Number Share (eSIM) Service
Number Share (eSIM) Service
【Service fee for this service is HKD18 per month】
System requirements
  • Apple Watch Series 3 (GPS+Cellular) or later + Cellular
  • Apple Watch OS 9.0 or later
  • iOS 16.1 or later
    • To check or download the latest software version on your iPhone, go to Settings → General → Software Update.
  • iPhone 8 or later
  • Both iPhone and Apple Watch are using SUN Mobile cellular plan

Activate Number Share (eSIM) Service
  • Apple Watch Series 3 (GPS+Cellular) or later + Cellular has an eSIM (embedded SIM) in it so there’s no need to get a SIM card or transfer the SIM from another device.
  • When you pair your Apple Watch to your iPhone, you will be prompted to set up cellular service and guided through a few simple steps.
  • Be sure to have your SUN Mobile login ID and password on hand.
  • If you don’t see a plan during set up, contact us and we can help you find one that works for you.
  • If you choose not to set up cellular service during the initial Apple Watch set up process, you can always go back later to the Apple Watch app on your iPhone and select Cellular under My Watch to sign up.
 
 
(1) Open ‘Watch’ app on your iPhone; Tap ‘My Watch’ from bottom left of ‘Watch’ App; Tap “Mobile Data”
(2) Tap ‘Set Up Mobile Data’
(3) Tap ‘Start’
(4) Enter your SUN Mobile login password, tap ‘Login’
(5) Select‘Number Share (eSIM) Service@$18/month’ Read and accept the ‘Terms & Conditions’; Tap ‘Submit’
(6) Wait for the ‘Activation done’ message; Tap 'OK' when finish
(7) Return to the ‘Watch’ App, If you see 1O1O / csl icon appears under ‘Mobile Data’ then your Apple Watch is successfully connected.
 
 
 
Remarks
1.Even though your SUN Mobile Service plan may support roaming. Roaming service is not available for Apple Watch Series 3 (GPS+Cellular) or later + Cellular. However, you will continue to be connected when your Apple Watch is in proximity of your iPhone or connected to Wi-Fi.
2.Learn more about Apple Watch at www.apple.com/watch. Visit www.apple.com/support/watch for additional support.
  • FAQ
    Q1:What are the hardware and software requirements for pairing an Apple Watch?
    Apple Watch Series 3 (GPS+Cellular) or later + Cellular
    iPhone 8 or later running IOS 16.1 or later
    SUN Mobile cellular plan.
     
    Q2:How to activate cellular service on Apple Watch Series 3 (GPS+Cellular) or later + Cellular?
    Good news - your iPhone and Apple Watch Series 3 (GPS+Cellular) or later + Cellular will share the same phone number. So you won’t have to get or remember another phone number.
    Apple Watch Series 3 (GPS+Cellular) or later + Cellular has an eSIM (embedded SIM) in it so there’s no need to get a SIM card or transfer the SIM from another device.
    When you pair your Apple Watch to your iPhone, you will be prompted to set up cellular service and guided through a few simple steps.
    Be sure to have your username/ID and password/code on hand.
    If you don’t see a plan during set up, contact us and we can help you find one that works for you.
    If you choose not to set up cellular service during the initial Apple Watch set up process, you can always go back later to the Apple Watch app on your iPhone and select Cellular under My Watch to sign up.
     
    Q3:Which SUN Mobile tariff plans are eligible to activate cellular service on Apple Watch Series 3 (GPS+Cellular) or later + Cellular?
    All SUN Mobile postpaid data service plans are eligible to add the watch.
     
    Q4:What are the Apple plan details with an Apple Watch addition?
    Connect Apple Watch with Number Share (eSIM) Service, requires a HKD18 monthly service charge. Without an eSIM connection, Apple Watch will function as a companion device with your phone.
     
    Q5:What happens with the Apple Watch when you're roaming?
    Roaming outside Sun Mobile network coverage area is not available for Apple Watch Series 4 or Apple Watch Series 3 even though your iPhone/SUN Mobile tariff plan may support roaming. However, you will continue to be connected when your Apple Watch is in proximity of your iPhone or connected to Wi-Fi.
     
    Q6:How to activate Apple Watch Series 3 (GPS+Cellular) or later + Cellular?
    First, check if your SUN Mobile service plan is eligible for the Apple Watch Series 3 (GPS+Cellular) or later + Cellular service.
    If your plan is eligible, then from your iPhone:
    Open ‘Watch’ app and pair your Apple Watch first
    Tap ‘My Watch’ from bottom left of ‘Watch’ app
    Tap ‘Mobile Data’
    Tap ‘Add New Plan’
    Then, follow the steps to activate the service. For more details, please click here.
     
    Q7:If I purchased the Apple Watch (GPS + Cellular) from Japan or other countries, please advise if we can use LTE service?
    There are different Model numbers with different hardware specifications for Apple Watch Series 3 (GPS+Cellular) or later + Cellular. For details, please click here. Some models cannot be used with Apple Watch Cellular Service in SUN Mobile. Even some models may work, the service experience may not be as expected.
     
    Q8:How many Apple Watch Series 3 (GPS+Cellular) or later + Cellular can be connected under one SUN Mobile service number?
    One SUN Mobile service number can support the connection to up to 4 Apple Watch Series 3 (GPS+Cellular) or later + Cellular devices.
     
    Q9:What is eSIM, EID?
    An eSIM is an embedded SIM. This means you don’t need to insert a physical SIM into the Watch. EID stands for equipment ID of the eSIM. It is a 32-digit numeric code printed on the box of your Apple Watch. You can also find it from opening Watch App, tap General>About>EID.
     
    Q10:If turning off my iPhone, can my Apple Watch Series 3 (GPS+Cellular) or later + Cellular still be connected to Apple Watch cellular service (LTE network)?
    Yes. eSIM has been downloaded to your Apple Watch.
     
    Q11:Can I use eSIM plan from other carrier and mobile plan from SUN Mobile?
    No. Your iPhone SIM and Apple Watch eSIM must be from the same network and brand.
     
    Q12:When I try to activate my Apple Watch as instructed, the following appears in My Watch App, “Your SUN Mobile account is not eligible to enable mobile data on your Apple Watch. Contact SUN Mobile for more information?
    This indicates you do not have an eligible iPhone plan, please contact us for service upgrade.
     
    Q13:What does “Remove SUN Mobile Plan”mean when I click on next to SUN Mobile Data Plan?
    The remove plan description is misleading. What it really means is “remove the eSIM profile” from the Watch, it does not means your Number Share (eSIM) Service would be terminated. If you do this accidentally, you will need to download the eSIM profile again. Currently, we do not charge for eSIM download. For Number Share (eSIM) Service termination, please contract our customer service representative at 81183131.
     
    Q14:How do I go about replacing my Apple Watch Series 3 Cellular with a new one?
    The first step is unpair the old Watch with your iPhone and then pair your new Watch to your iPhone. Open Watch app, tap General > Mobile Data > Add New Plan. Login and select “Use Existing Plan” when prompt to select “Buy New Plan” or “Use Existing Plan”.
     
    Q15:What should I do when I see the Activating spinning in Watch app?
    It means service activation is in progress. Please wait as activation system may be busy as times. If activation status remains in activating state for over one hour, please try the following
    1. Remove the SIM from your iPhone
    2. Power off your iPhone and power it back on
    3. Reinsert it back in
    If the status remains as ‘Activating’, please contact us.
     
    Q16:Available App work with Apple Watch Series 3 (GPS + Cellular)?
    You can always find the available app by browsing Apple Watch App Store from the Apple Watch app in iPhone.
     
    Q17:If I have changed my service number, anything do I need to follow up for the eSIM service?
    If your service number has been changed, please contact us at 81183131 for eSIM service termination. You have to download another new eSIM with your new service number for use.
  • Apple Watch Series 3 (GPS+Cellular) or later + Cellular (“Device”) Number Share (eSIM) Service (“Service”) Terms and Conditions
    1. To use the Service you must have an eligible SUN Mobile service plan (“Service Plan”), a Device, and a compatible iPhone which is iPhone 8 or later, with IOS 16.1 or later.
    2. Data usage of the Service will be deducted from the Service Plan of your iPhone.
    3. You can make or receive calls from the Device using the mobile number of your iPhone.
    4. 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 “Watch” app on your iPhone. Alternatively, you can purchase an additional Service to use with the new Device on your iPhone.
    5. You can purchase up to a maximum of four (4) Services under the same mobile number.
    6. The Service does not support international roaming.
    7. If you terminate the Service Plan of your iPhone, you are required to terminate the Service of your Device by calling our customer service.
    8. The Service is subject to the Mobile Service Agreement of Sun Mobile Limited, please visit.
    9. If there is any inconsistency between the Chinese and English versions of these terms and conditions, the English version shall prevail.