APN setting for mobile data service.

Terms & Conditions
  • The use of the individual service shall be subject to such terms and conditions as stated on the relevant service leaflet or on CMHK relevant web page.
  • The SIM Card is non-refundable and non-returnable.
  • The SIM Card should be activated before the stipulated expiry date, otherwise it will be invalid automatically.
  • Where a SIM Card has expired, or where service has been suspended for more than 30 days due to whatever reasons, or where service has been terminated due to whatever reasons, the remaining stored value (if any) shall be non-refundable and non-transferable.
  • The SIM Card shall be valid for 1 day starting from the next day upon activation date, subject to the activation taking place within the stipulated validity period.
  • CMHK will not be liable for any damages, however arising, of the SIM Card or responsible for repairing and making good therefor.
  • The mobile number is assigned randomly and Customer cannot return, choose or request to change to other mobile numbers. Customer will not be able to keep the allocated mobile number once the SIM Card has expired, or where its service has been suspended for more than 30 days due to whatever reasons or where its service has been terminated due to whatever reasons.
  • Calculation of data usage duration and volume is based on the network report of CMHK. In case of dispute, the records of CMHK are conclusive and binding. All calculations are subject to such prevailing rates or tariff as imposed by CMHK from time to time.
  • CMHK is entitled at their full discretion to temporarily suspend any or all of the Services without notice to the Customer for the purpose of preventing any improper or abnormal use of CMHK's network or resources, fraudulent or deceptive acts until CMHK is satisfied that the Customer has ceased such acts or the relevant investigation has been completed. CMHK may assess abnormal usage based on comparisons to the usage patterns and levels of CMHK’s other customers, and/or based on whether such usage level is considered to have affected our other customers' ability to optimally use the same network or service.
  • CMHK reserves its absolute right to change the terms and conditions relating to the use of the SIM Card including but not limited to the data usage rate at any time without prior notice to or consent from the Customer.
  • The above information and rates are subject to change without prior notice.
  • Any change or amendment will be published on CMHK Website.
  • For the details of the Terms and Conditions, please refer to http://www.hk.chinamobile.com/en/corporate_information/Customer_Service/contract_terms_conditions/customer-support-t-n-c.html.
User Guide

Click here to view the details of user guide.