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Special Notice:
Due to system upgrade, the self-service subscribe function and activation for iPad, Apple Watch and Android Watch eSIM will be temporarily suspended between 2:30am and 4am on Tuesday 23 April 2024. Service will resume approximately after 4am on the same day. We apologize for any inconvenience caused. For enquiries, please WhatsApp http://wa.me/85266532123.
What is an eSIM? Whay an eSIM? eSIM installation steps for Samsung Galaxy Z Flip eSIM installation steps for Samsung Galaxy Z Flip eSIM installation steps for Microsoft Surface Pro X eSIM installation steps for Microsoft Surface Pro X eSIM installation steps for iPhone SE (2nd generation or later model)
When customer starts the Other Wearables Service eSIM subscription process via the csl app, the system will check whether the customer has completed Real-name Registration. If not completed, the system will send the customer a text message. By clicking on the SMS link, customer can submit his/her identity documents to complete Real-name Registration, upon successful Real-name Registration, he/she can subscribe Other Wearables Service eSIM immediately. If personal info needs updating before submitting Real-name Registration, review results will be sent by SMS or email within 3 working days. Please note you need to enter a one-time password to verify your identity as part of the self-subscription flow. For any enquiries, simply call our 24-hour Customer Service Hotline on 2512 3123.

eSIM supporting models
       
  iPhone Android mobile  
  iPhone XS Samsung Z Flip  
  iPhone SE (2nd generation or later model) Samsung Galaxy Tab S9|Tab S9+|Tab S9 Ultra  
  iPhone 12 mini (HK version) Samsung Galaxy Tab S9 FE+|Tab S9 FE  
  iPhone 13 mini (HK version) Huawei P40  
    Huawei P40 Pro  
    Huawei Mate 40 Pro 5G  
    MOTOROLA RAZR 5G  
  iPad MOTOROLA Edge 40  
  iPad Pro 12.9-inch (3rd generation or later model) HONOR Magic 4 Pro  
  iPad Pro 11-inch (1st generation or later model) HONOR Magic 5 Pro  
  iPad Air (3rd generation or later model) HONOR Vs 5G  
  iPad (7th generation or later model) HONOR 90 5G  
  iPad mini (5th generation or later model) HONOR Magic V2  
  Click here to learn how to activate iPad eSIM VIVO X100 Pro  
    VIVO X90 Pro 5G  
    Xiaomi 13 Pro  
    Xiaomi 13  
    Xiaomi 13T Pro  
  Apple Watch Xiaomi 13T  
  Apple Watch (GPS + Cellular) (Series 3 or later model) Redmi Note 13 Pro+ 5G   
  Apple Watch SE (GPS + Cellular) (1st generation or later model) Redmi Note 13 Pro 5G   
  Apple Watch Ultra (GPS + Cellular) (1st generation or later model) OPPO Find N3 Flip   
  Click here to learn how to activate Apple Watch eSIM OPPO Find N3  
    OPPO Find N2 Flip 5G  
    OPPO Find N2 Flip 5G  
    OnePlus 11 5G  
       
  Windows Device Compatible Android Wearable Device  
  Microsoft Surface Pro X Galaxy Watch (LTE)  
  Microsoft Surface Go 2 LTE Galaxy Watch Active2 (LTE)  
  Microsoft Surface Go 3 Intel® Core i3 128 LTE Huawei Watch 2 (eSim)  
  Microsoft Surface Pro 9 5G Huawei Watch 3  
    Huawei Watch 3 Pro  
    Huawei Watch 4  
    Huawei Watch 4 Pro  
    Xiaomi Watch 2 Pro  
    Samsung Galaxy Watch3 45mm (LTE)  
    Samsung Galaxy Watch4 Classic 46mm (LTE)  
    Samsung Galaxy Watch4 44mm (LTE)  
    Samsung Galaxy Watch5 40mm/44mm (LTE)  
    Samsung Galaxy Watch5 Pro 45mm (LTE)  
    Samsung Galaxy Watch6 Classic 43mm/47mm (LTE)  
    Samsung Galaxy Watch6 40mm/44mm (LTE)  
       
       
 

* As of Feb 2024 in Hong Kong
   
FAQ FAQ
More enquiries at csl shop
Other Wearables One Number Service (the Service) Terms & Conditions
To use the Service you must have an eligible csl / 1O1O mobile service plan (“Service Plan”), a compatible “Device”, and a compatible Android 5.0 or newer mobile phone with 1.5GB RAM or above and iPhone which is iPhone 5 with iOS 9.0 or newer.
Data usage of the Service will be deducted from the Service Plan of your Service Plan.
You can make or receive calls from the Device using the mobile number of your Service Plan.
You can only use the Service with one Device at a time. If you want to connect to another Device, you can connect your Device to the Service via “1O1O” / “csl” app on your mobile phone. Alternatively, you can purchase an additional Service to use with the new Device on your mobile phone.
You can purchase up to a maximum of one Service under the same mobile number.
The Service does not support international roaming.
If you terminate the Service Plan of your mobile phone, you are required to terminate the Service of your Device by calling our customer service.
The Service is subject to the Mobile Service Agreement of CSL Mobile Limited, please visit www.hkcsl.com/en/mobile-service-agreement-consumer-customers/.
If there is any inconsistency between the Chinese and English versions of these terms and conditions, the English version shall prevail.


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